Технические науки в целом [J-Z]

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Категория: - Техника. Технические науки - Технические науки в целом

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Jatropha Biodiesel in Diesel EngineJatropha Biodiesel in Diesel Engine

Автор: Vivekananand Navadagi

IT'S TAKEN ME 2 YEARS TO DO THIS WORK. GIVE ME 30 SECONDS TO PERSUADE YOU TO READ IT. Biodiesel has become a key source as substitution fuel and is making its place as a key future renewable energy source. Biodiesel derived from vegetable oils are quite promising alternative fuels for diesel engines.In this I am going to explain the applications of the Jatropha Biodiesel in future for the replacement of the Diesel because it may no more after some years. So, for this purpose we should go for alternative fuels and i done that work by using Jatropha Biodiesel in direct injection diesel engine and done the testing related to performance and combustion related works in diesel engine.

Цена: 4550 руб.
Страницы: 52
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659534881

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JATROPHA OIL FOR DIESEL ENGINE APPLICATIONJATROPHA OIL FOR DIESEL ENGINE APPLICATION

Автор: Vijittra Chalatlon

This study examined suitable areas for growing Jatropha plants and focused on the improvement of Jatropha oil as an alternative fuel for diesel engine. To examine land suitability for Jatropha cultivation, this study examined case studies in Suphanburi province, Thailand by classifying land use from landsat-5 TM. Then, GIS based spatial multiple criteria decision-making analysis was used to identify suitable land for Jatropha cultivation. Analytical Hierarchical Processing (AHP) was used to weight multi-factor priority model for land suitability for Jatropha cultivation. The results were obtained that the marginally suitable area for Jatropha cultivation in Suphanburi is 3,569.02 sq.km and 1,577.70 sq.km. and 211.29 sq.km. for highly suitable and moderately suitabille area respectively. The results found that viscosity of 5- 10% of Jatropha blends can be acceptable according to the ASTM standard. For using Jatropha oil (pure), the fuel should be heat more than 100...

Цена: 7281 руб.
Страницы: 124
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783844303346

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Jet CompressorJet Compressor

Автор: Ahsan Mustaqeem Syed

The Jet Compressor is a special type of compression machinery that utilizes the high pressure motive gas to compress the low pressure gas. Less operational expenditures owing to stationary parts and operability for virtually any type of fluid, make Jet Compressor ideal for use in Process, Refrigeration and Exploration industry. The design of Jet Compressor involves extensive practical implementation of Engineering Principles, particularly related to Thermodynamics, Fluid Mechanics and Gas Dynamics. This book provides detailed insight in to the Design, Analysis and Optimization of Jet Compressor and illustrates each process using practical examples.

Цена: 6898 руб.
Страницы: 132
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659402258

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Jet Suction into a Louvered FunnelJet Suction into a Louvered Funnel

Автор: Dipti Prasad Mishra and Sukanta K Dash

CFD analysis has been done to predict the mass suction into a cylindrical louvered funnel as a function of louvers opening area, diameter of the funnel and the protrusion length of the nozzle into the funnel.Optimum funnel diameter, protrusion length of the nozzle and height of the funnel has been predicted to obtain maximum air suction into the funnel. The entrance length for the sucking funnel has also been predicted as a function of the louvers opening area, diameter of the funnel and the nozzle inlet temperature. Scaled down experimental models have been made to validate the CFD analysis which could predict the mass suction rate, the maximum suction and the optimum diameter of the funnel. Mathematical correlations have been developed to predict the mass suction rate, exit temperature and velocity at the funnel outlet as a function of funnel operating conditions which can be used by practical funnel designers for Navy or merchant ship.

Цена: 6047 руб.
Страницы: 88
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843355407

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Jets methods of cutting carbide and super hard materialsJets methods of cutting carbide and super hard materials

Автор: Oleksandr Salenko,Viktor Schetinin and Lena Fomovskaya

Water jet processing techniques based on the use of fluid flow as a carrier or a conductor of high energy, currently being actively developed. In this book we have tried to show that blasting is a promising technology to obtain the various surfaces in products of modern materials, including high-strength and super hard materials. In combination with other energy sources, primarily the laser beam, with the liquid jet successfully handles heavy duty synthetic materials used in the tool making. In the long term - the use of this method for manufacturing sandblasting precision products made of composite materials.

Цена: 4924 руб.
Страницы: 116
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659610950

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Joining and Hermetic Sealing of Silicon Carbide for LWR ApplicationsJoining and Hermetic Sealing of Silicon Carbide for LWR Applications

Автор: Andrew Morgan

Silicon Carbide (SiC) is increasingly gaining attention as a potential accident-tolerant fuel clad, on account of its favorable thermo-mechanical, thermo-physical, and neutronic properties. The major limitations of such a cladding are currently associated with joining and hermetic sealing. This becomes a critical issue as it adversely affects the SiC cladding's fission product barrier ability. The work presented here investigated the use of Al, Cr, and Fe metals and a specialized alloy (FeCrAl) to achieve hermetic sealing of SiC tubes as well as a joining technology of SiC to itself. Major part of solving this issue requires addressing joining of ceramic and metallic components, which are largely dissimilar in both thermal and mechanical properties. To alleviate these issues, experiments were performed to coat thin films onto SiC, which were compositionally similar to FeCrAl alloy, followed by high-temperature diffusion bonding of FeCrAl alloy on to the thin film coated SiC....

Цена: 6158 руб.
Страницы: 116
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659598968

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Joining by cheapest methodJoining by cheapest method

Автор: Vivek Bangar

Shorttitle: There are several methods for joining of Mild steel to Aluminium. Some of them are like different welding processes. But all other methods are costlier as compared to the given in this book. Cold Roll Bonding is the cheapest of all joining methods. Working is very easy, no operational cost. Just initial cost is to be invested and rest all is on your feet. I have joined mild steel to aluminium by this method on my project level.

Цена: 6047 руб.
Страницы: 68
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843355810

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Joining of Materials by Friction WeldingJoining of Materials by Friction Welding

Автор: Amit Handa

Welding is an important and versatile fabrication process that is used in almost all the industries. There are several welding processes which are being used; one of them is the friction welding, which is now extensively considered by many industries for its possible use for many specialized purposes. Friction welding has many advantages over the other welding processes such as low production cost, ability to weld dissimilar metals, as well as plastics, non requirement of filler metal and less heat effected zone. A friction welding setup was fabricated with appropriate modifications on a conventional lathe machine. The main objective of present study is to optimize the process parameters for achieving reliable friction welds between Mild Steel bars. Two process parameters namely rotational speed and axial pressure were selected for optimization after a comprehensive literature review. Friction welded specimens were made on the setup using 25mm, 30mm and 34mm diameter MS rods by...

Цена: 6898 руб.
Страницы: 156
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783847370024

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Journey from Rapid Prototyping to Rapid ManufacturingJourney from Rapid Prototyping to Rapid Manufacturing

Автор: Somnath Chattopadhyaya

Rapid Prototyping is now a technology of two and half decades old. It is now high time to critically investigate the candidate rapid manufacturing processes which can be seamlessly interfaced with RP processes. In this book an attempt has been made to identify such suitable production processes for customized manufacturing methodology.The final chapter of the book discusses about the interfaces of some suitable manufacturing processes with the RP methodology. These interfaces are some time very much problematic and there are not at all seamless and hassle free in most of the cases. These interfaces are crucial for the success, survival and efficacy of the rapid manufacturing processes.In a nut shell the book exposes a reader about the developments of RP and RM processes for customized manufacturing domain. The author will feel deeply honored even a small number of readers are enlightened in this fascinating world of Rapid Prototyping and Rapid Manufacturing.

Цена: 6047 руб.
Страницы: 100
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783845408996

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Journey Time Reliability initiativesJourney Time Reliability initiatives

Автор: Carl Chouler

The main purpose of this research is to explore whether road user perceive benefits from journey time reliability (JTR) initiatives. JTR initiatives include a number of different strategies and interventions that aim to improve congestion on the roads by making better use of existing capacity through innovative measures that help reduce travel time variability (TTV) and making journeys more reliable.

Цена: 6047 руб.
Страницы: 96
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783838387307

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KAIZEN IMPROVEMENT IN A PROCESS ORGANIZATIONKAIZEN IMPROVEMENT IN A PROCESS ORGANIZATION

Автор: Harwinder Singh and Neeraj Kumar Gupta

Today''s managers often try to apply sophisticated tools and technologies to deal with problems that can be solved with low-cost approach. As saying "Work smarter, not harder". Kaizen, first and foremost, builds the employees morale and self - respect. Company benefits from worker''s participation as well as from the aggregate financial benefits of the ideas. The concept of Kaizen is deeply ingrained in everybody''s mind at plant of medium sized company manufacturing cold rolled steel strips. More number of cold rolling mills is coming in the market and every one is trying to increase the profitability, which can only be possible through the continuous improvement in every field. An attempt has been done to implement Kaizen practice in a process industry to increase the overall profit of the company. A steering committee has been formed to monitor the overall Kaizen initiation and implementation. Different projects are selected in the field of consumable cost by...

Цена: 6047 руб.
Страницы: 68
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783838387482

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Kaizen: A Approach to Process Improvement in Manufacturing IndustryKaizen: A Approach to Process Improvement in Manufacturing Industry

Автор: Rakesh Sharma

The KAIZEN philosophy allows employees to problem-solve, to do quantitative analyses of their processes, and to implement improvements. As practiced for many years in Japan, KAIZEN includes not only continuous improvement, but also other ideas such as total quality control, small group activities, and just in time manufacturing. The aim is for improvement to reach new ‘benchmarks’ with every problem that is solved. To consolidate the new benchmark, the improvement must be standardized. Continuous improvement (CI) as a collection of activities that constitute a process intended to achieve performance improvement. In manufacturing, these activities primarily involve simplification of production processes, chiefly through the elimination of waste. In this study the questionnaire is designed in order to determine the degree of importance of different elements of KAIZEN and the important benefits achieved from KAIZEN implementation. The study indicates that a significant reduction in both...

Цена: 4550 руб.
Страницы: 80
Год: 2015
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659341137

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Kalman Techniques for Intelligent Control SystemsKalman Techniques for Intelligent Control Systems

Автор: Rui Cortesao

This thesis presents methods, techniques and architectures to build intelligent control systems. The Kalman filter potentialities are extended to several domains, such as robust adaptive control, data fusion and fuzzy learning. The main contributions are: 1) The introduction of stochastic active observers. Model reference adaptive control is achieved through Kalman filtering techniques. 2) Applying stochastic active observers, a six degrees of freedom compliant motion controller is designed to perform the robotic peg-in-hole task. 3) A data fusion paradigm is proposed to fuse vision and pose data. It consists of two independent modules for optimal fusion and filtering. The data fusion algorithm applies stochastic evolutionary concepts linked with Kalman techniques. The data fusion architecture has artificial neural networks that map geometric information into desired compliant motion signals. Off-line learning is based on human demonstration. 4) A different perspective of fuzzy...

Цена: 9749 руб.
Страницы: 240
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843364867

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Kanban Supply Chain ManagementKanban Supply Chain Management

Автор: Mahdi Sabaghi and Mohammad Ehsan Torabizadeh

Kanban is an approach to provide an effective relation between different components of a Supply Chain System, such as suppliers, manufacturers, warehouses, distribution centers, retailers and finally customers. Instead of pushing parts, in kanban system each proceeding plant(s) sends a signal to the preceding plant(s) for needed parts to be sent. The plants only produce and deliver desired parts when they receive a signal. Number of kanbans can significantly influence the load balance between processes and the amount of orders suppliers need to obtain from subcontractors. A large kanban size results in large amount of work-in-process(WIP) at each workstation. Although, reducing kanban size serves a decrease in WIP, it leads to transportation increase as well as system throughput rate reduction. In this study a multi-echelon supply chain system is considered. Since the model used in this study is mixed integer non-linear programming and solving by exact algorithms such as branch and...

Цена: 6047 руб.
Страницы: 104
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783848485017

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Kansei EngineeringKansei Engineering

Автор: Pietro Tarantino

With a strong competition and a strong consumer awareness of quality, manufacturers have to look hard at how to satisfy needs and expectations of potential new consumers. The only acceptable level of quality is total. In addition to the functional needs, affective and emotional needs have been recognized as having primary importance for consumer satisfaction and for creating innovative products. Kansei Engineering is a newly emerged product development technique to deal with consumers’ feelings and emotions and to incorporate these emotions into design elements during the product concept design phase. Kansei Engineering has enormous potentiality, nevertheless to be successful and really innovative, it needs to be integrated with the traditional methodologies for product design and to be supported by quantitative methods. The underlying aim of this research work is to minimize intuition in design decisions and to maximize the systematic use of statistical methods in product concept...

Цена: 6158 руб.
Страницы: 92
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659463167

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Kaolin to zeolites conversionKaolin to zeolites conversion

Автор: Abdulsalami Kovo

This book consists of two main pieces of research onkaolin to zeolite conversion. Chapter one presents ageneral overview of the research to be undertakenwhile chapter two presents the literature work onzeolite science. Chapter three contains informationon all the characterization techniques used in thework. The first major part of the study is containedin chapter four. Chapter four presents the studiescarried out on the synthesis and characterization ofthree different zeolitic materials using AhokoNigerian kaolin (ANK). The second part of thisresearch on the development of zeolite membrane fromANK is presented in chapter five. This chapterpresents all the methods used in the preparation ofzeolite membranes using ANK as a precursor as well asthe results obtained. The testing of the performanceof zeolite membranes developed in terms of coherence,defects and separation performance is also presentedin this chapter. The book therefore provide theprocesses of raw kaolin transformation...

Цена: 9749 руб.
Страницы: 312
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843357623

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Karstification in the Foundation of DamsKarstification in the Foundation of Dams

Автор: Emmanuel Pepprah

The life span of a dam may be shortened considerably as a result of karstification beneath the dam. This study is based on an actual field site scenario in which the foundation of a weir is constructed on river sediments overlying gypsum bedrock, where limited flow conditions are expected. The numerical modeling tool, CAVE (Carbonate Aquifer Void Evolution) was used to simulate the development of solution conduits beneath the weir. It was concluded that, under limited flow conditions, if the conductivity of the intervening layer is sufficiently low, leakage rates may not pose a serious threat to a dam''s ability to store water but the development of conduits with significantly large diameters, of the order of tens of centimeters or more, may still pose a threat to the long-term stability of a dam. Professionals such as Engineers, Planners, Contractors and Policy Makers will find the findings of this study useful for planning, design and construction of dams or weirs in karst...

Цена: 6047 руб.
Страницы: 88
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783838347301

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Key Challenges in Biomass Gasification ProcessesKey Challenges in Biomass Gasification Processes

Автор: ASHISH CHAURASIA,Nilay Shah and Claire Adjiman

Biomass gasification is a developing technology that can be used to achieve an increased use of biomass by generating a syngas rich in H2 and CO. However, biomass gasification still holds many research and development challenges. One of the main operational problems is tar production, which is also an environmental one. This book focuses on homogeneous and heterogeneous tar cracking studies of a newly formed wood pyrolysis tar with reaction conditions similar to gasification and combustion. Operating conditions have been identified by sensitivity analysis to reduce the tar to maximum possible extent. The results are very useful for the design of robust tar cracking gasifier. This book is suitable for students in all engineering discipline. It will also be helpful to research scientists and practising engineers.

Цена: 9749 руб.
Страницы: 256
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783838373706

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Key Performance Indicators for Private Finance Initiative in MalaysiaKey Performance Indicators for Private Finance Initiative in Malaysia

Автор: Syuhaida Ismail

Prior to the implementation on Private Finance Initiative (PFI), Malaysia has implemented many different private sector participation models, prominently the privatisation model. PFI is observed as streamlining the previous privatisation by stipulating the standard regular evaluation of privatised entities'' performance through key performance indicators (KPIs). KPIs are expected to confront the privatised infrastructure project''s problems of shoddy workmanship, unfinished and delayed projects. Thus, with the aim of formulating the definition and variables of the KPIs for the assessment of public infrastructure PFI projects performance in Malaysia, this research establishes the KPIs of PFI for the development of public infrastructure in Malaysia. As KPIs are one of the key elements of PFI, this KPIs establishment urges the need for PFI guideline in standardising the execution of various schemes of Malaysia''s PFI, rising private concessionaire''s responsibility and accountability in...

Цена: 9749 руб.
Страницы: 316
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843392471

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Kinematic Geometric Modeling for Free-form Motion GenerationKinematic Geometric Modeling for Free-form Motion Generation

Автор: Carlos Andres Trujillo Suarez

This work presents new approaches for motion design and analysis suitable for the integration of Computer Aided Design (CAD), Computer Aided Manufacturing (CAM) and Computerized Numerical Control (CNC). Therefore, not only shape but also kinematic information is conveyed in an efficient manner that can be easily implemented in CAD/CAM systems and eventually interpreted by CNC manufacturing equipment. By using dual quaternions, quaternions and planar quaternions, the displacements of a rigid body in Cartesian space are mapped into points in the image space of displacements, transforming the kinematic problem of motion interpolation into a geometric problem where the powerful techniques for curve and surface interpolation from Computer Aided Geometric Design (CAGD) can be readily applied. Three techniques are developed using quaternion biarcs, a four point interpolatory subdivision scheme and its tensor product version. A preliminary approach for mechanism simulation using subdivision...

Цена: 6047 руб.
Страницы: 96
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843374026

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Kinematic Modeling MethodsKinematic Modeling Methods

Автор: Mohamed Ouerfelli

This book presents methods that automatically generate kinematic models for biological and robotic systems. The motivation comes from studying individuals with quadriplegia and the need to design aids such as robots and teletheses that can be controlled by head and neck movements. It is then necessary to develop mathematical models that capture the essence of the possible movements. Two methods for identification of the kinematics are developed and tested. The first method requires the elimination of the displacement variables that cannot be measured while the second method attempts to estimate the changes in these variables. Potential uses of the generated models in the design of aiding tools is also addressed.

Цена: 7281 руб.
Страницы: 156
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659175701

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Kinematic structure of mechanismsKinematic structure of mechanisms

Автор: Rajesh Pavan Sunkari

Kinematic structural studies play an important role in the design of mechanisms. These studies consider only the interconnectivity pattern of the individual links and hence are unaffected by the changes in the geometric properties of the mechanisms. This work focus on the three classical problems in this area: synthesis of all non-isomorphic kinematic mechanisms; detection of all non-isomorphic pairs of mechanisms; and, classification of kinematic mechanisms based on type of mobility. This work illustrates the successful use of techniques from graph theory and combinatorial optimization to efficiently solve these classical structural kinematic problems. A polynomial-time algorithm for degeneracy testing along with efficient algorithms to synthesize all non-isomorphic planar kinematic mechanisms are presented.

Цена: 9860 руб.
Страницы: 172
Год: 2014
Производитель: Scholars' Press
ISBN: 9783639701272

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Kinematics and Robust Control for Mechanical SystemsKinematics and Robust Control for Mechanical Systems

Автор: Seongil Hong

When designing mechanical control system, the designer is inevitably led to face the problems of kinematics, dynamics, and control. These subjects are explained with two practical application case studies. One is a spatial motion simulator, and the other is an inertially stabilized system (ISS) for tracking radar. Both two applications have many similar and opposite aspects in the point of kinematics, dynamics, and control. For kinematics, motion simulator is a parallel kinematic structure and a non real time problem, but the ISS is a serial and requires a real time computation to compensate the rigid body base motion. The dynamics of motion simulator is nonlinear, and it is derived by Lagrangian equation. But flexible dynamics of ISS can be approximated by Newtonian mechanics. In the control of motion simulator, a robust PID controller is designed, and tuning law and the performance limitations are described. The robust controller of ISS is used to cope with the flexibility...

Цена: 7281 руб.
Страницы: 132
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783845423524

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Kinetic Modelling of thermal debinding & sintering in MIM processesKinetic Modelling of thermal debinding & sintering in MIM processes

Автор: Ijaz Ul Mohsin

The metal injection molding (MIM) process is an efficient method for the high volume production of complex-shaped components from powders for high performance applications. Three systems, pure copper, Fe-12wt%Cu and heavy alloy parts from W-8%Ni-2%Cu powder mix were fabricated by metal injection molding. The soluble part of the binder was removed by organic solvent de-binding in n-heptane. The solvent de-binded specimens were used to study thermal de-binding of each system using evolved gas analysis technique. The thermo-gravimetric technique coupled with infrared and mass spectrometry provides sufficient knowledge to understand the degradation and reaction mechanisms during thermal de-binding.Thermo-physical data, on which temperature field calculation is strongly dependent, were also measured with best of available resources in AIT (Austrian Institute of Technology) laboratory using DSC, TGA-FTIR-MS, DIL and LFA instruments. Then finite element models were formulated by embedded...

Цена: 7281 руб.
Страницы: 152
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783845475943

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Kinetic studies on catalytic vapor phase pyridine synthesisKinetic studies on catalytic vapor phase pyridine synthesis

Автор: Suresh Kumar Reddy Kuppireddy and Kondapuram Vijaya Raghavan

Catalytic vapor pyridine synthesis from acetaldehyde, formaldehyde and ammonia is an attractive way of synthesis for growing demand of pyridine bases. The basic objective of the present work to focus on catalysis, mass transfer and kinetics of the aminocyclization of aldehydes constrained by the catalyst deactivation. The HZSM-5 catalyst and the coke formed during the aminocyclization have been extensively characterized by FT-IR, DTA, TGA, XRD, SEM, TPD, CHNS and BET Surface area. A series-Parallel reaction scheme has been considered for evaluating the kinetics of aminocyclization reaction. The external and internal mass transfer resistances have been minimized by operating above the experimentally determined and theoretically validated threshold gas/vapour superficial velocity and catalyst particle size. Appropriate rate equations have been formulated for aldehyde conversions to pyridine and picolines. By employing non linear regression analysis, the reaction rates, the reaction...

Цена: 9749 руб.
Страницы: 184
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783847334095

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Kinetic Study Of Bio-Remediation Of Crude Oil Contaminated SoilKinetic Study Of Bio-Remediation Of Crude Oil Contaminated Soil

Автор: Yahaya Danjuma Baba

Soil contamination by hydrocarbon pollutants is becoming prevalent across the globe; this is undoubtedly due to high dependence on petroleum as a major source of energy. Several clean up technologies are currently available to treat soil contaminated with hazardous materials, these include excavation and containment in secured landfills, vapor extraction, stabilization and solidification, soil flushing, and solvent extraction. Many of these technologies, however, are either too costly or do not result in complete degradation of the pollutants. The drawbacks of these conventional clean up technologies has spurred investigation into biological treatment i.e. Bioremediation which appears to be among the most promising methods for dealing with a wide range of organic contaminants, particularly petroleum hydrocarbons. This book reveals the result of the investigation of the kinetics of bioremediation of soil contaminated with crude oil using natural stimulants by employing the land farming...

Цена: 5541 руб.
Страницы: 136
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659591976

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Kinetic Theory Approach for the Determination of Rate of EvaporationKinetic Theory Approach for the Determination of Rate of Evaporation

Автор: Joshi C. Haran

This work is a report of study carried out on the rate of evaporation from a liquid surface. In the theoretical approach, the Boltzmann transport equation with the simplified collision terms as modelled in the BGK equation was made use of. This collision term is taken to be the difference between the Maxwellian distribution of molecular velocities under equilibrium condition and the actual distribution function under non-equilibrium condition. The problem was formulated for both single component and two component cases. The resulting Itegro-differential equations were simplified to a set of ordinary differential equations. These were solved numerically with appropriate boundary conditions to obtain the distribution functions and the variation of the different properties like temperature, pressure and number density. The rate of evaporation was also predicted. The evaporation coefficients that occur in the equations has to be determined experimentally. Experiments were...

Цена: 9860 руб.
Страницы: 192
Год: 2014
Производитель: Scholars' Press
ISBN: 9783639519396

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Kinetics and Reaction Engineering Aspects of Syngas ProductionKinetics and Reaction Engineering Aspects of Syngas Production

Автор: Rajabhau Bajirao Unde

This book integrates the disciplines of chemistry, chemical reaction engineering, kinetics, catalysis and thermodynamics. It mainly includes the kinetic study (intrinsic and effective kinetics) for the Reverse Water Gas Shift reaction, chemical reactors design, and the reactor modelling and simulation at technical conditions. This book is good for both the chemical engineers and chemists.

Цена: 8392 руб.
Страницы: 176
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783844317886

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Knitting of Silk Filament and Spun Silk YarnKnitting of Silk Filament and Spun Silk Yarn

Автор: Mani Senthilkumar and B.B Jambagi

This report mainly focuses on the technical feasibility of knitting of filament silk and spun silk yarns. Silk filament and spun silk yarn were knitted with different knit structures like single jersey, rib and interlock designs. Then, the produced samples were dyed with acid dyes. The spun silk and silk filament knitted dyed fabrics were tested for geometrical, mechanical, comfort and hand properties. The test results were compared with cotton knitted fabrics made from equivalent count used for silk yarn. Filament silk and spun silk yarn knitted with different design knit structures had been analysed and the most of the test results show that the silk knitted fabrics give good performance in knitting. This study will definitely useful to the industrialists, academicians and students to develop a different product with use of silk materials.

Цена: 4550 руб.
Страницы: 76
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659384950

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Knitting of Single Jersey Fabric as Affected By Yarn Singeing & WaxingKnitting of Single Jersey Fabric as Affected By Yarn Singeing & Waxing

Автор: Muhammad Qamar Tusief,Nabeel Amin and Waqar Iqbal

Yarn singeing process (known as gassing) is one of the latest methods to remove the hairiness from the yarn surface so that a smoother surface of yarn could be available for the fabrication causing less fabric hairiness and ultimately affecting positively the fabric properties especially the pilling. The singeing of yarn is accomplished by passing it over a gas flame at a speed sufficient to burn away the protruding material without scorching or burning the yarn. Different yarn singing machine variables like winding speed, gas pressure and air pressure may affect different properties of the yarn, such as appearance, fineness, evenness and especially its tensile properties and ultimately the quality of the end product. Similarly in order to get high quality knitted fabric and for the control of processing faults the friction control during knitting is one of the most important factors. For this the yarn waxing is done.Hence the present research study was planned to evaluate the...

Цена: 6047 руб.
Страницы: 92
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659187438

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Knowledge Based Expert System For Retrofitting Of BuildingsKnowledge Based Expert System For Retrofitting Of Buildings

Автор: Ashish Dongre

Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquake, so that it becomes safer under future earthquakes. Retrofitting reduces the vulnerability of damage of an existing structure during a future earthquake.It strengthens as per the requirements of the current codes for seismic design and also strengthens the existing Structure with addition of new features to it . In buildings, retrofits may involve either structural enhancements to increase strength or replacing major components of the building. Earthquake normally causes large scale destruction and may require rehabilitation operations and may also require retrofitting for different types of Buildings and soil strata .A computer programed knowledge based expert system has been developed which gives ready reckoner solutions for retrofitting of Buildings for various degrees of damage caused and may be a useful tool for...

Цена: 11711 руб.
Страницы: 268
Год: 2014
Производитель: Scholars' Press
ISBN: 9783639661491

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Knowledge Management for Innovation in DesignKnowledge Management for Innovation in Design

Автор: Jing Xu

In the era of knowledge economy, the pressures from the globalization, hyper-competition and sustainable development propel companies to innovate. Meanwhile, it is widely recognized that knowledge is the only sustainable resource for innovation and the competitive advantage of companies. Consequently, how to turn the available knowledge into profitable innovations has become the key research problem of this study. In order to understand the phenomenon of innovation and knowledge, multidisciplinary fields such as knowledge and its management, innovation, design and artificial intelligence have been investigated. Based on our analyses and argumentations, an integrated approach of knowledge management for innovation has been proposed by integrating the meta-model and macro process of knowledge management with the networking process of innovation and design. Based on the integrated approach, a software prototype has been built with Java and presented with an industrial case study. The...

Цена: 9749 руб.
Страницы: 220
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783847320296

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Knowledge modeling of image analysis and interpretationKnowledge modeling of image analysis and interpretation

Автор: Margret Anouncia S.,Saravanan R. and Anthony Xavior M

This book focuses on design and development of a unified framework for radiographic image analysis and interpretation with emphasis on defect classification. The framework is constructed by creating two ontologies namely process ontology and domain ontology. Process ontology structures information for performing gray scale image analysis and it is maintained as a knowledgebase. The images are analyzed by using the process plan which resulted in the enhanced images from which geometrical, statistical and textural features are extracted to construct domain ontology. In addition to that, details of welding defects in radiographic image are conceptualized and maintained in the domain ontology. The framework includes a flexible user interface through which the experts’ knowledge of the domain can be uploaded into the knowledgebase. The knowledgebase search is minimized into single selection on the domain ontology using which the entire content of defects and type of defect appearing in the...

Цена: 8392 руб.
Страницы: 164
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659245442

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Knowledge-based System for Capturing CNC Operator KnowledgeKnowledge-based System for Capturing CNC Operator Knowledge

Автор: Wikan Sakarinto

As the world moving further into the globalization era and intensified competition of the industrial world, effective management of knowledge is becoming a critical aspect. One of the reasons is that manufacturing process, which is the major cost driver, is growing complex, especially the CAM-CNC Operation. It is common to find CAM files which is not relevant with the CNC machine (also the shop floor condition). This leads to additional labor to the CNC operators. They have to manage the CAM file so that it is applicable to the CNC machine. Therefore, a system to capture and manage CNC operator knowledge is needed.

Цена: 8009 руб.
Страницы: 172
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659583315

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La statique graphique et ses applications aux constructions (комплект из 4 книг)La statique graphique et ses applications aux constructions (комплект из 4 книг)

Автор: M. Maurice Levy

Париж, 1907 год (1 том), 1913 год (2 том), 1918 год (3 том), 1926 год (4 том). Gauthier-Villars Imprimeur-Libraire. Издательский переплет. Сохранность хорошая. Сохранена оригинальная обложка. Морис Леви - французский математик, механик и инженер. Опубликовал много работ в разных областях чистой и прикладной математики (включая аналитическую геометрию). Его работы по механике относятся к графической статике, кинематике твёрдого тела, гидродинамике и гидравлике, теории упругости и теории пластичности. В данное издание вошел его фундаментальный четырехтомный труд "La statique graphique et ses applications aux constructions". Издание не подлежит вывозу за пределы Российской Федерации.

Цена: 9000 руб.
Страницы: 1914
Год: 1907
Производитель: Gauthier-Villars Imprimeur-Libraire

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Laboratories In Engineering Education: A Comparative StudyLaboratories In Engineering Education: A Comparative Study

Автор: Balamuralithara Balakrishnan

Over the years, rapid development in computer technology has engendered simulation-based laboratory(lab) in addition to the traditional real (physical) lab. Many higher education institutions adopt simulation lab, replacing some existing physical lab experiments. The creation of new systems for conducting engineering lab activities has raised concerns among educators on the merits and shortcomings of both physical and simulation laboratories. Many arguments have been raised on the differences of both labs. In this book, we discuss the current trends and key issues in engineering laboratories including remote lab.We also investigating the effectiveness of real and simulation labs from students’ perspectives on their experience conducting both laboratories exercises. Specific suggestions to develop and design engineering laboratory education were proposed, which are deemed to be useful to educators and researchers who are working on engineering laboratory education and design.

Цена: 8009 руб.
Страницы: 188
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659413803

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Laboratory Manual in Concrete TechnologyLaboratory Manual in Concrete Technology

Автор: P. D. Kumbhar

Concrete is the most widely used man-made product in the world, and is second only to water as the world’s most utilized substance. It is an affordable and reliable material that is applied throughout the infrastructure of any nation’s construction, industrial, transportation, defence, utility, and residential sectors. In its simplest form, it is a mixture of cement paste and aggregates. For producing quality concrete, not only good quality ingredients are necessary but good rules in manufacturing concrete are also essential. The quality of the ingredients is always judged in the laboratory by performing various tests on them by following standard procedures. This manual has been prepared in order to impart efficient learning of student through outcomes based education suggested by ABET.

Цена: 6158 руб.
Страницы: 100
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659663192

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Laboratory methods of soil testing in Construction EngineeringLaboratory methods of soil testing in Construction Engineering

Автор: Wycliffe Namwiba

There is an increasing demand for modern infrastructure to cater for the ever rising human population. To address this demand, built structures to be provided have to be designed based on adequate soil investigations, among other requirements. It is on this basis that this book has been developed. The book will provide the reader with principles in laboratory soil testing that are currently performed for construction purposes. Several chapters designated as; Soils and Clay minerals, Elementary Soil characteristics, Soil classification, Soil Permeability, Soil Shear Strength, Soil Compaction and California Bearing Ratio, and Soil Consolidation and Settlement are covered. An exposure to worked-out examples and problems are included so as to evaluate the reader's behavioral change during the learning process. Solutions for all problems and a glossary have been included for self reliance of the text. Students pursuing Diploma and Degree programs that require soil mechanics as a unit will...

Цена: 14179 руб.
Страницы: 436
Год: 2014
Производитель: Scholars' Press
ISBN: 9783639716399

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Laboratory to Bulk Correlation in Knit Dyeing and FinishingLaboratory to Bulk Correlation in Knit Dyeing and Finishing

Автор: Md. Fazley Elahi

The activities of wet processing industries, especially in the dyeing department starts from the preparation of Lab-dip sample as per the given swatch or standard color code (i.e. Pantone color code either TC or PC, buyer’s standard color code etc.) from the buyer or customer. Then the recipe is being prepared by spectrophotometer or manually and sent for the approval. After the approval of lab-dip, the recipe is sent to the dyeing floor for the bulk production. The difficulties found during the bulk dyeing process are that, the recipe of the dyeing lab does not give the same shade in the bulk dyeing. This creates lots of problem in the dyeing section. It is a very challenging job for a dyer to match the shade of the bulk production to the Lab-dip. But due to this problem; lab to bulk reproducibility is being hampered. This is the main reason of dyeing reprocessing and refers several times for re-dyeing and stripping. Both of which are not economical practice for a dye house. In...

Цена: 6047 руб.
Страницы: 108
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783846506097

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Lake MarioutLake Mariout

Автор: Osama Moharem and Sami Zaki

It goes without saying that pollution issues have attracted the views in the last decades not only because of its dangerous but also the decrease of the natural resources. Because of that we present here a brief study on a Lake Mariout as an example of pollution matter, and we struggled – or may be burnt some mid night oil – to put some recommendations to help increasing the efficiency of the lake. In chapter one, We gave a brief look on the Lake Mariout, the location, history and its development throughout the years, through chapter two, we move talking about the pollution sources and its impact on the lake, with some precious analysis that makes the reader found out how the problem is big, the recommendations was held in the last chapter as it introduce some precise solutions to the pollution of the lake with completely vision and integrated parts.

Цена: 6047 руб.
Страницы: 96
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783844325393

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Lameness Models that use Transformations to Enhance their Performance:Lameness Models that use Transformations to Enhance their Performance:

Автор: Jianbo Liu,Nagaraj Neerchal and Uri Tasch

Lameness is an important welfare and costly production problem for the dairy industry. Losses due to lameness are caused by diminished milk yields, loss of reproductive efficiency and increased involuntary culling. These costs could be reduced with early detection and proper treatment of the ailment. StepMetrix, an automatic, early lameness detection system for dairy cattle has been developed for this purpose. The aim of this thesis was to improve the performance of the lameness prediction model currently used in the StepMetrix system. The testing results showed that lameness prediction models using B-Spline transformation can be used in combination with the current StepMetrix lameness prediction model to improve the model performance.

Цена: 6047 руб.
Страницы: 108
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783838386966

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Laminar micro-convection of gas and liquidLaminar micro-convection of gas and liquid

Автор: Nitin Gulhane,Dr. Nitin P. Gulhane and Dr . Shripad P. Mahulikar

The present text book includes the study of influence of property variations in single- phase, laminar, forced gas micro-convection with and without entrance effect. Two-dimensional micro- sized axisymmetric geometry with constant wall heat flux boundary condition is considered to predict flow behaviour and thermal development. The steady state,continuum-based conservation equations are numerically solved to account for non-rarefaction scaling effects. Investigations have been reported on the role of variations in fluid properties on laminar micro-convection characteristics.For the case of heated air, variation in gas specific heat at constant pressure and thermal conductivity causes increase in Nusselt number. It is proposed that deviation in convection with specific heat, thermal conductivity variation is significant through temperature field than density and viscosity variation on velocity field. The non- dimensional governing equations show significance of...

Цена: 7281 руб.
Страницы: 144
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843391894

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Laminar Separation BubbleLaminar Separation Bubble

Автор: Mohsen Jahanmiri

Unlike high Reynolds number, for lower Re numbers the flow is initially laminar and is prone to separate even under mild adverse pressure gradient. Under certain flow conditions, the separated flow reattaches and forms a Laminar Separation Bubble (LSB) while transitioning from laminar to turbulent state. Laminar separation bubble could modify the effective shape of the airfoil and consequently influence the aerodynamic performance of flying vehicles like micro UAVs, High Altitude Long Endurance (HALE) Reconnaissance aircrafts, etc. generally in a negative manner. The main aim of this review work is to uncover the major research activities on different aspects of LSB which have been carried out theoretically and experimentally for past few decades till present time.

Цена: 4550 руб.
Страницы: 60
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659412387

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Laminated Cementitious CompositesLaminated Cementitious Composites

Автор: Zakaria Hossain

This book is the outcome of my experience gained while dealing with the manifold aspects of the topics covered both in the teaching as well as in the practical field. In this book, an analytical model of laminated cementitious composites has been developed to predict the mechanical behavior of laminated cementitious composites elements in flexure, tension and compression. The validity of the developed model is assessed by comparing the analytical results with the experimental ones. It is found that the model is powerful, efficient and versatile for predicting progressive cracking and buckling capacities of arbitrary shaped thin-walled laminated cementitious composites elements and traces the entire stress-strain and load-deflection relationships under various loadings and boundary conditions. Numerous illastrative diagrams, worked-out, examples, tables, charts and graphs have been presented to meet the need in the structural engineering education, profession and reserches covering the...

Цена: 9749 руб.
Страницы: 224
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783847343141

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Land use and land cover change analysisLand use and land cover change analysis

Автор: Judith Mbau,Moses Nyangito and Charles Gachene

Land use and land cover changes are important processes that influence the dynamics of human-wildlife conflicts. Effective management of human-wildlife conflicts requires the participation of local communities and other stakeholders. However, local communities need to identify and understand resource use change and their role in the process, so as to facilitate uptake of appropriate land resource management strategies aimed at counteracting human-wildlife conflicts. Approaches aimed at changing local community behavior towards natural resource use require appropriate technologies that bridge the technology and knowledge gaps between policy makers and local communities. PGIS was used to assess and educate local communities on land use and land cover changes as well as visualize the problems associated with resource changes. Local communities were found to be significantly knowledgeable about resource changes and their causes. PGIS compared well to conventional GIS analysis and...

Цена: 6158 руб.
Страницы: 96
Год: 2013
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659362224

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LAND USE CHANGE AND REFORM IN THE TROPICSLAND USE CHANGE AND REFORM IN THE TROPICS

Автор: David Lopez Cornelio

The last decades witnessed an ever increasing concern for sustainable development worldwide together with unprecedented trends of human disturbance to land ecosystems. The case of tropical countries is particularly complex and largely misunderstood for being multi cultural regions with high biodiversity, politically unstable, economically weak, and usually struggling for a better integration with the global market. Most of the interventions were planned in the "North" and "from above" with insufficient understanding of local people rationality and real needs. Results from study cases in Brazil, Peru and Papua New Guinea that integrates GIS and socio economic surveys, debunk underestimated complexities and open the way for consensual long term solutions from within.

Цена: 8392 руб.
Страницы: 172
Год: 2010
Производитель: LAP Lambert Academic Publishing
ISBN: 9783843371421

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Land use Change Evaluation in a Humid Subtropical WatershedLand use Change Evaluation in a Humid Subtropical Watershed

Автор: Muhammad Shahid,Hamza Farooq Gabriel and Amjad Nabi

The aim of this book is to promote development and application of science, engineering techniques and latest tools in managing global water resources.This book provides a broad understanding of the problems and the potential for improvement of watershed management, lake and reservoir management and catchment hydrology management. This book may be used by academics, researchers, Water resource Engineers, Water resource managers, Hydrologists and field professionals.

Цена: 6898 руб.
Страницы: 144
Год: 2014
Производитель: LAP Lambert Academic Publishing
ISBN: 9783659638602

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Land use change impacts on healthLand use change impacts on health

Автор: David Kiirya and Nicodemus Mandere

Recently, malaria has been expanding geographically into new spatial areas mainly due to climate change. However, unplanned land use change has also played a great role in this phenomenon. One of the new geographical areas where malaria has been observed is Kabale district in Uganda. This book therefore, elaborates the role of fish farming in the prevalence of malaria in Kabale. Using primary and secondary data sets which were analysed qualitatively and quantitatively using SPSS and content analysis, the results showed that malaria is a major problem in the study area, its prevalence increased among households whose fish ponds and homestead sites were characterised with crops such as coco yams, cabbages and sugarcanes, Dracaena fragrans live fence, abandoned fish ponds and in some cases those living in close proximity to fish ponds. However, fish farming is not the only factor contributing to malaria prevalence in Kabale but also brick-laying, sand mining and stone quarrying, changing...

Цена: 6047 руб.
Страницы: 56
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783847377917

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Land-use impacts on water quality of the Bottelary RiverLand-use impacts on water quality of the Bottelary River

Автор: Elie Fereche Itoba Tombo

South Africa is a country which is experiencing freshwater challenges in term of water quality management (DWAF 2005, Ninham Shand & Arcus Gibb, 2001). The challenge in managing this natural resource is often due to an increaase in demand for water by a diversity of land use within the river catchment, which have impacts on water quality (Feng, 2005; Ma, 2005; Rui Li, 2005). The Bottellary River catchment in Cape Town and the Western Cape Province of South Africa is a true example of the impacts that land use types pose on the water quality in this area.

Цена: 6047 руб.
Страницы: 108
Год: 2011
Производитель: LAP Lambert Academic Publishing
ISBN: 9783844380125

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Landfill Leachate Treatment Using Sequencing Batch Reactor ProcessLandfill Leachate Treatment Using Sequencing Batch Reactor Process

Автор: Shuokr Qarani Aziz,Hamidi Abdul Aziz and Mohd Suffian Yusoff

Raw landfill leachate from Kulim landfill site (KLS), Pulau Burung landfill site (PBLS), and Kuala Sepetang landfill site (KSLS) was characterized in laboratory. Effectiveness of a novel powdered activated carbon (PAC) augmented sequencing batch reactor (SBR) technique for landfill leachate treatment was examined. The SBR experiments were categorized into batch and repeated processes. Batch process experiments comprised of preliminary experiments (leachate/activated sludge, PAC dosage, and settling time) which was later optimized using Response Surface Methodology (RSM). In repeated experiments, optimized operational parameters from batch experiments were applied in non-powdered activated carbon-SBR (NPAC-SBR, 5 phases), powdered activated carbon-SBR (PAC-SBR, 5 phases), and double-react settle-SBR (DRS-SBR, 7 phases), for treatment of raw leachate collected from KLS and PBLS. In general, the DRS-SBR that was operated in seven phases (fill, react I, settle I, react II, settle II,...

Цена: 9749 руб.
Страницы: 260
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783848403653

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Language Modeling Approaches for Improving Tamil Speech RecognitionLanguage Modeling Approaches for Improving Tamil Speech Recognition

Автор: Selvarajan Saraswathi and T.V. Geetha

This thesis proposes a new approach to improve the performance of Tamil speech recognition using language models. The main contribution of this thesis is the development of language models to capture co-occurrence patterns of partially free word order languages like Tamil. The models designed used sub-word units such as phonemes, syllables and morphemes as basic components of the language model. In addition the thesis explains the use of various language models at different levels of error correction. Language models based on different sub-word units, sub-word unit features and contexts designed to capture the characteristics of the Tamil language were used in this work to improve error correction rate of Tamil speech recognition system. The language models described in this work are not word dependent, but based on sub-word units like phoneme, syllable and morpheme resulting in essentially capturing vocabulary independent linguistic co-occurrences of the language under consideration....

Цена: 8392 руб.
Страницы: 168
Год: 2012
Производитель: LAP Lambert Academic Publishing
ISBN: 9783847372905

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