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Books > Professional & Technical > Mechanical engineering & materials > Mechanical engineering
Polyester-Based Biocomposites highlights the performance of polyester-based biocomposites reinforced with various natural fibres extracted from leaf, stem, fruit bunch, grass, wood material. It also addresses the characteristics of polyester-based biocomposites reinforced with rice husk fillers and various nanoparticles. The book explores the widespread applications of fibre-reinforced polymer composites ranging from the aerospace sector, automotive parts, construction and building materials, sports equipment, and household appliances. Investigating the advantages of natural fibres, such as superior damping characteristics, low density, biodegradability, abundant availability at low cost and non-abrasive to tooling, the book discusses what makes them a cost-effective alternative reinforcement material for composites in certain applications. The book serves as a useful reference for researchers, graduate students, and engineers in the field of polymer composites.
In this book the author presents the dynamical systems in infinite dimension, especially those generated by dissipative partial differential equations. This book attempts a systematic study of infinite dimensional dynamical systems generated by dissipative evolution partial differential equations arising in mechanics and physics and in other areas of sciences and technology. This second edition has been updated and extended.
In Logomotive Ian Logan's photographs are assembled into chapters and picture essays recalling the great days of lines such as the Santa Fe, the Union Pacific, and the Kansas City Southern. Some of his journeys are presented as travelogues in which he meets the Fat Controller, gets to sound the horn, and wanders into freight yards to see the last generation of streamline locomotives rusting amid the weeds. Animal motifs, Native American allusions, advertising slogans, names of famous trains such as the Super Chief and the Wabash Cannonball provide the subject matter for other picture features.
Machining of Metal Matrix Composites provides the fundamentals and recent advances in the study of machining of metal matrix composites (MMCs). Each chapter is written by an international expert in this important field of research. Machining of Metal Matrix Composites gives the reader information on machining of MMCs with a special emphasis on aluminium matrix composites. Chapter 1 provides the mechanics and modelling of chip formation for traditional machining processes. Chapter 2 is dedicated to surface integrity when machining MMCs. Chapter 3 describes the machinability aspects of MMCs. Chapter 4 contains information on traditional machining processes and Chapter 5 is dedicated to the grinding of MMCs. Chapter 6 describes the dry cutting of MMCs with SiC particulate reinforcement. Finally, Chapter 7 is dedicated to computational methods and optimization in the machining of MMCs. Machining of Metal Matrix Composites can serve as a useful reference for academics, manufacturing and materials researchers, manufacturing and mechanical engineers, and professionals involved with MMC applications. It can also be used to teach modern manufacturing engineering or as a textbook for advanced undergraduate and postgraduate engineering courses in machining, manufacturing or materials.
This volume contains the proceedings of the 2000 International Congress of Theoretical and Applied Mechanics. The book captures a snapshot view of the state of the art in the field of mechanics and will be invaluable to engineers and scientists from a variety of disciplines.
This book presents the most recent advances in the research and applications of reconfigurable mechanisms and robots. It collects 93 independently reviewed papers presented at the Third ASME/IFToMM International Conference on Reconfigurable Mechanisms and Robots (ReMAR 2015) held in Beijing, China, 20-22 July 2015. The conference papers are organized into seven parts to cover the reconfiguration theory, topology, kinematics and design of reconfigurable mechanisms including reconfigurable parallel mechanisms. The most recent results on reconfigurable robots are presented including their analysis, design, simulation and control. Bio-inspired mechanisms are also explored in the challenging fields of rehabilitation and minimally invasive surgery. This book further addresses deployable mechanisms and origami-inspired mechanisms and showcases a wide range of successful applications of reconfigurable mechanisms and robots. Advances in Reconfigurable Mechanisms and Robots II should be of interest for researchers, engineers and postgraduate students in mechanical engineering, electrical engineering, computer science and mathematics.
This book reviews the fundamentals of screw theory concerned with velocity analysis of rigid-bodies, confirmed with detailed and explicit proofs. The author additionally investigates acceleration, jerk, and hyper-jerk analyses of rigid-bodies following the trend of the velocity analysis. With the material provided in this book, readers can extend the theory of screws into the kinematics of optional order of rigid-bodies. Illustrative examples and exercises to reinforce learning are provided. Of particular note, the kinematics of emblematic parallel manipulators, such as the Delta robot as well as the original Gough and Stewart platforms are revisited applying, in addition to the theory of screws, new methods devoted to simplify the corresponding forward-displacement analysis, a challenging task for most parallel manipulators.
Gain a Deeper Understanding of Mechanical Fastening: Assemble More Efficient and Competitive Products A good design, quality parts, and properly executed assembly procedures and processes result in well-fastened assemblies. Utilizing a combined knowledge of mechanical assembly engineering and fastening technology, Mechanical Fastening, Joining, and Assembly, Second Edition provides readers with a solid understanding of mechanical fastening, joining, and assembly information. Based on the author's experience in the field, this updated mechanical arts guide and reference chronicles the technical progress since the first edition was published more than a decade ago. Provides Case Studies Showing Real-World Applications for Commonly Used Assemblies The second edition addresses recent trends in the industry, and looks at new fastening technologies used in aerospace, automotive, and other key areas. It explains the fastening function in depth, and describes the types of fastening approaches that can be used effectively. The revised text expands on the presentation and review of fastened components, detailing the assembly, design, manufacturing, and installation of fastener products and procedures. It covers specific joining applications, including vibration, standard, and special materials; details environmental factors; and provides useful reference charts for future use. What's New in the Second Edition: Provides an up-to-date selection of technologies Contains practical approaches to modern fastener technology Reviews engineering fundamentals with a focus on their application in the fastener industry Includes a section on fastener statics Expands on fastener manufacturing processes, most specifically cold heading and roll threading Adds fastener dynamics to draw attention to forces in motion (wind turbine hub turning in strong winds) and fastener strength of materials Extends review of the economics of fastening and provides some tools for engineering economics Examines the difference in static and dynamic strengths Considers fastener materials in this new century, provides some observations about the fastener laboratory, and discusses electrical theory Addresses sustainability, application product management, thermodynamics, energy systems, and new thought maps for application analysis Takes a look at a favorite application, D&D 100, and more Mechanical Fastening, Joining, and Assembly, Second Edition is accessible to novices and experienced technologists and engineers, and covers the latest in fastener technology and assembly training.
This self-tutorial offers a concise yet thorough grounding in the mathematics necessary for successfully applying FEMs to practical problems in science and engineering. The unique approach first summarizes and outlines the finite-element mathematics in general and then, in the second and major part, formulates problem examples that clearly demonstrate the techniques of functional analysis via numerous and diverse exercises. The solutions of the problems are given directly afterwards. Using this approach, the author motivates and encourages the reader to actively acquire the knowledge of finite-element methods instead of passively absorbing the material, as in most standard textbooks. The enlarged English-language edition, based on the original French, also contains a chapter on the approximation steps derived from the description of nature with differential equations and then applied to the specific model to be used. Furthermore, an introduction to tensor calculus using distribution theory offers further insight for readers with different mathematical backgrounds.
This book focuses on particulate matter emissions produced by vehicles with combustion engines. It describes the physicochemical properties of the particulate matter, the mechanisms of its formation and its environmental impacts (including those on human beings). It discusses methods for measuring particulate mass and number, including the state-of-the-art in Portable Emission Measurement System (PEMS) equipment for measuring the exhaust emissions of both light and heavy-duty vehicles and buses under actual operating conditions. The book presents the authors' latest investigations into the relations between particulate emission (mass and number) and engine operating parameters, as well as their new findings obtained through road tests performed on various types of vehicles, including those using diesel particulate filter regeneration. The book, which addresses the needs of academics and professionals alike, also discusses relevant European regulations on particulate emissions and highlights selected methods aimed at the reduction of particulate emissions from automobiles.
This book provides a comprehensive introduction to and technical description of a unique patented surface-modification technology: plasma surface metallurgy with double-glow discharge plasma process, known as the Xu-Tec process. As such it promotes further attention and interest in scientific research and engineering development in this area, as well as industrial utilization and product commercialization. The Xu-Tec process has opened up a new material engineering field of "Plasma Surface Metallurgy". This surface-modification process can transform many low-grade and low-cost industrial engineering materials into "gold" materials with a high value and high grade or special functions. This improved material can be widely used in industrial production to improve the surface performance and quality of mechanical parts and manufacturing products, and to conserve expensive alloying elements for the benefit of all mankind. "This book will be valuable to those in the general area of surface metallurgy. The substantial description of the Xu-Tec process is very important and should assist in expanding the use of this superior technique. The in-depth explanation of glow discharges and their use in general will also serve as a valuable reference in the field." James E. Thompson, Prof. Fellow of the IEEE Dean of Engineering Emeritus University of Missouri, Columbia, Missouri, USA November, 2016 "A BREAKTHROUGH IN MAKING METAL TOUGHER". ---- SCIENCE & TECHNOLOGY Business Week, July 24, 1989 "NOVEL SURFACE ALLOYING PROCESS" --- THE LEADING EDGE TECHNOLOGY WORDWIDE Materials and Processing Report, Dec. 1987
The 24th Leeds-Lyon Symposium was held in London from 4th-6th September 1997, where it was hosted by the Imperial College of Science, Technology and Medicine. The meeting addressed the topic of "Tribology for Energy Conservation" and attracted a wide range of stimulating papers and speakers. Some 150 delegates from nineteen countries attended and about sixty papers were presented in fifteen sessions. These covered the topics of lubricants, wear, friction reduction, hydrodynamics, elastohydrodynamic lubrication, surface roughness, manufacturing, component life (including condition monitoring), and automotive aspects.
Tribology is emerging from the realm of steam engines and crank-case lubricants and becoming key to vital new technologies such as nanotechnology and MEMS. Wear is an integral part of tribology, and an effective understanding and appreciation of wear is essential in order to achieve the reliable and efficient operation of almost any machine or device. Knowledge in the field has increased considerably over recent years, and continues to expand: this book is intended to stimulate its readers to contribute towards the progress of this fascinating subject that relates to most of the known disciplines in physical science. "Wear - Materials, Mechanisms and Practice" provides the reader with a unique insight into our current understanding of wear, based on the contributions of numerous internationally acclaimed specialists in the field. Offers a comprehensive review of current knowledge in the field of wear. Discusses latest topics in wear mechanism classification. Includes coverage of a wide variety of materials such as metals, polymers, polymer composites, diamonds, and diamond-like films and ceramics. Discusses the chemo-mechanical linkages that control tribology, providing a more complete treatment of the subject than just the conventional mechanical treatments. Illustrated throughout with carefully compiled diagrams that provide a unique insight into the controlling mechanisms of tribology. The state of the art research on wear and the mechanisms of wear featured will be of interest to post-graduate students and lecturers in engineering, materials science and chemistry. The practical applications discussed will appeal to practitioners across virtually all sectors of engineeringand industry including electronic, mechanical and electrical, quality and reliability and design.
In the 1970s and the early 1980s there was an enormous volume of
research and development into the subject of molybdenum disulphide
lubrication, much of which was supported by national governments
for the benefit of defence, aviation or space activities. There
were already some well-established practical guidelines for
deciding when and how to use molybdenum disulphide, but there was
still a considerable lack of universally-accepted theoretical
understanding of some of the important and fundamental aspects of
molybdenum disulphide technology. However, the state of knowledge
was growing rapidly. In the past fifteen years the situation with regard to the
technology of molybdenum disulphide lubrication has stabilised in
many respects, and a measure of consensus has been reached about
some of the mechanisms involved. The use of molybdenum disulphide
has become routine in some industries, and there are many
well-established and reputable commercial products available.
Except in the high-technology field of physical deposition
techniques, especially sputtering, the output of new research
publications has fallen from perhaps two hundred a year in the
1970s to fewer than ten a year in the 1990s. In spite of this
maturing of the subject, it is clear that there are still many
aspects in which disagreements persist about the mechanisms
involved, and which as a result are unclear or misunderstood among
current, and perhaps even more importantly, potential users.
This book is a result of the lectures and discussions during the conference "Theory and Practice of Geometric Modeling". The event has been organized by the Wilhelm-Schickard-Institut fiir Informatik, Universitat Tiibingen and took place at the Heinrich-Fabri-Institut in Blaubeuren from October 3 to 7, 1988. The conference brought together leading experts from academic and industrial research institutions, CAD system developers and experien ced users to exchange their ideas and to discuss new concepts and future directions in geometric modeling. The main intention has been to bridge the gap between theoretical results, performance of existing CAD systems and the real problems of users. The contents is structured in five parts: A Algorithmic Aspects B Surface Intersection, Blending, Ray Tracing C Geometric Tools D Different Representation Schemes in Solid Modeling E Product Modeling in High Level Specifications The material presented in this book reflects the current state of the art in geometric modeling and should therefore be of interest not only to university and industry researchers, but also to system developers and practitioners who wish to keep up to date on recent advances and new concepts in this rapidly expanding field. The editors express their sincere appreciation to the contributing authors, and to the members of the program committee, W. Boehm, J. Hoschek, A. Massabo, H. Nowacki, M. Pratt, J. Rossignac, T. Sederberg and W. Tiller, for their close cooperation and their time and effort that made the conference and this book a success.
1. Highlights recent advances in material science and armour technology 2. Provides information on computational methods for armour design 3. Discusses stress waves and penetration mechanics 4. Covers human vulnerability and reactive armour systems
There is an ever increasing need for modelling complex processes
reliably. Computational modelling techniques, such as CFD and MD
may be used as tools to study specific systems, but their emergence
has not decreased the need for generic, analytical process models.
Multiphase and multicomponent systems, and high-intensity processes
displaying a highly complex behaviour are becoming omnipresent in
the processing industry.
Geothermal waters, hot enough to provide direct heating, are available in many parts of the world. Some are exploited already but many more are only now being considered, as planners begin to recognize the environmental benefits of this unfamiliar energy resource. The relative economic benefits are more marginal, however, and a successful scheme requires careful design and optimization. The nature of geothermal resources imposes special conditions which may be unfamiliar to many plant engineers. In addition, many different approaches are possible, depending on the characteristics of the resource and the user and on the operator's requirements. Must the scheme be optimized for energy recovery or for financial return, or is it more important that it should remain profitable over as wide a range of conditions as possible? This book, written by professional plant engineers with first-hand experience, is designed to guide plant engineers through the different options and to help in this optimization process.
Monte-Carlo techniques have increasingly become a key method used in quantitative research. This book introduces engineers and scientists to the basics of using the Monte-Carlo simulation method which is used in Operations Research and other fields to understand the impact of risk and uncertainty in prediction and forecasting models. Monte-Carlo Simulation: An Introduction for Engineers and Scientists explores several specific applications in addition to illustrating the principles behind the methods. The question of accuracy and efficiency with using the method is addressed thoroughly within each chapter and all program listings are included in the discussion of each application to facilitate further research for the reader using Python programming language. Beginning engineers and scientists either already in or about to go into industry or commercial and government scientific laboratories will find this book essential. It could also be of interest to undergraduates in engineering science and mathematics, as well as instructors and lecturers who have no prior knowledge of Monte-Carlo simulations. |
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