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Books > Science & Mathematics > Physics > Classical mechanics > General

Thermodynamics of Materials with Memory - Theory and Applications (Hardcover, 2nd ed. 2021): Giovambattista Amendola, Mauro... Thermodynamics of Materials with Memory - Theory and Applications (Hardcover, 2nd ed. 2021)
Giovambattista Amendola, Mauro Fabrizio, John Murrough Golden
R4,048 Discovery Miles 40 480 Ships in 10 - 15 working days

This monograph deals with the mechanics and thermodynamics of materials with memory, including properties of the dynamical equations that describe their evolution in time under varying loads. A work in four parts, the first is an introduction to continuum mechanics, including classical fluid mechanics, linear and non-linear elasticity. The second part considers continuum thermodynamics and its use to derive constitutive equations of materials with memory, including viscoelastic solids, fluids, heat conductors and some examples of non-simple materials. In the third part, free energies for materials with linear memory constitutive relations are discussed. The concept of a minimal state is introduced. Explicit formulae are presented for the minimum and related free energies. The final part deals with existence, uniqueness, and stability results for the integrodifferential equations describing the dynamical evolution of viscoelastic materials, including a new approach based on minimal states rather than histories. There are also chapters on the controllability of thermoelastic systems with memory, the Saint-Venant problem for viscoelastic materials and on the theory of inverse problems. The second edition includes a new chapter on thermoelectromagnetism as well as recent findings on minimal states and free energies. It considers the case of minimum free energies for non-simple materials and dielectrics, together with an introduction to fractional derivative models.

Compendium of Hydrogen Energy - Hydrogen Use, Safety and the Hydrogen Economy (Hardcover): Michael Ball, Angelo Basile, T.Nejat... Compendium of Hydrogen Energy - Hydrogen Use, Safety and the Hydrogen Economy (Hardcover)
Michael Ball, Angelo Basile, T.Nejat Veziroglu
R4,444 R4,128 Discovery Miles 41 280 Save R316 (7%) Ships in 10 - 15 working days

Compendium of Hydrogen Energy Volume 4: Hydrogen Use, Safety and the Hydrogen Economy focuses on the uses of hydrogen. As many experts believe the hydrogen economy will, at some point, replace the fossil fuel economy as the primary source of the world's energy, this book investigates the uses of this energy, from transport, to stationary and portable applications, with final sections discussing the difficulties and possibilities of the widespread adoption of the hydrogen economy.

Progress and Visions in Quantum Theory in View of Gravity - Bridging Foundations of Physics and Mathematics (Hardcover, 1st ed.... Progress and Visions in Quantum Theory in View of Gravity - Bridging Foundations of Physics and Mathematics (Hardcover, 1st ed. 2020)
Felix Finster, Domenico Giulini, Johannes Kleiner, Jurgen Tolksdorf
R2,684 Discovery Miles 26 840 Ships in 18 - 22 working days

This book focuses on a critical discussion of the status and prospects of current approaches in quantum mechanics and quantum field theory, in particular concerning gravity. It contains a carefully selected cross-section of lectures and discussions at the seventh conference "Progress and Visions in Quantum Theory in View of Gravity" which took place in fall 2018 at the Max Planck Institute for Mathematics in the Sciences in Leipzig. In contrast to usual proceeding volumes, instead of reporting on the most recent technical results, contributors were asked to discuss visions and new ideas in foundational physics, in particular concerning foundations of quantum field theory. A special focus has been put on the question of which physical principles of quantum (field) theory can be considered fundamental in view of gravity. The book is mainly addressed to mathematicians and physicists who are interested in fundamental questions of mathematical physics. It allows the reader to obtain a broad and up-to-date overview of a fascinating active research area.

Contesting Hydropower in the Brazilian Amazon (Paperback): Ed Atkins Contesting Hydropower in the Brazilian Amazon (Paperback)
Ed Atkins
R1,375 Discovery Miles 13 750 Ships in 10 - 15 working days

In Contesting Hydropower in the Brazilian Amazon, Ed Atkins focuses on how local, national, and international civil society groups have resisted the Belo Monte and Sao Luiz do Tapajos hydroelectric projects in Brazil. In doing so, Atkins explores how contemporary opposition to hydropower projects demonstrate a form of 'contested sustainability' that highlights the need for sustainable energy transitions to take more into account than merely greenhouse gas emissions. The assertion that society must look to successfully transition away from fossil fuels and towards sustainable energy sources often appears assured in contemporary environmental governance. However, what is less certain is who decides which forms of energy are deemed 'sustainable.' Contesting Hydropower in the Brazilian Amazon explores one process in which the sustainability of a 'green' energy source is contested. It focuses on how civil society actors have both challenged and reconfigured dominant pro-dam assertions that present the hydropower schemes studied as renewable energy projects that contribute to sustainable development agendas. The volume also examines in detail how anti-dam actors act to render visible the political interests behind a project, whilst at the same time linking the resistance movement to wider questions of contemporary environmental politics. This interdisciplinary work will be of great interest to students and scholars of sustainable development, sustainable energy transitions, environmental justice, environmental governance, and development studies.

Mechanics - An Intensive Course (Hardcover, 2012): Masud Chaichian, Ioan Merches, Anca Tureanu Mechanics - An Intensive Course (Hardcover, 2012)
Masud Chaichian, Ioan Merches, Anca Tureanu
R2,280 Discovery Miles 22 800 Ships in 18 - 22 working days

Mechanics is one of the oldest and at the same time newest disciplines, in the sense that there are methods and principles developed first in mechanics but now widely used in almost all branches of physics: electrodynamics, quantum mechanics, classical and quantum field theory, special and general theory of relativity, etc. More than that, there are some formalisms like Lagrangian and Hamiltonian approaches, which represent the key stone for the development of the above-mentioned disciplines.

During the last 20-25 years, classical mechanics has undergone an important revival associated with the progress in non-linear dynamics, applications of Noether's theorem and the extension of variational principles in various interdisciplinary sciences (for instance, magnetofluid dynamics). Thus, there ought to exist a book concerned with the applied analytical formalism, first developed in the frame of theoretical mechanics, which has proved to be one of the most efficient tools of investigation in the entire arena of science.

The present book is an outcome of the authors' teaching experience over many years in different countries and for different students studying diverse fields of physics. The book is intended for students at the level of undergraduate and graduate studies in physics, engineering, astronomy, applied mathematics and for researchers working in related subjects.

We hope that the original presentation and the distribution of the topics, the various applications in many branches of physics and the set of more than 100 proposed problems, shall make this book a comprehensive and useful tool for students and researchers.

The present book is an outcome of the authors' teaching experience over many years in different countries and for different students studying diverse fields of physics. The book is intended for students at the level of undergraduate and graduate studies in physics, engineering, astronomy, applied mathematics and for researchers working in related subjects.

We hope that the original presentation and the distribution of the topics, the various applications in many branches of physics and the set of more than 100 proposed problems, shall make this book a comprehensive and useful tool for students and researchers."

Fundamentals of Continuum Mechanics - With Applications to Mechanical, Thermomechanical, and Smart Materials (Hardcover):... Fundamentals of Continuum Mechanics - With Applications to Mechanical, Thermomechanical, and Smart Materials (Hardcover)
Stephen Bechtel, Robert Lowe
R2,565 Discovery Miles 25 650 Ships in 10 - 15 working days

"Fundamentals of Continuum Mechanics" provides a clear and rigorous presentation of continuum mechanics for engineers, physicists, and materials scientists. This book uses a first-principles-based approach to continuum-level characterization, design, and modeling. While emphasizing modern materials research, it also devotes special attention to constrained materials (for example, incompressible fluids) and the continuum characterization of TEMM smart materials. A wealth of carefully chosen examples and exercises illuminate the subject matter and facilitate self-study.
Uses direct notation for a clear and straightforward math presentation, leading to better understanding of the underlying physicsCovers high-interest research areas such as constrained materials and characterization of smart materials used in intelligent systems and structuresOffers a unique approach to covering thermomechanical constraints, based on the authors own research"

Friction and Wear of Materials 2e (Hardcover, Reissued 2nd Ed): E. Rabinowicz Friction and Wear of Materials 2e (Hardcover, Reissued 2nd Ed)
E. Rabinowicz
R3,979 Discovery Miles 39 790 Ships in 18 - 22 working days

Friction and Wear of Materials Second Edition Written by one of the world’s foremost authorities on friction, this classic book offers a lucid presentation of the theory of mechanical surface interactions as it applies to friction, wear, adhesion, and boundary lubrication. To aid engineers in design decisions, Friction and Wear of Materials evaluates the properties of materials which, under specified conditions, cause one material to function better as a bearing material than another. Featured also are thorough treatments of lubricants and the sizes and shapes of wear particles. This updated Second Edition includes new material on erosive wear, impact wear, and friction. Professor Rabinowicz’s book will be especially welcomed by mechanical and design engineers, surface scientists, tribologists and others who design, produce and operate products, machines and equipment which involve friction and its effects.

Nanogenerators - Basic Concepts, Design Strategies, and Applications (Hardcover): Inam Uddin, Mohd Imran Ahamed, Rajender... Nanogenerators - Basic Concepts, Design Strategies, and Applications (Hardcover)
Inam Uddin, Mohd Imran Ahamed, Rajender Boddula, Tariq Altalhi
R5,513 Discovery Miles 55 130 Ships in 10 - 15 working days

This book provides an in-depth review of the history, fundamental theory, design strategies, and applications of nanogenerators. Working principles, device mechanisms, material characteristics, types of nanogenerators, and their different uses are fully explored. Top researchers in the field of sustainable technology from different backgrounds and fields contribute their expertise to deliver a must-have practical resource for students, academic researchers, and industry professionals. FEATURES Describes the fundamental aspects and theory of nanogenerators Explores design strategies including material assessment based upon planned application Tailors the introduction and essential concept discussion for the industrial and research community Explores current applications, existing challenges, and the future outlook for the field

Emerging Technologies for Sustainable and Smart Energy (Hardcover): Anirbid Sircar, Gautami Tripathi, Namrata Bist, Kashish Ara... Emerging Technologies for Sustainable and Smart Energy (Hardcover)
Anirbid Sircar, Gautami Tripathi, Namrata Bist, Kashish Ara Shakil, Mithileysh Sathiyanarayanan
R3,653 Discovery Miles 36 530 Ships in 10 - 15 working days

Focuses on the role and significance of emerging technologies for the energy sector in a smart city ecosystem Provides insight into some real-world examples and case studies on the inclusion of emerging technologies in the energy sector Explains merging unconventional energy and renewable energy with the latest and most forward-looking technologies such as artificial intelligence and Internet of Things in everyday energy requirements as well as their role in forecasting the energy needs of the future.

Conceptual Theories in Structural Dynamics (Hardcover, 1st ed. 2020): Farzad Hejazi, Tan Kar Chun Conceptual Theories in Structural Dynamics (Hardcover, 1st ed. 2020)
Farzad Hejazi, Tan Kar Chun
R1,419 Discovery Miles 14 190 Ships in 18 - 22 working days

This book discusses the conceptual theory of structural dynamics, using simplified methods and clear, concise explanations. It illustrates all the hypotheses in a simple and effective way and describes in detail the derivation of all related formulations. Further, comprehensive step-by-step explanations combined with conceptual derivations, drawings and figures allow readers to grasp all the analytical formulations related to the dynamics of structures. Covering free and forced vibrations of single- and multi-degree of freedom systems represented as structure, subjected to dynamic load, the book also explores the most common types of dynamic loads applicable to structures, such as harmonic loads, impact loads and earthquakes, presenting relevant details, derivations and effective problems to explain the concept for various conditions. In addition, each chapter provides examples at different levels to help students, researchers and engineers gain a better understanding of the topics better, and includes numerous real-world problems to familiarize readers with the challenges related to structural engineering.

Environmental Compliance Guide for Facility Managers and Engineers (Hardcover): Rengasamy Kasinathan Environmental Compliance Guide for Facility Managers and Engineers (Hardcover)
Rengasamy Kasinathan
R3,673 Discovery Miles 36 730 Ships in 10 - 15 working days

1. Guides facility engineers and managers with a clear and logical exposition of topics, developments, and valuable regulatory frameworks for appropriate preparation and compliance. 2. Provides detailed explanations of procedures for emission reduction and improved efficiency and productivity. 3. Emphasizes the importance of continuing education in compliance to prevent high penalties for facilities. 4. Includes real-life applications and case studies on reducing energy baseline and current operating methods, providing formulas and calculations. 5. Addresses regulatory knowledge for operating systems in cities with a dense population in the US and countries with similar regulatory frameworks.

Nanoclusters and Microparticles in Gases and Vapors (Hardcover): Boris M. Smirnov Nanoclusters and Microparticles in Gases and Vapors (Hardcover)
Boris M. Smirnov
R5,026 Discovery Miles 50 260 Ships in 10 - 15 working days

Various nanoclusters and microparticles are considered in excited and ionized gases, as well as various processes with their participation. The concepts of these processes were developed 50 - 100 years ago mostly for dense media, and basing on these concepts, we analyze these processes in gases in two opposite regimes, so that in the kinetic regime surrounding atoms of a buffer gas do not partake in processesinvolving small particles, and the diffusion regime corresponds to a dense gas where interaction of small particles with a buffer gas subjects to laws of hydrodynamics. For calculation or estimation of the rates of these processes, we are based on the liquid drop model for small particles which was introduced in physics by N. Bohr about 80 years ago for the analysis of properties of atomic nuclei including the nuclear fusion and the hard sphere model (or the model of billiard balls) which was used by J. C. Maxwell 150 years ago and helped to create the kinetic theory of gases. These models along with the analysis of their accuracy allow one to study various processes, such as transport processes in gases involving small particles, charging of small particles in gases, chemical processes, atom attachment and quenching of excited atomic particles on the surface of a small particle, nucleation processes for small particles including coagulation, coalescence and growth of fractal aggregates, chain aggregates, fractal fibres and aerogels. Each analysis is finished by analytic formulas or simple models which allow us to calculate the rate of a certain real process with a known accuracy or to estimate this, and criteria of validity are given for these expressions obtained. Examples of real objects and processes involving small particles are analyzed.

The Transition to Chaos - Conservative Classical and Quantum Systems (Hardcover, 3rd ed. 2021): Linda Reichl The Transition to Chaos - Conservative Classical and Quantum Systems (Hardcover, 3rd ed. 2021)
Linda Reichl
R4,792 Discovery Miles 47 920 Ships in 18 - 22 working days

Based on courses given at the universities of Texas and California, this book treats an active field of research that touches upon the foundations of physics and chemistry. It presents, in as simple a manner as possible, the basic mechanisms that determine the dynamical evolution of both classical and quantum systems in sufficient generality to include quantum phenomena. The book begins with a discussion of Noether's theorem, integrability, KAM theory, and a definition of chaotic behavior; continues with a detailed discussion of area-preserving maps, integrable quantum systems, spectral properties, path integrals, and periodically driven systems; and concludes by showing how to apply the ideas to stochastic systems. The presentation is complete and self-contained; appendices provide much of the needed mathematical background, and there are extensive references to the current literature; while problems at the ends of chapters help students clarify their understanding. This new edition has an updated presentation throughout, and a new chapter on open quantum systems.

Notes on Continuum Mechanics (Hardcover, 2013 ed.): Eduardo W. V. Chaves Notes on Continuum Mechanics (Hardcover, 2013 ed.)
Eduardo W. V. Chaves
R3,242 Discovery Miles 32 420 Ships in 18 - 22 working days

This publication is aimed at students, teachers, and researchers of Continuum Mechanics and focused extensively on stating and developing Initial Boundary Value equations used to solve physical problems. With respect to notation, the tensorial, indicial and Voigt notations have been used indiscriminately. The book is divided into twelve chapters with the following topics: Tensors, Continuum Kinematics, Stress, The Objectivity of Tensors, The Fundamental Equations of Continuum Mechanics, An Introduction to Constitutive Equations, Linear Elasticity, Hyperelasticity, Plasticity (small and large deformations), Thermoelasticity (small and large deformations), Damage Mechanics (small and large deformations), and An Introduction to Fluids. Moreover, the text is supplemented with over 280 figures, over 100 solved problems, and 130 references.

The Energy Security-Climate Nexus - Institutional Change in the UK and Beyond (Hardcover): C. Kuzemko The Energy Security-Climate Nexus - Institutional Change in the UK and Beyond (Hardcover)
C. Kuzemko
R3,292 Discovery Miles 32 920 Ships in 10 - 15 working days

In the advent of important crises of both climate change and energy supply (in)security, questions are being asked about changes in energy governance. Caroline Kuzemko explains how and why change takes place and discusses the convoluted UK energy governance system that has emerged between 2000 and the present day. She applies a complex theoretical approach based on new institutional concepts of policy paradigm change, but which also utilises concepts of (de)politicisation and securitization. UK energy governance, like energy policy elsewhere, is moving from one heavily influenced by neoliberal economic ideas to one where state intervention is more commonplace. Moreover, the new governance system is informed not by one but by multiple perspectives on energy and governance - geopolitical, climate change and pro-market.

Power and Distribution Transformers - Practical Design Guide (Paperback): K.R.M. Nair Power and Distribution Transformers - Practical Design Guide (Paperback)
K.R.M. Nair
R2,089 Discovery Miles 20 890 Ships in 10 - 15 working days

This book is based on the author's 50+ years experience in the power and distribution transformer industry. The first few chapters of the book provide a step-by-step procedures of transformer design. Engineers without prior knowledge or exposure to design can follow the procedures and calculation methods to acquire reasonable proficiency necessary to designing a transformer. Although the transformer is a mature product, engineers working in the industry need to understand its fundamentals oand design to enable them to offer products to meet the challenging demands of the power system and the customer. This book can function as a useful guide for practicing engineers to undertake new designs, cost optimization, design automation etc., without the need for external help or consultancy. The book extensively covers the design processes with necessary data and calculations from a wide variety of transformers, including dry-type cast resin transformers, amorphous core transformers, earthing transformers, rectifier transformers, auto transformers, transformers for explosive atmospheres, and solid-state transformers. The other subjects covered include, carbon footprint salculation of transformers, condition monitoring of transformers and design optimization techniques. In addition to being useful for the transformer industry, this book can serve as a reference for power utility engineers, consultants, research scholars, and teaching faculty at universities.

Advances in Theory and Practice of Computational Mechanics - Proceedings of the 22nd International Conference on Computational... Advances in Theory and Practice of Computational Mechanics - Proceedings of the 22nd International Conference on Computational Mechanics and Modern Applied Software Systems (CMMASS 2021) (Hardcover, 1st ed. 2022)
Margarita N. Favorskaya, Ilia S. Nikitin, Natalia S. Severina
R5,888 Discovery Miles 58 880 Ships in 18 - 22 working days

This book is a collection of peer-reviewed best selected research papers presented at 22nd International Conference on Computational Mechanics and Modern Applied Software Systems (CMMASS 2021), held at the Alushta Health and Educational Center, The Republic of Crimea, during 4-13 September 2021. The proceedings is dedicated to solving the real-world problems of applied mechanics using smart computational technology. Physical and mathematical models, numerical methods, computational algorithms and software complexes are discussed, which allow to carry out high-precision mathematical modelling in fluid, gas and plasma mechanics, in general mechanics, deformable solid mechanics, in strength, destruction and safety of structures, etc. Smart technologies and software systems that provide effective solutions to the problems at various multi scale-levels are considered. Special attention is paid to the training of highly qualified specialists for the aviation and space industry.

Modelling Dynamics in Processes and Systems (Hardcover, 2009 ed.): Wojciech Mitkowski Modelling Dynamics in Processes and Systems (Hardcover, 2009 ed.)
Wojciech Mitkowski
R2,757 Discovery Miles 27 570 Ships in 18 - 22 working days

Dynamics is what characterizes virtually all phenomenae we face in the real world, and processes that proceed in practically all kinds of inanimate and animate systems, notably social systems. For our purposes dynamics is viewed as time evolution of some characteristic features of the phenomenae or processes under consideration. It is obvious that in virtually all non-trivial problems dynamics can not be neglected, and should be taken into account in the analyses to, first, get insight into the problem consider, and second, to be able to obtain meaningful results.

A convenient tool to deal with dynamics and its related evolution over time is to use the concept of a dynamic system which, for the purposes of this volume can be characterized by the input (control), state and output spaces, and a state transition equation. Then, starting from an initial state, we can find a sequence of consecutive states (outputs) under consecutive inputs (controls). That is, we obtain a trajectory. The state transition equation may be given in various forms, exemplified by differential and difference equations, linear or nonlinear, deterministic or stochastic, or even fuzzy (imprecisely specified), fully or partially known, etc. These features can give rise to various problems the analysts may encounter like numerical difficulties, instability, strange forms of behavior (e.g. chaotic), etc.

This volume is concerned with some modern tools and techniques which can be useful for the modeling of dynamics. We focus our attention on two important areas which play a key role nowadays, namely automation and robotics, and biological systems. We also add some new applications which can greatly benefit from the availability of effective and efficient tools for modeling dynamics, exemplified by some applications in security systems.

Solid-Liquid Thermal Energy Storage - Modeling and Applications (Hardcover): Moghtada Mobedi, Kamel Hooman, Wen-Quan Tao Solid-Liquid Thermal Energy Storage - Modeling and Applications (Hardcover)
Moghtada Mobedi, Kamel Hooman, Wen-Quan Tao
R5,063 Discovery Miles 50 630 Ships in 10 - 15 working days

Solid-Liquid Thermal Energy Storage: Modeling and Applications provides a comprehensive overview of solid-liquid phase change thermal storage. Chapters are written by specialists from both academia and industry. Using recent studies on the improvement, modeling, and new applications of these systems, the book discusses innovative solutions for any potential drawbacks. This book: Discusses experimental studies in the field of solid-liquid phase change thermal storage Reviews recent research on phase change materials Covers various innovative applications of phase change materials (PCM) on the use of sustainable and renewable energy sources Presents recent developments on the theoretical modeling of these systems Explains advanced methods for enhancement of heat transfer in PCM This book is a reference for engineers and industry professionals involved in the use of renewable energy systems, energy storage, heating systems for buildings, sustainability design, etc. It can also benefit graduate students taking courses in heat transfer, energy engineering, advanced materials, and heating systems.

Unified Non-Local Theory of Transport Processes - Generalized Boltzmann Physical Kinetics (Hardcover, 2nd edition): Boris V... Unified Non-Local Theory of Transport Processes - Generalized Boltzmann Physical Kinetics (Hardcover, 2nd edition)
Boris V Alexeev
R4,884 R4,534 Discovery Miles 45 340 Save R350 (7%) Ships in 10 - 15 working days

Unified Non-Local Theory of Transport Processess, 2nd Edition provides a new theory of transport processes in gases, plasmas and liquids. It is shown that the well-known Boltzmann equation, which is the basis of the classical kinetic theory, is incorrect in the definite sense. Additional terms need to be added leading to a dramatic change in transport theory. The result is a strict theory of turbulence and the possibility to calculate turbulent flows from the first principles of physics.

C1 Chemistry - Principles and Processes (Hardcover): Saeed Sahebdelfar, Maryam Takht Ravanchi, Ashok Kumar Nadda C1 Chemistry - Principles and Processes (Hardcover)
Saeed Sahebdelfar, Maryam Takht Ravanchi, Ashok Kumar Nadda
R3,659 Discovery Miles 36 590 Ships in 10 - 15 working days

Volatility of crude oil prices, depleting reservoirs and environmental concerns have stimulated worldwide research for alternative and sustainable sources of raw materials for chemicals and fuels. The idea of using single-carbon atom molecules as chemical building blocks is not new, and many such compounds have been techno-economically studied as raw materials for fuels. Nevertheless, unifying the scientific and technical issues under the topic of C1 chemistry is not as easy as it may appear. C1 Chemistry: Principles and Processes provides a comprehensive understanding of the chemical transformation from molecular to commercial plant scales and reviews the sources of C1 molecules, their conversion processes and the most recent achievements and research needs. This book: Describes the latest processes developments and introduces commercial technologies Covers a wide range of feedstocks, including greenhouse gases and organic wastes Details chemistry, thermodynamics, catalysis, kinetics and reactors for respective conversions Includes preparation and purification of C1 feedstocks, C1 molecule coupling reactions and process technologies for each C1 conversion reaction Considers environmental impacts and sustainability This book will be of interest to a wide range of researchers, academics, professionals and advanced students working in the chemical, environmental and energy sectors and offers readers insights into the challenges and opportunities in the active field of C1 chemistry.

The Vacuum Interrupter - Theory, Design, and Application (Paperback, 2nd edition): Paul G. Slade The Vacuum Interrupter - Theory, Design, and Application (Paperback, 2nd edition)
Paul G. Slade
R2,137 Discovery Miles 21 370 Ships in 10 - 15 working days

Title: The Vacuum Interrupter: Theory, Design, and ApplicationShelving guide: Electrical Engineering Dr. Paul Slade draws from his nearly six decades of active experience to develop this second edition of The Vacuum Interrupter: Theory, Design, and Application. This book begins by discussing the design requirements for high voltage vacuum interrupters and then the contact requirements to interrupt the vacuum arc. It then continues by describing the various applications in which the vacuum interrupter is generally utilized. Part 1 of this book begins with a detailed review of the vacuum breakdown process. It continues by covering the steps necessary for the design and the manufacture of a successful vacuum interrupter. The vacuum arc is then discussed, including how it is affected as a function of current. An overview of the development and use of practical contact materials, along with their advantages and disadvantages, follows. Contact designs that are introduced to control the high current vacuum arc are also analyzed. Part 2, on application, begins with a discussion of the arc interruption process for low current and high current vacuum arcs. It examines the voltage escalation phenomenon that can occur when interrupting inductive circuits. The occurrence of contact welding for closed contacts subjected to the passage of high currents, and for contacts when closing on high currents, is explored. The general requirements for the successful manufacture and testing of vacuum circuit breakers is then presented. The general application of vacuum interrupters to switch load currents, especially when applied to capacitor circuits, is also given. The interruption of high short circuit currents is presented along with the expected performance of the two major contact designs. Owing to the ever-increasing need for environmentally friendly circuit protection devices, the development and application of the vacuum interrupter will only increase in the future. At present the vacuum circuit breaker is the technology of choice for distribution circuits (5kV to 40.5kV). It is increasingly being applied to transmission circuits (72.5kV to 242kV). In the future, its application for protecting high voltage DC networks is assured. Audience This is a practical source book for engineers and scientists interested in studying the development and application of the vacuum interrupter Research scientists in industry and universities Graduate students beginning their study of vacuum interrupter phenomena Design engineers applying vacuum interrupters in vacuum switches, vacuum contactors, vacuum circuit breakers, and vacuum contactors It provides a unique and comprehensive review of all aspects of vacuum interrupter technology for those new to the subject and for those who wish to obtain a deeper understanding of its science and application Scientists and engineers, who are beginning their research into vacuum breakdown and aspects of the vacuum arc, will find the extensive bibliography and phenomenological descriptions to be a useful introduction

Applied Asymptotic Methods in Nonlinear Oscillations (Hardcover, 1997 ed.): Yuri A. Mitropolsky, Nguyen Van Dao Applied Asymptotic Methods in Nonlinear Oscillations (Hardcover, 1997 ed.)
Yuri A. Mitropolsky, Nguyen Van Dao
R4,199 Discovery Miles 41 990 Ships in 18 - 22 working days

Many dynamical systems are described by differential equations that can be separated into one part, containing linear terms with constant coefficients, and a second part, relatively small compared with the first, containing nonlinear terms. Such a system is said to be weakly nonlinear. The small terms rendering the system nonlinear are referred to as perturbations. A weakly nonlinear system is called quasi-linear and is governed by quasi-linear differential equations. We will be interested in systems that reduce to harmonic oscillators in the absence of perturbations. This book is devoted primarily to applied asymptotic methods in nonlinear oscillations which are associated with the names of N. M. Krylov, N. N. Bogoli ubov and Yu. A. Mitropolskii. The advantages of the present methods are their simplicity, especially for computing higher approximations, and their applicability to a large class of quasi-linear problems. In this book, we confine ourselves basi cally to the scheme proposed by Krylov, Bogoliubov as stated in the monographs 6,211. We use these methods, and also develop and improve them for solving new problems and new classes of nonlinear differential equations. Although these methods have many applications in Mechanics, Physics and Technique, we will illustrate them only with examples which clearly show their strength and which are themselves of great interest. A certain amount of more advanced material has also been included, making the book suitable for a senior elective or a beginning graduate course on nonlinear oscillations."

Multiscale Mechanics of Shock Wave Processes (Hardcover, 1st ed. 2021): Yurii Meshcheryakov Multiscale Mechanics of Shock Wave Processes (Hardcover, 1st ed. 2021)
Yurii Meshcheryakov
R3,663 Discovery Miles 36 630 Ships in 10 - 15 working days

This book presents theoretical and experimental investigations of mechanical behavior of solids under shock loading and highlights a multi-scale exchange process of energy and momentum between meso and macroscopic hierarchy. It also widely covers experimental approaches for the multi-scale response of solids to impacts including uniaxial strain conditions and high-velocity penetration processes. The content comprises two parts. The first part overviews modeling and theory of dynamically deformed solids from the multi-scale point of view. The second part describes experimental characterization of shock-induced solids and experimental probing of mesostructured and mesoscale dynamic processes in solids. The theory presented in the first part is then verified as it is compared with i) experiments of shock loading into different kinds of solids and ii) probed microstructure of post-shocked specimens by scanning electron microscopy, transmission electron microscopy and optical microscopy. The text is written on the basis of author's lectures at universities and thus is concisely described for postgraduate students. It is also useful for researchers who work on the theory of multi-scale mechanics of solids and engineers who work on testing materials under dynamic loading.

Petroleum Refineries - A Troubleshooting Guide (Hardcover): Dhananjoy Ghosh Petroleum Refineries - A Troubleshooting Guide (Hardcover)
Dhananjoy Ghosh
R3,402 Discovery Miles 34 020 Ships in 10 - 15 working days

In petroleum refineries, although there are sets of standard operating procedures to operate the plants, unique problems often arise, which need to be tackled with engineering knowledge and experience without much loss of energy and time. This process is termed 'troubleshooting', and it saves production loss, leading to profitability and sustainability of the refinery operation. This book covers the ins and outs of troubleshooting in petroleum refineries, with an analysis of the problems faced, the fundamentals behind them and logical reasoning and illustrations to solve the problems, along with lessons learnt. This is the first such book on the market since the publication of one by Norman P. Lieberman about 30 years ago, and there has been a massive change in technology since then. This book will not only enlighten practicing engineers in refineries and postgraduate students but also facilitate the creation of a knowledge bank on troubleshooting case studies, helping share engineering knowledge and experiences.

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