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Books > Professional & Technical > Mechanical engineering & materials > Mechanical engineering > Engines & power transmission
Boiler professionals require a strong command of both the theoretical and practical facets of water tube-boiler technology. From state-of-the-art boiler construction to mechanics of firing techniques, Boilers for Power and Process augments seasoned engineers' already-solid grasp of boiler fundamentals. A practical explanation of theory, it delivers a balanced analysis of the conceptual and functional aspects of boiler design and evolution. Project managers, consultants, and graduate students will also benefit from this handy desk book, which: - Describes boiler theory - Elaborates on the parts and sub-assemblies of the boiler and its essential auxiliaries - Explains firing systems, including FBC and HRSG Insights from a Professional with Decades of Experience Take advantage of the author's rare techno-commercial perspective and decades of hands-on international experience with industrial and utility boiler systems. Boilers for Power and Process builds on fundamentals - heat transfer, fluid flow, combustion, and fuels - using hundreds of illustrations and tables, a glossary of key terms, and appendices outlining essential calculations required for common processes. Ruthless Optimization Leads to Evolution Examining the latest breakthroughs in boiler technology, this reference details the evolution and what the author calls "ruthless" optimization of firing systems and boilers in the last 150 years. It explains why only the most fuel-flexible, dynamically responsive, best-constructed boilers are used today. This company-neutral text discusses competing designs and why different systems are particularly useful and cost-effective for certain business sectors and global regions. Succinct and easy to navigate, this text illustrates the practical business value and applications of different boilers, distilling the essential information, creating a must-have reference for an intimate understanding of boiler technology.
The numerical simulation of combustion processes in internal combustion engines, including also the formation of pollutants, has become increasingly important in the recent years, and today the simulation of those processes has already become an indispensable tool when - veloping new combustion concepts. While pure thermodynamic models are well-established tools that are in use for the simulation of the transient behavior of complex systems for a long time, the phenomenological models have become more important in the recent years and have also been implemented in these simulation programs. In contrast to this, the thr- dimensional simulation of in-cylinder combustion, i. e. the detailed, integrated and continuous simulation of the process chain injection, mixture formation, ignition, heat release due to combustion and formation of pollutants, has been significantly improved, but there is still a number of challenging problems to solve, regarding for example the exact description of s- processes like the structure of turbulence during combustion as well as the appropriate choice of the numerical grid. While chapter 2 includes a short introduction of functionality and operating modes of internal combustion engines, the basics of kinetic reactions are presented in chapter 3. In chapter 4 the physical and chemical processes taking place in the combustion chamber are described. Ch- ter 5 is about phenomenological multi-zone models, and in chapter 6 the formation of poll- ants is described.
Das Buch liefert eine luckenlose, anschauliche und theoretisch fundierte Darstellung der Wirkungsweise von Radaufhangungen. Konstrukteure, Versuchsingenieure und Berechnungsingenieure finden darin das notwendige Rustzeug zur kinematisch und elasto-kinematisch einwandfreien Entwicklung. Am Anfang stehen Uberlegungen zur Systematik der Radaufhangungen sowie zur kinematischen Analyse, ein Uberblick uber die wichtigsten Reifeneigenschaften und eine Betrachtung sowohl der Federungs- und Dampfungssysteme als auch der Elemente des Antriebsstranges (Gelenkwellen und Vorgelegegetriebe) in ihrem Zusammenspiel mit der Radaufhangung. Mit diesen Grundlagen werden typische Lastfalle wie Antrieb und Bremsung oder Kurvenfahrt und ihre Wechselwirkungen mit der Radaufhangung untersucht, wobei die Bedeutung der Elasto-Kinematik mit einem eigenen Kapitel unterstrichen wird. Da heute kein Fahrzeug mehr ohne elektronische Regelsysteme auskommt, gibt die dritte Auflage des Buches einen Uberblick uber diese Systeme."
Control Systems for Heating, Ventilating and Air Conditioning, Sixth Edition is complete and covers both hardware control systems and modern control technology. The material is presented without bias and without prejudice toward particular hardware or software. Readers with an engineering degree will be reminded of the psychrometric processes associated with heating and air conditioning as they learn of the various controls schemes used in the variety of heating and air conditioning system types they will encountered in the field. Maintenance technicians will also find the book useful because it describes various control hardware and control strategies that were used in the past and are prevalent in most existing heating and air conditioning systems. Designers of new systems will find the fundamentals described in this book to be a useful starting point, and they will also benefit from descriptions of new digital technologies and energy management systems. This technology is found in modern building HVAC system designs.
Conceived in the 1930s, simplified and successfully tested in the 1950s, the darling of the automotive industry in the early 1970s, then all but abandoned before resurging for a brilliant run as a high-performance powerplant for Mazda, the Wankel rotary engine has long been an object of fascination and more than a little mystery. A remarkably simple design (yet understood by few), it boasts compact size, light weight and nearly vibration-free operation. In the 1960s, German engineer Felix Wankel's invention was beginning to look like a revolution in the making. Though still in need of refinement, it held much promise as a smooth and powerful engine that could fit in smaller spaces than piston engines of similar output. Auto makers lined up for licensing rights to build their own Wankels, and for a time analysts predicted that much of the industry would convert to rotary power. This complete and well-illustrated account traces the full history of the engine and its use in various cars, motorcycles, snowmobiles and other applications. It clearly explains the working of the engine and the technical challenges it presented - the difficulty of designing effective and durable seals, early emissions troubles, high fuel consumption, and others. The work done by several companies to overcome these problems is described in detail, as are the economic and political troubles that nearly killed the rotary in the 1970s, and the prospects for future rotary-powered vehicles.
Thermal systems are essential features in power, chemical processing, air conditioning, and other industries where heat and power are used. As the cost and complexity of designing thermal systems have increased, the need to understand and improve the design process has also grown. This book describes recent progress in the design of thermal systems. The book begins with a brief history and outline of developments in thermal system design. Chapters then discuss computer design tools for the power and chemical industries, predicting physical properties with computational tools, the use of 'pinch analysis' to improve thermal efficiency, applications of the exergy concept, the emerging concept of thermoeconomics, and the potential for artificial intelligence and expert systems in the design of thermal systems. With chapters written by internationally recognised authorities, the book offers a state-of-the-art review for both researchers and practitioners in mechanical, aerospace, chemical, and power engineering.
This book reports the state of the art of energy-efficient electrical motor driven system technologies, which can be used now and in the near future to achieve significant and cost-effective energy savings. It includes the recent developments in advanced electrical motor end-use devices (pumps, fans and compressors) by some of the largest manufacturers. Policies and programs to promote the large scale penetration of energy-efficient technologies and the market transformation are featured in the book, describing the experiences carried out in different parts of the world. This extensive coverage includes contributions from relevant institutions in the Europe, North America, Latin America, Africa, Asia, Australia and New Zealand.
Engineering curricula are notoriously demanding. One way to make the material easier to grasp and more fun to learn is to emphasize the experimental or "hands-on" aspects of engineering problems. This unique book is about learning through active participation in laboratory experiments, and it specifically aims to dispel some of the mystery so many students associate with the study of thermodynamics and heat transfer. In it, the author presents a collection of experiments in heat transfer and thermodynamics contributed by leading engineering educators. The experiments have been tested, evaluated, and proved successful for classroom use. Each experiment follows the same step-by-step format, which includes the objective of the experiment, apparatus needed, procedure, suggested headings, and references. The experiments use apparatus that is easily built or attainable. Among the topics covered are heat conduction, convection, boiling, mixing, diffusion, radiation, heat pipes and exchangers, and thermodynamics. The book will be especially useful as a companion to standard heat transfer and thermodynamics texts.
This is the first comprehensive history of the steam engine in fifty years. It follows the development of reciprocating steam engines, from their earliest forms to the beginning of the twentieth century when they were replaced by steam turbines.
During this century, as no other, the two themes of mathematics and heat transfer have become inextricably intertwined, and it was with this underlying sentiment that this volume was conceived. It includes contributions from fifteen countries throughout the world, covering various problems in heat transfer. The contributors work in diverse fields and include mathematicians, theoretical engineers, experimentalists and industrialists.
For those who wish to broaden their knowledge of jet engine technology and associated subjects. Jet Engines covers turbojet, turboprop and turbofan designs and is applicable to civilian and military usage. Starting with an overview of the main design types and fundamentals, it goes on to look at topics such as air intakes, compressors, and exhaust systems. Throughout the book, examples of the engine-to-aircraft relationship are used to follow the application of certain engine types to operational requirements. Why was the Pratt & Whitney TF33-P-7 turbofan selected to power the mighty Lockheed C-141 StarLifter? Why should one airline flying Boeing 747-400s select the Rolls-Royce RB211 turbofan and another select General Electric's CF6-80C2? Clearly it is not only aircraft types but also their operational requirements that dictate the answers - and that is why there is such a wide variety of gas turbine engines in production today.
This book, with the CD-ROM included, is the documentation of a
unique collaborative effort in evaluating formal methods for usage
under industrial constraints: the major techniques for formally
supported specification, design, and verification of large programs
and complex systems are applied to a non-trivial and non-academic
problem which is typical for industrial informal requirements
specifications.
This text explains the basic fluid mechanics and thermodynamics underlying the design of pumps, fans, compressors and turbines in an uncomplicated way, with many examples and worked exercises. By treating the machines as either centrifugal, centripetal or axial flow devices, it explains the basic principles of each and clarifies their similarities and differences. The book covers problems such as cavitation, refers to computer-based exercises wherever possible and includes information on the current advances in analysis and performance control.
Combustion is very much an interdisciplinary topic, drawing together elements of chemistry, fluid mechanics and heat transfer. It is an ingredient in many undergraduate degree programmes, ranging from a pivotal role in fuel science through to a component part of courses in chemical, process and building services engineering. For many students in those disciplines where combustion in heating plant is an important part of their studies, there are often problems in coming to grips with the basic principles underlying the combustion of hydrocarbon fuels. In particular, the concepts of chemical and related thermodynamic changes can prove difficult to assimilate. The scientific literature dealing with combustion tends to be rather polarised, with a wealth of literature aimed at the specialist reader, but at a basic level the fundamentals of this important process are often treated rather tersely in textbooks on thermodynamics. The objective of this book is to provide an introduction to the basic principles of the combustion of hydrocarbon fuels in heating plant for buildings and industrial processes. In those chapters where practice in problem solving can make a positive contribution to understanding, some numerical problems have been included. Acknowledging the ever-widening use of computers in technical education, a number of algorithms which can be easily coded up for solving numerical problems have been incorporated in the text. These can prove particularly useful in, for example, the calculation of certain fluid properties, either for use in hand calculation or for incorporation into larger programs.
As the title implies, this book provides an introduction to thermodynamics for students on degree and HND courses in engineering. These courses are placing increased emphasis on business, design, management, and manufacture. As a consequence, the direct class-time for thermodynamics is being reduced and students are encouraged to self learn. This book has been written with this in mind. The text is brief and to the point, with a minimum of mathematical content. Each chapter defines a list of aims and concludes with a short summary. The summary provides an overview of the key words, phrases and equations introduced within the chapter. It is recognized that students see thermodynamics as a problem-solving activity and this is reflected by the emphasis on the modelling of situations. As a guide to problem solving, worked examples are included throughout the book. In addition, students are encouraged to work through the problems at the end of each chapter, for which outline solutions are provided. There is a certain timelessness about thermodynamics because the funda mentals do not change. However, there is currently some debate over which sign convention should apply to work entering, or leaving, a thermodynamic system. I have retained the traditional convention of work out of a system being positive. This fits in with the concept of a heat engine as a device that takes in heat and, as a result, produces positive work."
Twentyfour years have gone by since the publication of K. Lohner and H. Muller's comprehen sive work "Gemischbildung und Verbrennung im Ottomotor" in 1967 1.1]' Naturally, the field of mixture formation and combustion in the spark-ignition engine has wit nessed great technological advances and many new findings in the intervening years, so that the time seemed ripe for presenting a summary of recent research and developments. There fore, I gladly took up the suggestion of the editors of this series of books, Professor Dr. H. List and Professor Dr. A. Pischinger, to write a book summarizing the present state of the art. A center of activity of the Institute of Internal-Combustion Engines and Automotive Engineering at the Vienna Technical University, which I am heading, is the field of mixture formation -there fore, many new results that have been achieved in this area in collaboration with the respective industry have been included in this volume. The basic principles of combustion are discussed only to that extent which seemect necessary for an understanding of the effects of mixture formation. The focal point of this volume is the mixture formation in spark-ignition engines, covering both the theory and actual design of the mixture formation units and appropriate intake manifolds. Also, the related measurement technology is explained in this work."
The German R + D program "Solares Testzentrum Almeria" (SOTA) provided the scientific basis for the realization of advanced solar technologies including facility modifications, component tests and new lines of development. One of the working packages, WP 300, addressed the "Scientific Support" by the performance of preparatory studies, exploratory laboratory activities and qualified expertise. Universities, Research Institutes and Company R + D Entities in Germany were enabled to treat the following aspects: * Meteorological, system and cost investigations, * Development of important components as concentrator, receiver, storage, * Utilization of solar energy for process heat and chemical reactions. Besides the continued development of terminal concentrators, the studies concentrated in 1991 on the development of solar chemistry processes. The reports of the activities were finalized recently and collected in the present volume. The final reports were printed as received. The achieved results and the views expressed within the reports were under the responsibility of the authors. As organizers of these solar thermal activities and as editors of the corresponding final reports, we would like to thank BMFT and KFA-BEO for the farsighted funding (grant no. 0328823A) and the research groups for their engagement and consultations. We would also like to thank Ms S. Preusser and Ms U. Rachow, who among many others contributed to the realization of this volume.
The main concern of this book is the application of infinite moment theory to the problem of controllability of one-di- mensional vibrating systems (like strings and beams) and heating processes. Distributed as well as boundary control is considered. In the case of vibrating systems trigonometric moment pro- blems are to be investigated which is done on the basis of an abstract moment theory in Hilbert spaces. Equivalently, alsothe theory of linear operator equations on Hilbert spa- ces ( partly with unbounded operators) is applied to the problem of controllability and time-minimal controllability. In the case of heating processes exponential moment problems are to be dealt with which is done on the basis of an ab- stract moment theory in Banach spaces. Time-minimal control- lability is also treated with the aid of the theory of line- aroperator equations on Banach spaces. Some advanced knowledge in functional analyis and on partial differential equations is preassumed for a fluent reader of the book, but parts of it are also readable with basic ma- thematical knowledge (for instance, the finite-dimensional part of the introduction).
Das Bemessungskonzept "Betriebsfestigkeit" verfolgt das Ziel, Maschinen, Fahrzeuge oder andere Konstruktionen gegen zeitlich veranderliche Betriebslasten unter Berucksichtigung ihrer Umgebungsbedingungen fur eine bestimmte Nutzungsdauer zuverlassig bemessen zu koennen. Ingenieure, Wissenschaftler und Studenten finden in diesem Buch die experimentellen Grundlagen sowie erprobte und neuere Rechenverfahren der Betriebsfestigkeit fur eine ingenieurmassige Anwendung. Verfahren nach dem Nennspannungs-Konzept, dem Kerbgrund-Konzept und dem Bruchmechanik-Konzept werden vor ihrem theoretischen Hintergrund nach heutigem Erkenntnisstand behandelt. Der Autor zeigt auf, in welchen Grenzen die betreffenden Verfahren als verlasslich angesehen werden durfen. Zur Dauerfestigkeit bei hohen Schwingungszahlen sowie zu Eigenschaften von Faserverbundwerkstoffen wurden neue Erkenntnisse eingefugt. Fur den Betriebsfestigkeits-Nachweis in der Konstruktionspraxis gibt dieses Buch konkrete Hinweise.
This is the most up-to-date, comprehensive, and practical book on the subject available, explaining the concepts and related practical implementations of all major hot-wire anemometry applications. It introduces the logical framework for a computer-based HWA system and identifies the individual steps in the complete experimental procedure, ranging from probe selection to the presentation of analysed data. This major work will be invaluable as a reference for students, engineers, and researchers engaged in the field.
This is a text/reference illustrating thermal and hydraulic design of heat exchangers. The book shows how to apply the fundamentals of thermodynamics, heat transfer, and fluid dynamics for a systematic analysis of the phenomena in heat exchangers, important to energy effective operation in process plants.
This booklet is mainly meant for students at universities and colleges to solve problems in the field of power and chemical engineering, where water and steam are serving as working or process medium. Tables and diagrams will support engineers in research work and industrial practice too. All tabulated values given were recalculated; the thermodynamical properties have been calculated according to the 1984 IAPS formulation, the remaining properties result from IAPSs current releases. The increments for temperature and pressure for the saturation tables were decreased. In addition ten properties were added. Three new h,s-diagrams for compressed water will be useful in geographical and in jet cutting applications.
Fundiert und methodisch sauber fuhrt dieses Buch in die mathematischen und geometrischen Grundlagen der ebenen Kinematik sowie der Raum- und der Roboterkinematik ein. Anhand von zahlreichen Beispielen und einer Vielzahl von Illustrationen werden die hier verwendeten Verfahren erlautert. Die sehr allgemeine Darstellung versetzt den Leser in die Lage, neuartige Problemstellungen mit diesen Methoden zu bewaltigen. Insbesondere wird die UEbertragung auf den Computer erleichtert. Auch die klassischen Ergebnisse der ebenen und der Raumkinematik wurden so modern aufbereitet, dass ein nahtloser UEbergang zu neuesten Forschungsergebnissen der Roboterkinematik geschaffen wird. Die Autoren sind namhafte Hochschullehrer aus Technik und angewandter Mathematik.
This book is a result of teaching courses in the areas of Computer Methods in Power Systems, Digital Simulation of Power Systems, Power System Dynamics and Advanced Protective Relaying to undergraduate and graduate students in electrical engineering. The present edition includes a sub-section on solution procedure to include transmission losses using dynamic programming in the chapter on Economic Load Scheduling of Power System. In this edition an additional chapter on Load Forecasting has also been included. The present book deals with almost all the aspects of modern power system analysis such as network equations and its formulations, graph theory, symmetries inherent in power system components and its formulations, symmetries inherent in power system components and development of transformation matrices based solely upon symmetries, feasibility analysis and modelling of multi-phase systems, power system modelling including detailed analysis of synchronous machines, induction machines and composite loads, sparsity techniques, economic operation of power systems including derivation of transmission loss equation from the fundamental, solution of algebraic and differential equations and power system studies such as load flow, fault analysis and transient stability studies of a large scale power system including modern and related topics such as advanced protective relaying, digital protection and load forecasting. The book contains solved examples in these areas and also flow diagrams which will help on one hand to understand the theory and on the other hand, it will help the simulation of large scale power systems on the digital computer. The book will be easy to read and understand and will be useful to both undergraduate and graduate students in electrical engineering as well as to the engineers working in electricity boards and utilities etc.
The book presents the select proceedings of the 3rd International Conference on Computational and Experimental Methods (ICCEMME 2021). It covers the broad topic of industrial and production engineering such as sustainable manufacturing systems, rapid prototyping, manufacturing process optimization, machining, and machine tools, casting, welding, forming, machining, machine tools, computer-aided engineering, manufacturing management, automation and metrology. This book will be useful for the researchers and professionals working in the in the field of industrial and production engineering. |
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