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Lean Combustion

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Lean Combustion

Lean Combustion Book
Author : Derek Dunn-Rankin,Peter Therkelsen
Publisher : Academic Press
Release : 2016-07-01
ISBN : 0128005777
Language : En, Es, Fr & De

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Book Description :

Lean Combustion: Technology and Control, Second Edition outlines and explains the latest advances in lean combustion technology and systems. Combustion under sufficiently fuel-lean conditions can have the desirable attributes of high efficiency and low emissions. The book offers readers both the fundamentals and latest developments in how lean burn (broadly defined) can increase fuel economy and decrease emissions, while still achieving desired power output and performance. This volume brings together research and design of lean combustion systems across the technology spectrum in order to explore the state-of-the-art in lean combustion. Readers will learn about advances in the understanding of ultra-lean fuel mixtures and how new types of burners and approaches to managing heat flow can reduce problems often found with lean combustion (such as slow, difficult ignition and frequent flame extinction). This book offers abundant references and examples of real-world applications. New to this edition are significantly revised chapters on IC engines and stability/oscillations, and new case studies and examples. Written by a team of experts, this contributed reference book aims to teach its reader to maximize efficiency and minimize both economic and environmental costs. Presents a comprehensive collection of lean burn technology across potential applications, allowing readers to compare and contrast similarities and differences Provides an extensive update on IC engines including compression ignition (diesel), spark ignition, and homogeneous charge compression ignition (HCCI) Includes an extensive revision to the Stability/Oscillations chapter Includes use of alternative fuels such as biogas and hydrogen for relevant technologies Covers new developments in lean combustion using high levels of pre-heat and heat recirculating burners, as well as the active control of lean combustion instabilities

Lean Combustion

Lean Combustion Book
Author : Derek Dunn-Rankin
Publisher : Academic Press
Release : 2011-07-28
ISBN : 9780080550527
Language : En, Es, Fr & De

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Book Description :

Combustion under sufficiently fuel-lean conditions can have the desirable attributes of high efficiency and low emissions, this being particularly important in light of recent and rapid increases in the cost of fossil fuels and concerns over the links between combustion and global climate change. Lean Combustion is an eminently authoritative, reference work on the latest advances in lean combustion technology and systems. It will offer engineers working on combustion equipment and systems both the fundamentals and the latest developments in more efficient fuel usage and in much-sought-after reductions of undesirable emissions, while still achieving desired power output and performance. This volume brings together research and design of lean combustion systems across the technology spectrum in order to explore the state-of-the-art in lean combustion and its role in meeting current and future demands on combustion systems. Readers will learn about advances in the understanding of ultra lean fuel mixtures and how new types of burners and approaches to managing heat flow can reduce problems often found with lean combustion such as slow, difficult ignition and frequent flame extinction. The book will also offer abundant references and examples of recent real-world applications. Covers all major recent developments in lean combustion science and technology, with new applications in both traditional combustion schemes as well as such novel uses as highly preheated and hydrogen-fueled systems Offers techniques for overcoming difficult ignition problems and flame extinction with lean fuel mixtures Covers new developments in lean combustion using high levels of pre-heat and heat re-circulating burners, as well as the active control of lean combustion instabilities

Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emission

Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emission Book
Author : Gerald Roffe,K. S. Venkataramani
Publisher : Unknown
Release : 1978
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emission book written by Gerald Roffe,K. S. Venkataramani, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Flashback Mechanisms in Lean Premixed Gas Turbine Combustion

Flashback Mechanisms in Lean Premixed Gas Turbine Combustion Book
Author : Ali Cemal Benim,Khawar Jamil Syed
Publisher : Academic Press
Release : 2014-12-01
ISBN : 0128008261
Language : En, Es, Fr & De

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Book Description :

Blending fuels with hydrogen offers the potential to reduce NOx and CO2 emissions in gas turbines, but doing so introduces potential new problems such as flashback. Flashback can lead to thermal overload and destruction of hardware in the turbine engine, with potentially expensive consequences. The little research on flashback that is available is fragmented. Flashback Mechanisms in Lean Premixed Gas Turbine Combustion by Ali Cemal Benim will address not only the overall issue of the flashback phenomenon, but also the issue of fragmented and incomplete research. Presents a coherent review of flame flashback (a classic problem in premixed combustion) and its connection with the growing trend of popularity of more-efficient hydrogen-blend fuels Begins with a brief review of industrial gas turbine combustion technology Covers current environmental and economic motivations for replacing natural gas with hydrogen-blend fuels

Lean Limit Combustion in an Expanding Chamber

Lean Limit Combustion in an Expanding Chamber Book
Author : Owen Irby Smith
Publisher : Unknown
Release : 1977
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Lean Limit Combustion in an Expanding Chamber book written by Owen Irby Smith, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Physics of Turbulent Jet Ignition

Physics of Turbulent Jet Ignition Book
Author : Sayan Biswas
Publisher : Springer
Release : 2018-05-03
ISBN : 3319762435
Language : En, Es, Fr & De

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Book Description :

This book focuses on developing strategies for ultra-lean combustion of natural gas and hydrogen, and contributes to the research on extending the lean flammability limit of hydrogen and air using a hot supersonic jet. The author addresses experimental methods, data analysis techniques, and results throughout each chapter and: Explains the fundamental mechanisms behind turbulent hot jet ignition using non-dimensional analysis Explores ignition characteristics by impinging hot jet and multiple jets in relation to better controllability and lean combustion Explores how different instability modes interact with the acoustic modes of the combustion chamber. This book provides a potential answer to some of the issues that arise from lean engine operation, such as poor ignition, engine misfire, cycle-to-cycle variability, combustion instability, reduction in efficiency, and an increase in unburned hydrocarbon emissions. This thesis was submitted to and approved by Purdue University.

GAS Turbine Combustion Second Edition

GAS Turbine Combustion  Second Edition Book
Author : Arthur H. Lefebvre
Publisher : CRC Press
Release : 1998-09-01
ISBN : 9781560326731
Language : En, Es, Fr & De

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Book Description :

This revised edition provides understanding of the basic physical, chemical, and aerodynamic processes associated with gas turbine combustion and their relevance and application to combustor performance and design. It also introduces the many new concepts for ultra-low emissions combustors, and new advances in fuel preparation and liner wall-cooling techniques for their success. It details advanced and practical approaches to combustor design for the clean burning of alternative liquid fuels derived from oil shades, tar sands, and coal. Additional topics include diffusers, combustion performance fuel injection, combustion noise, heat transfer, and emissions.

Cleaner Combustion

Cleaner Combustion Book
Author : Derek Dunn-Rankin,Yu-Chien Chien
Publisher : MDPI
Release : 2019-11-20
ISBN : 3039214772
Language : En, Es, Fr & De

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Book Description :

This volume provides unique views of combustion from many technical and international research perspectives. Combustion science is often considered from its negative environmental impact, where we find, instead, that energy release from fuels of all kinds have promoted human endeavor throughout history. This volume tries to capture some of these positive features by showing a range of work examining unusual fuels and controlling the pollution from them.

Advances in IC Engines and Combustion Technology

Advances in IC Engines and Combustion Technology Book
Author : Ashwani K. Gupta,Hukam C. Mongia,Pankaj Chandna,Gulshan Sachdeva
Publisher : Springer Nature
Release : 2020-08-18
ISBN : 9811559961
Language : En, Es, Fr & De

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Book Description :

This book comprises select peer-reviewed proceedings of the 26th National Conference on IC Engines and Combustion (NCICEC) 2019 which was organised by the Department of Mechanical Engineering, National Institute of Technology Kurukshetra under the aegis of The Combustion Institute-Indian Section (CIIS). The book covers latest research and developments in the areas of combustion and propulsion, exhaust emissions, gas turbines, hybrid vehicles, IC engines, and alternative fuels. The contents include theoretical and numerical tools applied to a wide range of combustion problems, and also discusses their applications. This book can be a good reference for engineers, educators and researchers working in the area of IC engines and combustion.

The John Zink Hamworthy Combustion Handbook Second Edition

The John Zink Hamworthy Combustion Handbook  Second Edition Book
Author : Charles E. Baukal, Jr.
Publisher : CRC Press
Release : 2013-08-23
ISBN : 1439839662
Language : En, Es, Fr & De

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Book Description :

Despite the length of time it has been around, its importance, and vast amounts of research, combustion is still far from being completely understood. Issues regarding the environment, cost, and fuel consumption add further complexity, particularly in the process and power generation industries. Dedicated to advancing the art and science of industrial combustion, The John Zink Hamworthy Combustion Handbook, Second Edition: Volume 3 – Applications offers comprehensive, up-to-date coverage of equipment used in the process and power generation industries. Under the leadership of Charles E. Baukal, Jr., top engineers and technologists from John Zink Hamworthy Combustion examine industry applications such as process burners, boiler burners, process flares, thermal oxidizers, and vapor control. This volume builds on the concepts covered in the first two volumes and shows how they are used in combustion applications. The book also features a wealth of color illustrations, photographs, and tables throughout. What’s New in This Edition Expanded to three volumes, with Volume 3 focusing on important industry applications Extensive updates and revisions throughout, reflecting new standards, energy sources, processes, and conservation concerns Expanded coverage of flares and new coverage of biogas flares and flare gas recovery Information on vapor combustors Discussion of pollution control equipment Expanded coverage of commercial and utility boiler burners Chapters on process and air heaters More material on thermal oxidizers A new chapter on marine and offshore applications The third of three volumes in the new, expanded edition of the bestselling handbook, this volume helps you broaden your knowledge of industrial combustion applications to better meet the challenges of this field. For the other volumes in the set, see The John Zink Hamworthy Combustion Handbook, Second Edition: Three-Volume Set.

FUNDAMENTALS OF INTERNAL COMBUSTION ENGINES

FUNDAMENTALS OF INTERNAL COMBUSTION ENGINES Book
Author : H. N. GUPTA
Publisher : PHI Learning Pvt. Ltd.
Release : 2012-12-10
ISBN : 8120346807
Language : En, Es, Fr & De

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Book Description :

Providing a comprehensive introduction to the basics of Internal Combustion Engines, this book is suitable for: Undergraduate-level courses in mechanical engineering, aeronautical engineering, and automobile engineering. Postgraduate-level courses (Thermal Engineering) in mechanical engineering. A.M.I.E. (Section B) courses in mechanical engineering. Competitive examinations, such as Civil Services, Engineering Services, GATE, etc. In addition, the book can be used for refresher courses for professionals in auto-mobile industries. Coverage Includes Analysis of processes (thermodynamic, combustion, fluid flow, heat transfer, friction and lubrication) relevant to design, performance, efficiency, fuel and emission requirements of internal combustion engines. Special topics such as reactive systems, unburned and burned mixture charts, fuel-line hydraulics, side thrust on the cylinder walls, etc. Modern developments such as electronic fuel injection systems, electronic ignition systems, electronic indicators, exhaust emission requirements, etc. The Second Edition includes new sections on geometry of reciprocating engine, engine performance parameters, alternative fuels for IC engines, Carnot cycle, Stirling cycle, Ericsson cycle, Lenoir cycle, Miller cycle, crankcase ventilation, supercharger controls and homogeneous charge compression ignition engines. Besides, air-standard cycles, latest advances in fuel-injection system in SI engine and gasoline direct injection are discussed in detail. New problems and examples have been added to several chapters. Key Features Explains basic principles and applications in a clear, concise, and easy-to-read manner Richly illustrated to promote a fuller understanding of the subject SI units are used throughout Example problems illustrate applications of theory End-of-chapter review questions and problems help students reinforce and apply key concepts Provides answers to all numerical problems

Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emission

Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emission Book
Author : Gerald Roffe,K. S. Venkataramani
Publisher : Unknown
Release : 1978
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emission book written by Gerald Roffe,K. S. Venkataramani, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Lean Burn and Stratified Combustion Strategies for Small Utility Engines

Lean Burn and Stratified Combustion Strategies for Small Utility Engines Book
Author : Chandan Mahato
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The research presented in this thesis is an effort to improve small engine combustion through the application of lean combustion. The first part of the research is focused on conducting an experimental investigation into the application of lean burn strategy on a single cylinder OHV utility engine to reduce engine-out emissions and at the same time maintain acceptable cyclic variability in combustion. The parameters of interest to investigate cyclic variability in combustion were spark plug variations, load control and charge stratification. The main findings showed that the spark discharge energy had a major influence on engine performance. It was also found that the engine can be operated at a high volumetric efficiency and very lean AFR at 75% and 50% load by the use of fuel injection. This is especially helpful for small engines operating on the EPA B-cycle. The second part of the research deals with the study of a Flat head, also known as side valve (SV) engine platform. A novel approach to lean combustion in a flat head engine is proposed by directly injecting gasoline fuel into the combustion chamber. The main advantage of the direct injection flat head (DIFH) engine over the conventional OHV GDI engine is its simplicity in design, low cost and, greater flexibility in placement of key engine performance hardware in the cylinder head. To first understand the behavior of the in-cylinder air motion, the air-flow structure developing within the combustion chamber was investigated using PIV techniques. The results show that squish is the dominant turbulence generating mean flow structure in the combustion chamber of the DIFH engine. Although the DIFH engine produced about 8 times more UHC emissions as compared to the conventional spark ignited OHV engines, it produced about 5 times less CO emissions as compared to the OHV engine and showed a 16% improvement in brake specific fuel consumption. The current combustion chamber has a dual chamber design exhibiting different combustion mechanisms in both the chambers, causing complex undesirable interactions between key engine performance parameters. Based on these fundamental studies a new combustion chamber design is presented for better performance.

Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emissions

Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emissions Book
Author : Gerald Roffe
Publisher : Unknown
Release : 1978
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Experimental Study of the Effect of Cycle Pressure on Lean Combustion Emissions book written by Gerald Roffe, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Effects of Percentage of Blockage and Flameholder Downstream Counterbores on Lean Combustion Limits of Premixed Prevaporized Propane air Mixture

Effects of Percentage of Blockage and Flameholder Downstream Counterbores on Lean Combustion Limits of Premixed  Prevaporized Propane air Mixture Book
Author : María A. Bosque Fernández
Publisher : Unknown
Release : 1983
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Effects of Percentage of Blockage and Flameholder Downstream Counterbores on Lean Combustion Limits of Premixed Prevaporized Propane air Mixture book written by María A. Bosque Fernández, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

NOx Reduction in Rich Catalytic Quick Lean Combustion of Synthesis Gas and in Ethanol Selective Catalytic Reduction

NOx Reduction in Rich Catalytic Quick Lean Combustion of Synthesis Gas and in Ethanol Selective Catalytic Reduction Book
Author : Yuk Fai Tham
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download NOx Reduction in Rich Catalytic Quick Lean Combustion of Synthesis Gas and in Ethanol Selective Catalytic Reduction book written by Yuk Fai Tham, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Energy and Combustion Science

Energy and Combustion Science Book
Author : N. A. Chigier
Publisher : Elsevier
Release : 2013-10-22
ISBN : 148318224X
Language : En, Es, Fr & De

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Book Description :

Energy and Combustion Science is a collection of papers that covers advancement in the field of energy and combustion science. The materials presented in the book are organized thematically into parts. The text first covers the issues, concerns, problems of the contemporary combustion technology. The subsequent parts of the book cover various areas in combustions science, namely, pollution, gas, oil, coal, and engines. Most of the articles in the book are concerned with the byproduct of fuel combustion. The text will be of great use to students, researchers, and practitioners of disciplines that deal with the energy and combustion technology.

Combustion Characteristics of Turbo Charged DISI engines

Combustion Characteristics of Turbo Charged DISI engines Book
Author : Henrik Hoffmeyer
Publisher : Logos Verlag Berlin GmbH
Release : 2012
ISBN : 3832530797
Language : En, Es, Fr & De

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Book Description :

In spite of progress in the development of alternative powertrain systems and energy sources, the internal combustion and all its derivates still are and will be the main powertrain for automobiles. In SI-engines, several approaches compete with each other like the controlled auto ignition (CAI or HCCI), throttle-free load control using variable valvetrains, stratified mixture formation with lean engine operation or highly turbo charged downsizing concepts all combined with gasoline direct injection. The presented work makes a contribution for a deeper understanding of the combustion process of a turbo charged direct injection engine operating with external EGR as well as lean stratified mixture. Using detailed test bench investigations and introducing a new optical measurement tool, the combustion process is described in detail focusing on the occurrence of non-premixed combustion phenomena. The influence of engine parameters like global and local air-/fuel ratio, external EGR and fuel rail pressure as well as the influence of fuel parameters are discussed giving a characterization of the combustion process of stratified engine operation. Furthermore, the influences of non-inert exhaust gas components on engine knock tendency are investigated using external EGR with an EGR catalyst. Opposing the results to numerical analysis, combustion characteristics of turbo charged DISI-engines are presented.

Combustion Engines Development

Combustion Engines Development Book
Author : Günter P. Merker,Christian Schwarz,Rüdiger Teichmann
Publisher : Springer Science & Business Media
Release : 2011-09-24
ISBN : 9783642140945
Language : En, Es, Fr & De

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Book Description :

Combustion Engines Development nowadays is based on simulation, not only of the transient reaction of vehicles or of the complete driveshaft, but also of the highly unsteady processes in the carburation process and the combustion chamber of an engine. Different physical and chemical approaches are described to show the potentials and limits of the models used for simulation.