Propagation And Extinction Studies Of Laminar Lean Premixed Syngas Air Flames
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Propagation And Extinction Studies Of Laminar Lean Premixed Syngas Air Flames
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Author : Yang Zhang
language : en
Publisher: Springer
Release Date : 2017-07-18
Propagation And Extinction Studies Of Laminar Lean Premixed Syngas Air Flames written by Yang Zhang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-18 with Technology & Engineering categories.
This thesis presents pioneering experimental and numerical studies on three aspects of the combustion characteristics of lean premixed syngas/air flames, namely the laminar flame speed, extinction limit and flammability limit. It illustrates a new extinction exponent concept, which enriches the combustion theory. Above all, the book provides the following: a) a series of carefully measured data and theoretical analyses to reveal the intrinsic mechanisms of the fuel composition effect on the propagation and extinction of lean syngas/air flames; b) a mixing model and correlation to predict the laminar flame speed of multi-component syngas fuels, intended for engineering computations; c) a new “extinction exponent” concept to describe the critical effects of chemical kinetics on the extinction of lean premixed syngas/air flames; and d) the effects and mechanism of the dilution of incombustible components on lean premixed syngas/air flames and the preferential importance among the thermal, chemical and diffusion effects.
Innovations In Sustainable Energy And Cleaner Environment
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Author : Ashwani K. Gupta
language : en
Publisher: Springer
Release Date : 2019-07-19
Innovations In Sustainable Energy And Cleaner Environment written by Ashwani K. Gupta and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-19 with Technology & Engineering categories.
This book covers the state-of-the-art advances in several areas of energy, combustion, power, propulsion, and environment, focusing on the use of conventional and alternative fuels. It presents novel developments in the areas of biofuels and value added products from various feedstock materials, along with thermal management, emission control and environmental issues from energy conversion. Written by internationally renowned experts, the chapters in this volume cover the latest fundamental and applied research innovations on cleaner energy utilization for a wide range of devices extending from micro scale energy conversion to hypersonic propulsion using hydrocarbon fuels. The book will be useful as a ready reference for managers and practicing and research engineers, as well as graduate students and research organizations and institutions.
Technologies For Converting Biomass To Useful Energy
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Author : Erik Dahlquist
language : en
Publisher: CRC Press
Release Date : 2013-04-16
Technologies For Converting Biomass To Useful Energy written by Erik Dahlquist and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-16 with Science categories.
Officially, the use of biomass for energy meets only 10-13% of the total global energy demand of 140 000 TWh per year. Still, thirty years ago the official figure was zero, as only traded biomass was included. While the actual production of biomass is in the range of 270 000 TWh per year, most of this is not used for energy purposes, and mostly it
Novel Combustion Concepts For Sustainable Energy Development
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Author : Avinash K Agarwal
language : en
Publisher: Springer
Release Date : 2014-12-19
Novel Combustion Concepts For Sustainable Energy Development written by Avinash K Agarwal and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-19 with Technology & Engineering categories.
This book comprises research studies of novel work on combustion for sustainable energy development. It offers an insight into a few viable novel technologies for improved, efficient and sustainable utilization of combustion-based energy production using both fossil and bio fuels. Special emphasis is placed on micro-scale combustion systems that offer new challenges and opportunities. The book is divided into five sections, with chapters from 3-4 leading experts forming the core of each section. The book should prove useful to a variety of readers, including students, researchers, and professionals.
Synthesis Gas Combustion
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Author : Tim Lieuwen
language : en
Publisher: CRC Press
Release Date : 2009-09-16
Synthesis Gas Combustion written by Tim Lieuwen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-16 with Science categories.
Coal, still used to generate more than half of the electric power in the U.S., will likely be part of any future global energy plan. But this finite resource is also responsible for 80 percent of the CO2 emissions from power production, and its continued use will require improved processing techniques that are less damaging to the environment and l
Flashback Mechanisms In Lean Premixed Gas Turbine Combustion
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Author : Ali Cemal Benim
language : en
Publisher: Academic Press
Release Date : 2014-12-01
Flashback Mechanisms In Lean Premixed Gas Turbine Combustion written by Ali Cemal Benim and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-01 with Technology & Engineering categories.
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
Unsteady Combustor Physics
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Author : Tim C. Lieuwen
language : en
Publisher: Cambridge University Press
Release Date : 2021-10-21
Unsteady Combustor Physics written by Tim C. Lieuwen and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-21 with Science categories.
Explore a unified treatment of the dynamics of combustor systems, including acoustics, fluid mechanics, and combustion in a single rigorous text. This updated new edition features an expansion of data and experimental material, updates the coverage of flow stability, and enhanced treatment of flame dynamics. Addresses system dynamics of clean energy and propulsion systems used in low emissions systems. Synthesizing the fields of fluid mechanics and combustion into a coherent understanding of the intrinsically unsteady processes in combustors. This is a perfect reference for engineers and researchers in fluid mechanics, combustion, and clean energy.
Handbook Of Hydrogen Energy
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Author : S.A. Sherif
language : en
Publisher: CRC Press
Release Date : 2014-07-29
Handbook Of Hydrogen Energy written by S.A. Sherif and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-29 with Science categories.
Can hydrogen and electricity supply all of the world's energy needs? Handbook of Hydrogen Energy thoroughly explores the notion of a hydrogen economy and addresses this question. The handbook considers hydrogen and electricity as a permanent energy system and provides factual information based on science. The text focuses on a large cross section o
Lean Combustion
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Author : Derek Dunn-Rankin
language : en
Publisher: Academic Press
Release Date : 2016-07-01
Lean Combustion written by Derek Dunn-Rankin and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-01 with Technology & Engineering categories.
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
Turbulent Premixed Flames
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Author : Nedunchezhian Swaminathan
language : en
Publisher: Cambridge University Press
Release Date : 2011-04-25
Turbulent Premixed Flames written by Nedunchezhian Swaminathan and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-25 with Technology & Engineering categories.
A work on turbulent premixed combustion is important because of increased concern about the environmental impact of combustion and the search for new combustion concepts and technologies. An improved understanding of lean fuel turbulent premixed flames must play a central role in the fundamental science of these new concepts. Lean premixed flames have the potential to offer ultra-low emission levels, but they are notoriously susceptible to combustion oscillations. Thus, sophisticated control measures are inevitably required. The editors' intent is to set out the modeling aspects in the field of turbulent premixed combustion. Good progress has been made on this topic, and this cohesive volume contains contributions from international experts on various subtopics of the lean premixed flame problem.