Design and Development of Heterogenous Combustion Systems for Lean Burn Applications

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ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (887 download)

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Book Synopsis Design and Development of Heterogenous Combustion Systems for Lean Burn Applications by : Anthony Carmine Terracciano

Download or read book Design and Development of Heterogenous Combustion Systems for Lean Burn Applications written by Anthony Carmine Terracciano and published by . This book was released on 2014 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion with a high surface area continuous solid immersed within the flame, referred to as combustion in porous media, is an innovative approach to combustion as the solid within the flame acts as an internal regenerator distributing heat from the combustion byproducts to the upstream reactants. By including the solid structure, radiative energy extraction becomes viable, while the solid enables a vast extension of flammability limits compared to conventional flames, while offering dramatically reduced emissions of NO[subscript x] and CO, and dramatically increased burning velocities. Efforts documented within are used for the development of a streamlined set of design principles, and characterization of the flame's behavior when operating under such conditions, to aid in the development of future combustors for lean burn applications in open flow systems. Principles described herein were developed from a combination of experimental work and reactor network modeling using CHEMKIN-PRO. Experimental work consisted of a parametric analysis of operating conditions pertaining to reactant flow, combustion chamber geometric considerations and the viability of liquid fuel applications. Experimental behavior observed, when utilizing gaseous fuels, was then used to validate model outputs through comparing thermal outputs of both systems. Specific details pertaining to a streamlined chemical mechanism to be used in simulations, included within the appendix, and characterization of surface area of the porous solid are also discussed. Beyond modeling the experimental system, considerations are also undertaken to examine the applicability of exhaust gas recirculation and staged combustion as a means of controlling the thermal and environmental output of porous combustion systems. This work was supported by ACS PRF #51768-ND10 and NSF IIP 1343454.

Lean Combustion

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Publisher : Academic Press
ISBN 13 : 0128005777
Total Pages : 282 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Lean Combustion by : Derek Dunn-Rankin

Download or read book Lean Combustion written by Derek Dunn-Rankin and published by Academic Press. This book was released on 2016-07-01 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Combustion Engineering, Second Edition

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Publisher : CRC Press
ISBN 13 : 1420092510
Total Pages : 552 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Combustion Engineering, Second Edition by : Kenneth W. Ragland

Download or read book Combustion Engineering, Second Edition written by Kenneth W. Ragland and published by CRC Press. This book was released on 2011-06-15 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combustion Engineering, Second Edition maintains the same goal as the original: to present the fundamentals of combustion science with application to today’s energy challenges. Using combustion applications to reinforce the fundamentals of combustion science, this text provides a uniquely accessible introduction to combustion for undergraduate students, first-year graduate students, and professionals in the workplace. Combustion is a critical issue impacting energy utilization, sustainability, and climate change. The challenge is to design safe and efficient combustion systems for many types of fuels in a way that protects the environment and enables sustainable lifestyles. Emphasizing the use of combustion fundamentals in the engineering and design of combustion systems, this text provides detailed coverage of gaseous, liquid and solid fuel combustion, including focused coverage of biomass combustion, which will be invaluable to new entrants to the field. Eight chapters address the fundamentals of combustion, including fuels, thermodynamics, chemical kinetics, flames, detonations, sprays, and solid fuel combustion mechanisms. Eight additional chapters apply these fundamentals to furnaces, spark ignition and diesel engines, gas turbines, and suspension burning, fixed bed combustion, and fluidized bed combustion of solid fuels. Presenting a renewed emphasis on fundamentals and updated applications to illustrate the latest trends relevant to combustion engineering, the authors provide a number of pedagogic features, including: Numerous tables with practical data and formulae that link combustion fundamentals to engineering practice Concise presentation of mathematical methods with qualitative descriptions of their use Coverage of alternative and renewable fuel topics throughout the text Extensive example problems, chapter-end problems, and references These features and the overall fundamentals-to-practice nature of this book make it an ideal resource for undergraduate, first level graduate, or professional training classes. Students and practitioners will find that it is an excellent introduction to meeting the crucial challenge of engineering sustainable combustion systems in a cost-effective manner. A solutions manual and additional teaching resources are available with qualifying course adoption.

Lean Premixed Combustion Stabilized by Radiation Feedback and Heterogeneous Catalysis

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ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Lean Premixed Combustion Stabilized by Radiation Feedback and Heterogeneous Catalysis by :

Download or read book Lean Premixed Combustion Stabilized by Radiation Feedback and Heterogeneous Catalysis written by and published by . This book was released on 1995 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas-turbine based systems are becoming the preferred approach to electric power generation from gaseous and liquid fossil-fuels and from biomass. As coal gasification becomes more prevalent, gas turbines will also become important in the generation of electricity from coal. In smaller, distributed installations, gas turbines offer the prospect of cogeneration of electricity and heat, with increased efficiency and reduced pollutant emissions. One of the most important problems facing combustion-based power generation is the control of air pollutants, primarily nitrogen oxides and carbon monoxide. Catalytic combustion over noble-metal catalysts offers a method for controlling NO(subscript x) emissions. This report describes tests on a gas-fired catalytic combustor and the development of a mathematical model to describe the process. The authors anticipate that the models they develop under this research program will be useful by industry and researchers alike in the design of both experiments and practical gas turbine catalytic combustors. The model--which includes transport codes, mechanisms, and postprocessing routines--is portable and can be run on UNIX workstations. Intelligent design of experiments, guided by this model, can reduce unnecessary expenditures of time and money spent in the laboratory. Likewise, the development of low-NO(subscript x) gas turbine systems can be accelerated by using these models to test the effectiveness of combustor designs prior to engaging in time-consuming prototyping.

Heterogeneous Combustion

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ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Heterogeneous Combustion by : Hans G. Wolfhard

Download or read book Heterogeneous Combustion written by Hans G. Wolfhard and published by . This book was released on 1964 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 868 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1982 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development of a Lean Burn/lean Reactor Engine System Through the Application of Engine Dynamometer Mapping Techniques

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ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (369 download)

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Book Synopsis Development of a Lean Burn/lean Reactor Engine System Through the Application of Engine Dynamometer Mapping Techniques by : R. C. Meier

Download or read book Development of a Lean Burn/lean Reactor Engine System Through the Application of Engine Dynamometer Mapping Techniques written by R. C. Meier and published by . This book was released on 1977 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 994 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1984 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes all works deriving from DOE, other related government-sponsored information and foreign nonnuclear information.

Design of a Single Cylinder Research Engine and Development of a Computer Model for Lean Burn Combustion Studies

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (597 download)

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Book Synopsis Design of a Single Cylinder Research Engine and Development of a Computer Model for Lean Burn Combustion Studies by : D. S. Moore

Download or read book Design of a Single Cylinder Research Engine and Development of a Computer Model for Lean Burn Combustion Studies written by D. S. Moore and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Convective Heat Transfer in Porous Media

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Publisher : CRC Press
ISBN 13 : 0429670559
Total Pages : 366 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Convective Heat Transfer in Porous Media by : Yasser Mahmoudi

Download or read book Convective Heat Transfer in Porous Media written by Yasser Mahmoudi and published by CRC Press. This book was released on 2019-11-06 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on heat transfer in porous media, this book covers recent advances in nano and macro’ scales. Apart from introducing heat flux bifurcation and splitting within porous media, it highlights two-phase flow, nanofluids, wicking, and convection in bi-disperse porous media. New methods in modeling heat and transport in porous media, such as pore-scale analysis and Lattice–Boltzmann methods, are introduced. The book covers related engineering applications, such as enhanced geothermal systems, porous burners, solar systems, transpiration cooling in aerospace, heat transfer enhancement and electronic cooling, drying and soil evaporation, foam heat exchangers, and polymer-electrolyte fuel cells.

Heterogeneous Combustion

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Publisher :
ISBN 13 :
Total Pages : 765 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Heterogeneous Combustion by : Hans G. Wolfhard

Download or read book Heterogeneous Combustion written by Hans G. Wolfhard and published by . This book was released on 1966 with total page 765 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lean Burn and Stratified Combustion Strategies for Small Utility Engines

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ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (662 download)

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Book Synopsis Lean Burn and Stratified Combustion Strategies for Small Utility Engines by : Chandan Mahato

Download or read book Lean Burn and Stratified Combustion Strategies for Small Utility Engines written by Chandan Mahato and published by . This book was released on 2010 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Spatially Resolved Operando Measurements in Heterogeneous Catalytic Reactors

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Publisher : Academic Press
ISBN 13 : 012812590X
Total Pages : 302 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Spatially Resolved Operando Measurements in Heterogeneous Catalytic Reactors by :

Download or read book Spatially Resolved Operando Measurements in Heterogeneous Catalytic Reactors written by and published by Academic Press. This book was released on 2017-11-13 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spatially Resolved Operando Measurements in Heterogeneous Catalytic Reactors, Volume 50, presents the latest on these essential components in the continuing search for better utilization of raw materials and energy that reduces impact on the environment. This latest release includes valuable chapters that present tactics on Understanding the performance of automotive catalysts via spatial resolution of reactions inside honeycomb monoliths, Operando spectroscopy in catalytic reactors, Spatio-temporal phenomena in monolithic reactors measured by combined spatially-resolved mass spectrometry and optical frequency domain reflectrometry, and In-situ spatially resolved techniques for the investigation of packed bed catalytic reactors: Current status and future outlook. This series presents the latest reviews of the state-of-the-art of in heterogeneous catalytic reactors and processes. Contains reviews by leading authorities in their respective areas Presents up-to-date reviews of the latest techniques in the modeling of catalytic processes Includes a broad mix of US and European authors, as well as academic, industrial and research institute perspectives Provides discussions on the connections between computation and experimental methods

Fossil Energy Update

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ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Fossil Energy Update by :

Download or read book Fossil Energy Update written by and published by . This book was released on 1977 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Industrial & Engineering Chemistry Process Design and Development

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ISBN 13 :
Total Pages : 1418 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Industrial & Engineering Chemistry Process Design and Development by :

Download or read book Industrial & Engineering Chemistry Process Design and Development written by and published by . This book was released on 1985 with total page 1418 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ASME Technical Papers

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ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis ASME Technical Papers by :

Download or read book ASME Technical Papers written by and published by . This book was released on with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: