A Computational Study Of The Chemical Kinetics Of Hydrogen Combustion

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A Computational Study of the Chemical Kinetics of Hydrogen Combustion

Author : T. L. Burks
Publisher : Unknown
Page : 70 pages
File Size : 54,6 Mb
Release : 1981
Category : Chemical kinetics
ISBN : UOM:39015041126320

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A Computational Study of the Chemical Kinetics of Hydrogen Combustion by T. L. Burks Pdf

A set of elementary reactions and their corresponding rate coefficients has been assembled to describe the homogeneous H2-O2 reaction system over the temperature range 300-3000 K. The reaction mechanism was drawn together assuming that H2-O2 reactive mixtures could be adequately described in terms of self-consistent, thermal distributions of electronically neutral, ground-state reactants, intermediates and products. The resulting time-dependent ordinary differential equations describing the system were integrated assuming various initial pressures, temperatures and initial concentrations of reactants and diluents. The computed results have been compared with experimentally observed induction times, second explosion limits, the rate of reaction above the second explosion limit and the temporal behavior of reaction species. The good agreement between the computational and experimental results attests to the accuracy of the assembled mechanism in its description of the homogeneous reaction system and supports the validity of the set of associated rate coefficients for the elementary reactions of the mechanism over a broad range of reaction conditions. (Author).

Major Research Topics in Combustion

Author : M.Y. Hussaini,A. Kumar,R.G. Voigt
Publisher : Springer Science & Business Media
Page : 668 pages
File Size : 55,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461228844

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Major Research Topics in Combustion by M.Y. Hussaini,A. Kumar,R.G. Voigt Pdf

The Institute for Computer Applications in Science and Engineer ing (ICASE) and NASA Langley Research Center (LaRC) brought together on October 2-4, 1989 experts in the various areas of com bustion with a view to expose them to some combustion problems of technological interest to LaRC and possibly foster interaction with the academic community in these research areas. The top ics chosen for this purpose were flame structure, flame stability, flame holding/extinction, chemical kinetics, turbulence-kinetics in teraction, transition to detonation, and reacting free shear layers. The lead paper set the stage by discussing the status and issues of supersonic combustion relevant to scramjet engine. Then the ex perts were called upon i) to review the current status of knowledge in the aforementioned ;:I. reas, ii) to focus on how this knowledge can be extended and applied to high-speed combustion, and iii) to suggest future directions of research in these areas. Each topic was then dealt with in a position paper followed by formal discussion papers and a general discussion involving the participants. The position papers discussed the state-of-the-art with an emphasis on key issues that needed to be resolved in the near future. The discussion papers crit ically examined these issues and filled in any lacunae therein. The edited versions of the general discussions in the form of questions from the audience and answers from the speakers are included wher ever possible to give the reader the flavor of the lively interactions that took place.

Energy Research Abstracts

Author : Anonim
Publisher : Unknown
Page : 852 pages
File Size : 53,8 Mb
Release : 1990
Category : Power resources
ISBN : MSU:31293010869307

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Energy Research Abstracts by Anonim Pdf

Fossil Energy Update

Author : Anonim
Publisher : Unknown
Page : 952 pages
File Size : 52,6 Mb
Release : 1982
Category : Fossil fuels
ISBN : UIUC:30112087480643

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Fossil Energy Update by Anonim Pdf

Combustion in High-Speed Flows

Author : John Buckmaster,Thomas L. Jackson,Ajay Kumar
Publisher : Springer Science & Business Media
Page : 639 pages
File Size : 41,5 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401110501

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Combustion in High-Speed Flows by John Buckmaster,Thomas L. Jackson,Ajay Kumar Pdf

This volume contains the proceedings of the Workshop on Com bustion, sponsored by the Institute for Computer Applications in Science and Engineering (ICASE) and the NASA Langley Research Center (LaRC). It was held on October 12-14, 1992, and was the sec ond workshop in the series on the subject. The first was held in 1989, and its proceedings were published by Springer-Verlag under the title "Major Research Topics in Combustion," edited by M. Y. Hussaini, A. Kumar, and R. G. Voigt. The focus of the second workshop was directed towards the development, analysis, and application of basic models in high speed propulsion of particular interest to NASA. The exploration of a dual approach combining asymptotic and numerical methods for the analysis of the models was particularly encouraged. The objectives of this workshop were i) the genesis of models that would capture or reflect the basic pllysical phenomena in SCRAMJETs and/or oblique detonation-wave engines (ODWE), and ii) the stimulation of a greater interaction between NASA exper imental research community and the academic community. The lead paper by D. Bushnell on the status and issues of high speed propulsion relevant to both the SCRAMJET and the ODWE parallels his keynote address which set the stage of the workshop. Following the lead paper were five technical sessions with titles and chairs: Experiments (C. Rogers), Reacting Free Shear Layers (C. E. Grosch), Detonations (A. K. Kapila), Ignition and Struc ture (J. Buckmaster), and Unsteady Behaviour ('1'. L. Jackson).

Nuclear Safety

Author : Anonim
Publisher : Unknown
Page : 930 pages
File Size : 48,9 Mb
Release : 1995
Category : Nuclear engineering
ISBN : IND:30000090498324

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Nuclear Safety by Anonim Pdf

Summary Report on the Workshop on High Temperature Chemical Kinetics, Applications to Combustion Research

Author : National Measurement Laboratory (U.S.),David Garvin
Publisher : Unknown
Page : 100 pages
File Size : 54,7 Mb
Release : 1978
Category : Chemical kinetics
ISBN : UOM:39015077588286

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Summary Report on the Workshop on High Temperature Chemical Kinetics, Applications to Combustion Research by National Measurement Laboratory (U.S.),David Garvin Pdf

Combustion Thermodynamics and Dynamics

Author : Joseph Powers
Publisher : Cambridge University Press
Page : 477 pages
File Size : 40,9 Mb
Release : 2016-04-18
Category : Science
ISBN : 9781107067455

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Combustion Thermodynamics and Dynamics by Joseph Powers Pdf

This textbook combines rigorous mathematical analysis with combustion science to address standard problems in reactive fluid mechanics.

Cleaner Combustion

Author : Frédérique Battin-Leclerc,John M. Simmie,Edward Blurock
Publisher : Springer Science & Business Media
Page : 657 pages
File Size : 54,6 Mb
Release : 2013-09-06
Category : Technology & Engineering
ISBN : 9781447153078

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Cleaner Combustion by Frédérique Battin-Leclerc,John M. Simmie,Edward Blurock Pdf

This overview compiles the on-going research in Europe to enlarge and deepen the understanding of the reaction mechanisms and pathways associated with the combustion of an increased range of fuels. Focus is given to the formation of a large number of hazardous minor pollutants and the inability of current combustion models to predict the formation of minor products such as alkenes, dienes, aromatics, aldehydes and soot nano-particles which have a deleterious impact on both the environment and on human health. Cleaner Combustion describes, at a fundamental level, the reactive chemistry of minor pollutants within extensively validated detailed mechanisms for traditional fuels, but also innovative surrogates, describing the complex chemistry of new environmentally important bio-fuels. Divided into five sections, a broad yet detailed coverage of related research is provided. Beginning with the development of detailed kinetic mechanisms, chapters go on to explore techniques to obtain reliable experimental data, soot and polycyclic aromatic hydrocarbons, mechanism reduction and uncertainty analysis, and elementary reactions. This comprehensive coverage of current research provides a solid foundation for researchers, managers, policy makers and industry operators working in or developing this innovative and globally relevant field.

Combustion

Author : J. Warnatz,Ulrich Maas,Robert W. Dibble
Publisher : Springer Science & Business Media
Page : 389 pages
File Size : 55,6 Mb
Release : 2006-09-23
Category : Technology & Engineering
ISBN : 9783540453635

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Combustion by J. Warnatz,Ulrich Maas,Robert W. Dibble Pdf

This book provides a rigorous treatment of the coupling of chemical reactions and fluid flow. Combustion-specific topics of chemistry and fluid mechanics are considered and tools described for the simulation of combustion processes. This edition is completely restructured. Mathematical Formulae and derivations as well as the space-consuming reaction mechanisms have been replaced from the text to appendix. A new chapter discusses the impact of combustion processes on the atmosphere, the chapter on auto-ignition is extended to combustion in Otto- and Diesel-engines, and the chapters on heterogeneous combustion and on soot formation are heavily revised.