Major Research Topics in Combustion (eBook, PDF)

Redaktion: Hussaini, M. Y.; Voigt, R. G.; Kumar, A.

• Format: PDF

Produktbeschreibung

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.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 650
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461228844
• Artikelnr.: 43987243

Inhaltsangabe

Supersonic Combustion Status and Issues.- Discussion on Supersonic Combustion.- Flame Structure.- Numerical Modeling of Two-Dimensional Axisymmetric Laminar Diffusion Flames.- Relevance of Nonpremixed Laminar Flames to Turbulent Combustion.- Laminar-Flame Structure.- Discussion on Flame Structure.- Flame Stability.- Flame Stability.- Stability of Laminar Diffusion Flames in Compressible Mixing Layers.- Role of Acoustics in Combustion Instability.- Hydrodynamic Instabilities in Flames.- Discussion on Flame Stability.- Flame Holding/Extinction.- Mechanisms of Flame Stabilization in Subsonic and Supersonic Flows.- Fuel Injection and Flameholding in High Speed Combustion Systems.- Flame Holding in Unconfined Turbulent Premixed Flames.- Discussion on Flame Holding/Extinction.- Chemical Kinetics.- Position Paper on Chemical Kinetics of Combustion Processes.- Pressure Effects on the Kinetics of High Speed Chemically Reacting Flows.- Chemical Kinetic Research Related to Combustion in High-Speed Flows.- Turbulence/Kinetic Interaction.- The Interaction of Turbulence and Chemical Kinetics.- Turbulence-Kinetics Interaction in Recirculatory Flows.- Comments on the Interaction of Turbulence and Chemical Kinetics.- Transition to Detonation.- On the Transition from Deflagration to Detonation.- Discussion on the Transition from Deflagration to Detonation (DDT).- Transition to Detonation - Role of Explosion within an Explosion.- Discussion on Transition to Detonation.- Reacting Free Shear Layers.- Mixing Power Concepts in Scramjet Combustor Design.- Discussion on Mixing Power Concepts in Scramjet Combustor Design.- Some Current Issues in the Analysis of Reacting Shear Layers: Computational Challenges.- Discussion on Reacting Shear Layers.