IUTAM Symposium on Combustion in Supersonic Flows: by Paul A. Libby (auth.), M. Champion, B. Deshaies (eds.)

IUTAM Symposium on Combustion in Supersonic Flows: by Paul A. Libby (auth.), M. Champion, B. Deshaies (eds.)

By Paul A. Libby (auth.), M. Champion, B. Deshaies (eds.)

This quantity includes chosen displays of the IUTAM Symposium on `Combustion in Supersonic Flows' held in Poitiers on the Ecole Nationale Supérieure de Mécanique et d'Aérotechnique (ENSMA) from 2 to six October 1995.
The shows specialise in 4 major themes on the topic of combustion in supersonic streams and sensible concerns proper to the improvement of latest propulsion structures: primary reviews of premixed and unpremixed combustion, fluid dynamics points of supersonic combustion, sensible structures together with Scramjet, Ramaccelerators and Pulsed Detonation Engines, and the applying of detonation to propulsion.
very important development has been made within the figuring out of neighborhood mechanisms which permit combustion to be stabilized in a supersonic stream; specifically, a variety of mechanisms managed through blending, chemical kinetics, viscous heating and surprise waves are actually good pointed out. regardless of the trouble of constructing experimental paintings on supersonic combustion, an outstanding set of experimental facts is now to be had, permitting validation of theoretical research and types. the most elements of modelling of turbulent combustion in excessive velocity flows have been mentioned, together with the impact of turbulent fluctuations at the chemistry-controlled part of combustion and the applicability of flamelet types to excessive pace flows. the whole diversity of numerical techniques is roofed together with Direct Numerical Simulation, huge Eddy Simulation, k-epsilon and surprise monitoring tools. a substantial attempt has been made to generalize those how you can the therapy of supersonic reactive flows and to strengthen new numerical tools bearing in mind the latest theoretical paintings and a greater realizing of the underlying physics.

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Additional info for IUTAM Symposium on Combustion in Supersonic Flows: Proceedings of the IUTAM Symposium held in Poitiers, France, 2–6 October 1995

Example text

Hamada, and C. Guerraud. Supersonic H2 -Air Combustions Behind Oblique Shock Waves. Shock Waves, 4:339-345, 1995. C. Li, K. Kailasanath, and E. Oran. Detonation Structures Behind Oblique Shocks. Physics of Fluids, 6(4):1600-1611, April 1994. D. J. Singh, J. K. Ahuja, and M. K. Carpenter. Numerical Simulation of ShockInduced Combustion/Detonation. In Symposium on High-Performance Computing for Flight Vehicles, December 1992. M. H. Lefebvre and T. Fujiwara. Numerical Modeling of Combustion Processes Induced by a Supersonic Conical Blunt Body.

As a consequence: (a) the stoichiometric line (surface) is closed and (b) after a sufficient downstream distance, the combustible is found to be fully burned. The results depicted in figure 17 corresponds to the case where combustion occurs entirely in a lean premixed regime (Ln < TiUoo), due to the fact that the ignition point is located downstream of the stoichiometric line (surface). The structure of combustion is found to be completely different from the preceding case, consisting only of (i) an induction region and (ii) a thermal runaway jlean premixed combustion region.

In Nineteenth Symposium (International) on Combustion, pages 181-196, Pittsburgh, 1986. The Combustion Institute, The Combustion Institute. Maas, U. and Wamatz, J. Ignition process in hydrogen-oxygen mixtures. Combustion and Flame, 74:53-69, 1988. 3. G. Balakrishnan and F. A. Williams. Turbulent Combustion Regimes for Hypersonic Propulsion Employing Hydrogen-Air Diffusion Flames. Journal of Propulsion and 4. R. A. Yetter, F. 1. Dryer, and H. Rabitz. A Comprehensive Reaction Mechanism for Carbon Monoxide/Hydrogen/Oxygen/ Kinetics.

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