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On autoignition-dominated supersonic combustion

Cymbalist, Niccolo and Dimotakis, Paul (2015) On autoignition-dominated supersonic combustion. In: 45th AIAA Fluid Dynamics Conference. American Institute of Aeronautics and Astronautics , Reston, VA. ISBN 978-1-62410-362-9.

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Supersonic combustion in hydrocarbon-fueled scramjets, in the lower limits of hypersonic flight Mach numbers, is expected to occur as autoignition-dominated distributed reactions. At relevant conditions, including leading to autoignition is not well-captured by detailed chemical-kinetic models at present. This paper introduces an evolution-variable manifold (EVM) framework for modeling autoignition-dominated distributed reactions in both compressible and incompressible flows. This framework combines a data-driven model for induction with a Lagrangian-reactor-generated (discretized) state-space manifold method for post-ignition combustion. As a first-order validation, EVM captures the temperature evolution in a rapidly-mixing well-stirred reactor (WSR).

Item Type:Book Section
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Additional Information:© 2015 American Institute of Aeronautics and Astronautics.
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AIAA Paper2015-2315
Record Number:CaltechAUTHORS:20181022-131635711
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Official Citation:On autoignition-dominated supersonic combustion. Niccolo Cymbalist and Paul Dimotakis. 45th AIAA Fluid Dynamics Conference. Dallas, TX.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90327
Deposited By: Tony Diaz
Deposited On:22 Oct 2018 21:20
Last Modified:03 Oct 2019 20:24

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