A mathematical prototype to validate LES strategies for turbulent flames

A. Bourlioux; B. Khouider; A. J. Majda

doi:10.1007/978-94-017-1998-8_17

A mathematical prototype to validate LES strategies for turbulent flames

A. Bourlioux, B. Khouider, A. J. Majda

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An idealized model for turbulent flames is introduced. It consists of a scalar advection-react ion-diffusion equation that describes the interaction of a thin flame with a turbulent-like flow field acting on two separate scales. Rigorous asymptotic results as well as affordable and reliable direct numerical simulations are available to describe the effective large scale behavior of the idealized front; a strategy is proposed to use this framework to validate closure models for more realistic turbulent flames. Examples are given to illustrate the strategy as applied to premixed flames.

Original language	English (US)
Title of host publication	IUTAM Symposium on Turbulent Mixing and Combustion - Proceedings of the IUTAM Symposium
Pages	211-219
Number of pages	9
DOIs	https://doi.org/10.1007/978-94-017-1998-8_17
State	Published - 2002
Event	International Union of Theoretical and Applied Mechanics Symposium on Turbulent Mixing and Combustion - Kingston, ON, Canada Duration: Jun 3 2001 → Jun 6 2001

Publication series

Name	Fluid Mechanics and its Applications
Volume	70
ISSN (Print)	0926-5112

Other

Other	International Union of Theoretical and Applied Mechanics Symposium on Turbulent Mixing and Combustion
Country/Territory	Canada
City	Kingston, ON
Period	6/3/01 → 6/6/01

Keywords

Bending
Direct numerical simulation
Large eddy simulation
Turbulent burning velocity

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

Access to Document

10.1007/978-94-017-1998-8_17

Cite this

Bourlioux, A, Khouider, B & Majda, AJ 2002, A mathematical prototype to validate LES strategies for turbulent flames. in IUTAM Symposium on Turbulent Mixing and Combustion - Proceedings of the IUTAM Symposium. Fluid Mechanics and its Applications, vol. 70, pp. 211-219, International Union of Theoretical and Applied Mechanics Symposium on Turbulent Mixing and Combustion, Kingston, ON, Canada, 6/3/01. https://doi.org/10.1007/978-94-017-1998-8_17

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abstract = "An idealized model for turbulent flames is introduced. It consists of a scalar advection-react ion-diffusion equation that describes the interaction of a thin flame with a turbulent-like flow field acting on two separate scales. Rigorous asymptotic results as well as affordable and reliable direct numerical simulations are available to describe the effective large scale behavior of the idealized front; a strategy is proposed to use this framework to validate closure models for more realistic turbulent flames. Examples are given to illustrate the strategy as applied to premixed flames.",

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AB - An idealized model for turbulent flames is introduced. It consists of a scalar advection-react ion-diffusion equation that describes the interaction of a thin flame with a turbulent-like flow field acting on two separate scales. Rigorous asymptotic results as well as affordable and reliable direct numerical simulations are available to describe the effective large scale behavior of the idealized front; a strategy is proposed to use this framework to validate closure models for more realistic turbulent flames. Examples are given to illustrate the strategy as applied to premixed flames.

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KW - Large eddy simulation

KW - Turbulent burning velocity

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BT - IUTAM Symposium on Turbulent Mixing and Combustion - Proceedings of the IUTAM Symposium

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A mathematical prototype to validate LES strategies for turbulent flames

Abstract

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Keywords

ASJC Scopus subject areas

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