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2018 | OriginalPaper | Chapter

8. Conditional Moment Closure for Turbulent Premixed Flames

Author : Shokri Amzin

Published in: Modeling and Simulation of Turbulent Combustion

Publisher: Springer Singapore

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Abstract

The conditional moment closure (CMC) is a well-established method for the modelling of turbulent non-premixed combustion, but its suitability when applied to turbulent premixed combustion is still a topic of research. Recently, the method has been improved and implemented with encouraging results. The method is used as a closure for the mean reaction rate, which includes the averaged species transport equation. Unlike the flamelet-based methods, its transport equations are derived with no explicit assumptions about the effect of turbulent vortices on the flame front structure. Hence, the CMC is expected to capture the finite-rate chemistry effects and thus predicts species with slow chemical time scales more efficiently. Most importantly, the method would apply to all regimes in turbulent premixed combustion. In this chapter, the method is described comprehensively along with its numerical implementation and some selected results.

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previous chapter Modeling of Turbulent Premixed Flames Using Flamelet-Generated Manifolds

next chapter Conditional Moment Closure Methods for Turbulent Non-premixed Combustion

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Title: Conditional Moment Closure for Turbulent Premixed Flames
Author: Shokri Amzin
Publisher: Springer Singapore
Book: Modeling and Simulation of Turbulent Combustion
Print ISBN: 978-981-10-7409-7

Electronic ISBN: 978-981-10-7410-3

Copyright Year: 2018
DOI: https://doi.org/10.1007/978-981-10-7410-3_8

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