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Hierarchical parcel-swapping representation of turbulent mixing. Part 2. Application to channel flow

Published online by Cambridge University Press:  10 June 2014

Alan R. Kerstein*
Affiliation:
72 Lomitas Road, Danville, CA 94526, USA
*
Email address for correspondence: alan.kerstein@gmail.com

Abstract

A novel concept for simulation of turbulent mixing, termed hierarchical parcel swapping (HiPS), was recently proposed. The method involves either a parameterized representation of the turbulent flow or a more self-contained flow simulation. As a step toward turbulent mixing applications, the latter formulation is used for the first numerical demonstration of model performance. Owing to its suitability for this purpose and its role as a canonical benchmark, channel flow is the target application. Despite its idealized representation of this flow, HiPS is shown to capture salient features of the flow with a notable degree of quantitative accuracy. The implications of this finding with regard to flow physics and with regard to the applicability of HiPS to other problems are discussed.

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Type
Papers
Copyright
© 2014 Cambridge University Press 

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