Large Eddy Simulation of SGS Turbulent Kinetic Energy and SGS Turbulent Dissipation in a Backward-Facing Step Turbulent Flow

Chin. Phys. Lett.

2004, Vol. 21

Issue (9): 1773-1776 DOI:

Original Articles

Large Eddy Simulation of SGS Turbulent Kinetic Energy and SGS Turbulent Dissipation in a Backward-Facing Step Turbulent Flow

WANG Bing;ZHANG Hui-Qiang;WANG Xi-Lin

Department of Engineering Mechanics, Tsinghua University, Beijing 100084

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WANG Bing, ZHANG Hui-Qiang, WANG Xi-Lin 2004 Chin. Phys. Lett. 21 1773-1776

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Abstract The instantaneous and time-averaged statistic characteristics of the sub-grid scale (SGS) turbulent kinetic energy and SGS dissipation in a backward-facing step turbulent flow have been studied by large eddy simulation. The SGS turbulent kinetic energy and SGS turbulent dissipation vary in different flow regions and decrease with the flow developing spatially. The fluid molecular dissipation shares about 14% to 28% of the whole dissipation.

Keywords: 47.27.Eq 47.32.Ff 07.05.Tp

Published: 01 September 2004

PACS:	47.27.Eq
	47.32.Ff	(Separated flows)
	07.05.Tp	(Computer modeling and simulation)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I9/01773

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