A New Low-Reynolds-Number k-ε Model for Turbulent Flow Over Smooth and Rough Surfaces-Reference-Cited by-同舟云学术

A New Low-Reynolds-Number k-ε Model for Turbulent Flow Over Smooth and Rough Surfaces

Published:1996-06-01 Issue:2 Volume:118 Page:255-259
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Zhang Hanzhong¹,Faghri Mohammad²,White Frank M.²

Affiliation:

1. TSI Incorporated, P.O. Box 64394, St. Paul, MN 55164

2. Department of Mechanical Engineering, University of Rhode Island, Kingston, RI 02881-0805

Abstract

A new low-Reynolds-number k-ε model is proposed to simulate turbulent flow over smooth and rough surfaces by including the equivalent sand-grain roughness height into the model functions. The simulation of various flow experiments shows that the model can predict the log-law velocity profile and other properties such as friction factors, turbulent kinetic energy and dissipation rate for both smooth and rough surfaces.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/118/2/255/5515728/255_1.pdf

Reference33 articles.

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2. Chien K.-Y. , 1982, “Predictions of Channel and Boundary-Layer Flows with a Low-Reynolds-Number Turbulence Model,” AIAA Journal, Vol. 20, pp. 33–38.

3. Colebrook C. F. , 1939, “Turbulent Flow in Pipes with Particular Reference to the Transition Region between the Smooth and Rough Pipes Laws,” The Journal of the institution of Civil Engineers, Vol. 11, pp. 133–156.

4. Colebrook C. F. , WhiteC. M., 1937, “Experiments with Fluid Motion in Roughened Pipes,” Proceedings of the Royal Society of London, Series A, Vol. 161, 367–381.

5. Coles, D., 1978, “A Model for Flow in the Viscous Sublayer,” Proceedings of the Workshop on Coherent Structure of Turbulent Boundary Layers, Lehigh University, Bethlehem, Pa.

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