Numerical Simulation of a Turbulent Gas Flow over a Wavy Surface

被引：0
|
作者：
Apostol Y.S. [1 ,2 ]
Vozhakov I.S. [1 ,2 ]
机构：
[1] Kutateladze Institute of Thermophysics, Siberian Branch, Russian Academy ofSciences, Novosibirsk
[2] Novosibirsk State University, Novosibirsk
来源：
Journal of Applied and Industrial Mathematics | 2023年 / 17卷 / 02期
关键词：
numerical simulation; RANS and LES models; shear stresses; turbulence; wavy wall;
D O I：
10.1134/S1990478923020011
中图分类号：
学科分类号：
摘要：
Abstract: We use the OpnFoampackage to numerically study the turbulent flow over a wavy surface for various values of theamplitude and wavelength of the perturbation of the channel wall. The RANS and LES modelsare used to describe turbulent characteristics. The Reynolds number in the flow is 20 000. Theaverage profiles of velocities and shear stresses on the channel wall are obtained. The values of theamplitude and phase shift for perturbations of the shear stress are calculated for variousgeometrical parameters of the channel. Comparison with the theoretical model and experimentalresults is carried out. © 2023, Pleiades Publishing, Ltd.
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页码：235 / 241
页数：6
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