Experimental and numerical study of flat momentumless wake

被引：1

作者：

Cherepanov, PY ^{[1
]}

Babenko, VA ^{[1
]}

机构：

[1] Byelarussian Acad Sci, AV Luikov Heat & Mass Transfer Inst, Minsk 220072, BELARUS

来源：

INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW | 1998年 / 19卷 / 06期

关键词：

flat momentumless wake; experiment; numerical simulation;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Flat momentumless wake behind wing profile has been studied both experimentally and with numerical simulation based on the second order Reynolds stress turbulence model. Some obtained regular trends of momentumless wake decay are mainly consistent with previous experiments by Dmitrenko et al. (Dmitrenko, Yu.M., Kovalev, I.I., Luchko, N.N., Cherepanov, P.Ya., 1987. J. Eng. Phys. 52, 743-751 (in Russian)), Cimbala and Park (Cimbala, J.M., Park, W.J., 1990. J. Fluid Mech. 213, 479-509; Park, W.J., Cimbala, J.M., 1991. J. Fluid Mech. 224, 29-47). Transverse distributions of statistical characteristics and its evolution along the flow axis depend on initial conditions and body shape. It was shown that characteristic turbulence parameters associated with the wake's width, mean velocity deficit, turbulence kinetic energy, and its dissipation rate are not constant as some of the theories predict. (C) 1998 Elsevier Science Inc. All rights reserved.

引用

页码：608 / 622

页数：15

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