Experimental and numerical investigation of 2-D backward-facing step flow

被引：117

作者：

Lee, T ^{[1
]}

Mateescu, D ^{[1
]}

机构：

[1] McGill Univ, Dept Mech Engn, Montreal, PQ, Canada

来源：

JOURNAL OF FLUIDS AND STRUCTURES | 1998年 / 12卷 / 06期

关键词：

D O I：

10.1006/jfls.1998.0166

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Results of experimental and numerical investigations of air flows over a two-dimensional backward-facing step are presented. The lengths of separation and reattachment on the upper and lower walls were measured nonintrusively using closely spaced, multi-element hot-film sensor arrays for Re less than or equal to 3000 and expansion ratios of 1.17 and 2.0. The hot-film sensor measurements are in good agreement with the present as well as previous numerical predictions. It is anticipated that this measurement capability will provide a practical means for the study of unsteady flow phenomena with flow separation as well. (C) 1998 Academic Press.

引用

页码：703 / 716

页数：14

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