Influence of surface roughness on shear flow

被引：3
|
作者：
Mahapatra, S [1 ]
Smith, FT
机构：
[1] Indian Inst Technol, Dept Math, Kharagpur 721302, W Bengal, India
[2] UCL, Dept Math, London WC1E 6BT, England
来源：
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME | 2004年 / 71卷 / 04期
关键词：
D O I：
10.1115/1.1767842
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The local planar flow of incompressible fluid past an obstacle of semi-circular cross section is considered, the obstacle being mounted on a long flat surface. The far-field motion is one of uniform shear Direct numerical solutions of the Navier-Stokes equations are described over a range of Reynolds numbers. The downstream eddy length and upstream position of maximum pressure gradient are found to agree with increased Reynolds number theory; in particular the agreement for the former quantity is close for Reynolds numbers above about 50.
引用
收藏
页码：459 / 464
页数：6
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