BEHAVIOR OF TURBULENCE IN THE NEAR WAKE OF A THIN FLAT-PLATE AT LOW REYNOLDS-NUMBERS

被引：11

作者：

HAYAKAWA, M

IIDA, S

机构：

[1] Department of Mechanical Engineering II, Hokkaido University, N13 W8

来源：

PHYSICS OF FLUIDS A-FLUID DYNAMICS | 1992年 / 4卷 / 10期

关键词：

D O I：

10.1063/1.858468

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Conventional hot-wire measurements have been made in the turbulent developing wake of a thin flat plate. The data obtained are primarily concerned with turbulence characteristics in the near-wake region. Turbulence properties in the inner wake first increase up to a streamwise distance of 200-300 times the initial wall-layer length scale, followed by a gradual decay farther downstream. The mechanism of this overshoot phenomenon is inferred from space-time correlation data. Quasiperiodic motion similar to that in the far wake is observed as early as near the end of the near wake.

引用

页码：2282 / 2291

页数：10

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