The development of the large-scale structures in round impinging jets exiting long pipes at two Reynolds numbers

被引：17

作者：

Hall, JW ^{[1
]}

Ewing, D ^{[1
]}

机构：

[1] McMaster Univ, Dept Mech Engn, Hamilton, ON L8S 4L7, Canada

来源：

EXPERIMENTS IN FLUIDS | 2005年 / 38卷 / 01期

关键词：

D O I：

10.1007/s00348-004-0883-2

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Measurements of the two-point and two-time correlation of the fluctuating wall pressure were performed in radial wall jets formed by impinging jets exiting a long pipe with Reynolds numbers of 23,300 and 50,000, and nozzle-to-plate distances of 2.0 diameters. The results from the two flows were compared to examine how the three-dimensionality and the development of the large-scale structures in the near field of the radial wall jet changed as the Reynolds number of the impinging jet varied. The measurements indicated that the large-scale structures were more two-dimensional, more periodic, and more prominent in the higher Reynolds number flow.

引用

页码：50 / 58

页数：9

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