Effects of adverse pressure gradient on Reynolds stresses inturbulent boundary layers

LUO Xiao tian; ZHANG Ce; MA Wei; TENG Jin fang

doi:10.13224/j.cnki.jasp.2017.02.026

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Effects of adverse pressure gradient on Reynolds stresses inturbulent boundary layers

更新时间：2026-07-07

- Effects of adverse pressure gradient on Reynolds stresses inturbulent boundary layers
- Vol. 32, Issue 2, Pages: 462-469(2017)
- 作者机构：
  
  School of Aeronautics and Astronautics,Shanghai Jiao Tong University,Shanghai,China,200240
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2017.02.026
  CLC：
- Published：2017
- 稿件说明：
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LUO Xiao tian, ZHANG Ce, MA Wei, TENG Jin fang. Effects of adverse pressure gradient on Reynolds stresses inturbulent boundary layers[J]. 航空动力学报, 2017, 32(2): 462-469.

doi: 10.13224/j.cnki.jasp.2017.02.026
LUO Xiao tian, ZHANG Ce, MA Wei, TENG Jin fang. Effects of adverse pressure gradient on Reynolds stresses inturbulent boundary layers[J]. 航空动力学报, 2017, 32(2): 462-469. DOI： 10.13224/j.cnki.jasp.2017.02.026.

doi: 10.13224/j.cnki.jasp.2017.02.026 DOI：

摘要

The effects of adverse pressure gradient (APG) on Reynolds stresses in turbulent boundary layers (TBLs) with APG were analyzed. The difficulty of this work was attributable to the Reynolds stresses in TBLs with APG under two combined effects

i.e.: effect of upstream flow and effect of APG. The effect of upstream flow is an inherent effect no matter pressure gradient exists or not. The individual effect was analyzed from absolute developments of Reynolds stresses in TBLs with zero pressure gradient (ZPG) firstly. Effect of APG was then analyzed from absolute developments of Reynolds stresses in TBLs with APG. Result showed that

for absolute development of mean streamwise Reynolds stresses

APG accelerated its development in TBL with ZPG; for absolute development of mean normal or shear Reynolds stresses

APG increased their magnitude in the outer part

and decreased their extent of large value region.

Abstract

for absolute development of mean streamwise Reynolds stresses

APG accelerated its development in TBL with ZPG; for absolute development of mean normal or shear Reynolds stresses

APG increased their magnitude in the outer part

and decreased their extent of large value region.

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