Experimental observations on turbulent boundary layers subjected to a step change in surface roughness
Experimental observations on turbulent boundary layers subjected to a step change in surface roughness
复制标题
表面粗糙度阶跃变化下湍流边界层的实验观察
DOI:
10.1017/jfm.2022.608
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发表时间:
2022
影响因子:
3.7
通讯作者:
Gul M
中科院分区:
文献类型:
--
作者:
Gul M
Based on experimental data acquired with particle image velocimetry, we examine turbulent boundary layers that are subjected to an abrupt change in wall roughness in the streamwise direction. Three different sandpapers (P24, P36 and P60) together with a smooth wall are used to form a number of different surface transition cases, including both R R, where the flow decelerates over the downstream rougher surface), however, the correlation coefficients shrink in size in both directions.
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