CORRECTIONS FOR SPATIAL VELOCITY DERIVATIVES IN A TURBULENT SHEAR-FLOW

被引:0
作者
ANTONIA, RA [1 ]
ZHU, Y [1 ]
KIM, J [1 ]
机构
[1] UNIV CALIF LOS ANGELES,DEPT MECH AEROSP & NUCL ENGN,LOS ANGELES,CA 90024
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中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Possible corrections for measured spatial velocity derivatives have been inferred from a direct numerical simulation database for a fully developed turbulent channel flow. The magnitude of the correction depends much less on the distance from the wall for derivatives in the spanwise direction than for those in the wall-normal direction. Corrections based on local isotropy are better approximations for spanwise derivatives than for wall-normal derivatives.
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页码:411 / 413
页数:3
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