From: Numerical analysis of turbulence characteristics in a flat-plate flow with riblets control
Peak magnitude and maximum offset | symbol | x-direction | y-direction | z-direction |
---|---|---|---|---|
Smooth flat-plate case | |w’|•δ99/u∞ | 1.65 | 2.05 | —— |
Riblets flat-plate case | 1.32 | 4.28 | 2.78 | |
Incremental percentage | -20% | + 109% | —— | |
Smooth flat-plate case | y/δ99 | 0.033 | 0.024 | —— |
Riblets flat-plate case | 0.082 | 0.052 | 0.061 | |
Wall-normal offset | Δy/δ99 | + 0.049 | + 0.028 | —— |