摘要Self-similarity of power law velocity profile of a simulated atmospheric boundary layer is studied experimentally. The results demonstrate that the self-similarity maintains very well along the streamwise direction for the same rough surface but changes significantly with the surface roughness at the same position. The self-similarity of the vertical velocity profiles is affected by enhancement of the free stream velocity when the roughness concentration is relatively denser.
Abstract：Self-similarity of power law velocity profile of a simulated atmospheric boundary layer is studied experimentally. The results demonstrate that the self-similarity maintains very well along the streamwise direction for the same rough surface but changes significantly with the surface roughness at the same position. The self-similarity of the vertical velocity profiles is affected by enhancement of the free stream velocity when the roughness concentration is relatively denser.
LIN Jian-Zhong;LI Hui-Jun;ZHANG Kai. Effect of Surface Roughness and Reynolds Number on Self-Similarity of Velocity Profile in the Atmospheric Boundary Layer[J]. 中国物理快报, 2008, 25(3): 1008-1010.
LIN Jian-Zhong, LI Hui-Jun, ZHANG Kai. Effect of Surface Roughness and Reynolds Number on Self-Similarity of Velocity Profile in the Atmospheric Boundary Layer. Chin. Phys. Lett., 2008, 25(3): 1008-1010.
[1] Zhou Y, Li X L, Fu D X and Ma Y W 2007 Chin. Phys.Lett. 24 147 [2] Lin J Z, Li H J and Zhang K 2007 Chin. Phys. 16 2033 [3] Iyengar A K S and Farell C 2001 J. Wind Eng. Ind.Aerodyn. 89 1059 [4] Wieringa J 1993 Boundary-Layer Meteorol. 63323 [5] Theurer W 1993 PhD Thesis (University of Karlsruhe) [6] Irwin H P A H 1979 NAE Report LTR-LA-233 [7] George W K and Castillo L 1997 Appl. Mech. Rev. 50 689 [8] Barenblatt G I 1993 J. Fluid Mech. 248 513 [9] Zagarola M V, Perry A E and Smits A J 1997 Phys.Fluids 9 2094
2008, Vol. 25 
