Characteristics of surface shear stress distribution around a slender flexible plant model in wind tunnel boundary layer
Liqiang Kang(), Qin Zhang, Meng Zhang
State Key Laboratory of Earth Surface Processes and Resource Ecology / Engineering Center of Desertification and Blown-Sand Control of Ministry of Education，Faculty of Geographical Science，Beijing Normal University，Beijing 100875，China
Liqiang Kang, Qin Zhang, Meng Zhang. Characteristics of surface shear stress distribution around a slender flexible plant model in wind tunnel boundary layer[J]. Journal of Desert Research, 2023, 43(4): 128-134.
Fig.2 Positions of measurement points of surface shear stress around flexible plant （A） and rigid round stick （B）
Fig.2 Positions of measurement points of surface shear stress around flexible plant （A） and rigid round stick （B）
Fig.3 Comparison of surface shear stress distribution around slender flexible plant and rigid round stick （The black dot is the position of plant model， uf0 is the incoming wind speed， h is the height of plant model in still air， τs is the surface shear stress）
Fig.3 Comparison of surface shear stress distribution around slender flexible plant and rigid round stick （The black dot is the position of plant model， uf0 is the incoming wind speed， h is the height of plant model in still air， τs is the surface shear stress）
Fig.4 Comparison of areas of decreased （A） and increased （B） surface shear stress between slender flexible plant and rigid round stick （τs0 is the incoming surface shear stress， τs/τs0 is the ratio of local surface shear stress to the incoming surface shear stress）
Fig.4 Comparison of areas of decreased （A） and increased （B） surface shear stress between slender flexible plant and rigid round stick （τs0 is the incoming surface shear stress， τs/τs0 is the ratio of local surface shear stress to the incoming surface shear stress）
Fig.5 Comparison of surface shear stress on the sides of slender flexible plant and rigid round stick （x=0 cm）
Fig.5 Comparison of surface shear stress on the sides of slender flexible plant and rigid round stick （x=0 cm）
Fig.6 Comparison of surface shear stress upwind and downwind of slender flexible plant and rigid round stick （y=0 cm）
Fig.6 Comparison of surface shear stress upwind and downwind of slender flexible plant and rigid round stick （y=0 cm）
Fig.7 Relationship between surface shear stress and wind speed at 1 cm height
Fig.7 Relationship between surface shear stress and wind speed at 1 cm height
Fig.8 Comparison of reduced degree of sand transport rate between slender flexible plant and rigid round stick
Fig.8 Comparison of reduced degree of sand transport rate between slender flexible plant and rigid round stick
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