Variation of bed microtopography with time around an isolated surface-mounted cylindrical roughness element and its influence on wind flow

• Published in: Aeolian research Vol. 50; p. 100688
• Main Authors: Kang, Liqiang, Zhang, Wen, Zou, Xueyong
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.03.2021
• Subjects: air flow; Bed microtopography; dry environmental conditions; mathematical models; microrelief; Numerical simulation; roughness; Roughness element; sand; sediment transport; shear stress; wind erosion; wind speed; Wind tunnel experiment; wind tunnels; Numerical simulation; Bed microtopography; Wind tunnel experiment; Roughness element

•Bed microtopography evolution process around an isolated cylinder was analyzed.•Effect of bed topography evolution on wind flow was simulated by CFD method.•Aspect ratio has an important effect on bed topography evolution and wind flow. Bed microtopography around roughness element in the arid envir...