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Title: Scaling of velocity profiles for depth-limited open channel flows over simulated rigid vegetation
Authors: Cheng, Nian-Sheng
Nguyen, Hoai Thanh
Tan, Soon Keat
Shao, Songdong
Issue Date: 2012
Source: Cheng, N.-S., Nguyen, H. T., Tan, S. K., & Shao, S. (2012). Scaling of Velocity Profiles for Depth-Limited Open Channel Flows over Simulated Rigid Vegetation. Journal of Hydraulic Engineering, 138(8), 673-683.
Series/Report no.: Journal of hydraulic engineering
Abstract: Using the plane mixing layer analogy, a length scale is proposed to normalize velocity profiles for vegetated open channel flows. The new scaling is an improvement over those based on the logarithmic, velocity-defect, and power laws in collapsing the velocity profiles, which include measurements conducted in this study and also those reported in the literature for a variety of flow and vegetation configurations. An eddy viscosity model is also developed to justify the scaling argument. This study is limited to rigid vegetation submerged in depth-limited flows, in which the flow depth is no greater than twice the vegetation height.
DOI: 10.1061/(ASCE)HY.1943-7900.0000562
Rights: © 2012 American Society of Civil Engineers.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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