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|標題:||Velocity Analysis of Flow Passing over a Vegetated Slope
|關鍵字:||Biot's theory of poro-elasticity;vegetation flow;velocity distribution;Biot 孔彈性介質理論;植生水流;流速分佈||Project:||水土保持學報, Volume 45, Issue 2, Page(s) 585-598.||摘要:||
The sheet flow or overland flow was simulated by the theory of laminar flow passing over a grassed slope with wood. The flow region was divided into two layers (vegetation layer & soil layer) or three layers (wood layer, vegetation layer & soil layer) according to the water depth. The Navier-Stokes equations were employed to govern the flow in the wood layer, and the Biot's theory of poro-elasticity was applied to delineating the flow in vegetation and soil layers. These equations were simplified, modified and nondimensionalized under different vegetation situations, and then solved analytically. As a result, the velocity distributions were derived by a semi-analytical approach for understanding the flow mechanism.
|Appears in Collections:||第45卷 第02期|
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