bed roughness

基本解释

In this paper, the influences of downstream depth, bed roughness and accumulation of dumped stones on the flow in vertical closure are studied.
本文从龙口下游水力条件出发，探讨下游水深、河床糙率以及抛料堆积体对立堵规律的影响。
On the basis of freeboard phenomenon in curve way and the improvement of curve flow velocity, this paper gets a useful calculating method of bed roughness.
本文基于弯道超高现象以及弯道流速计算的改进，得出了一种较为实用的泥石流沟床糙率计算方法。
The amount of the departure may not necessarily be large, but it results in the larger errors when the profiles are used to calculate the bed roughness length and shear stress.
虽然偏离值可能不大，但利用对数剖面去计算河底粗糙长度和剪切应力时会引起较大的误差。