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THE EFFECT OF VEGETATION RIGIDITY ON FLOW RESISTANCE

机译:植被刚度对流动性的影响

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Many references can be found in research on the hydraulic roughness of both stiff and flexible vegetation, hut there are no absolute stiff or flexible vegetations, which depend on both stiffness of vegetation and flowing water. It is necessary to study effects of vegetation rigidity on the hydraulic roughness. The experimental results show that a rigidity coefficient of vegetation can be used to describe the vegetation rigidity relating to the flowing water. The roughness n can change dramatically as the vegetation rigidity coefficient ζ changes from 0.01 to 0.2. The influence of vegetation rigidity coefficient ζ on the roughness n becomes non-apparent only when ζ>0.2 or ζ<0.01.
机译:许多参考文献可以在研究僵硬和柔软植被的液压粗糙度的研究中找到,没有绝对的僵硬或柔性植被,这取决于植被和流动的水的刚度。有必要研究植被刚度对液压粗糙度的影响。实验结果表明,植被的刚性系数可用于描述与流水有关的植被刚度。粗糙度N可以随着植被刚性系数ψ从0.01变为0.2的变化而显着变化。植被刚性系数ψ在粗糙度下的影响仅在≥0.2或ζ<0.01时变得不明显。

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