关键词粗糙系数 沿程水头损失 大口径PCCP管 长距离输水 [gap=927]Keywords:Roughness coefficient;Frictional head loss;Large diameter PCCP;Long distance
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... surface roughness 表面粗糙度;表面光洁度 roughness coefficient 粗糙系数;糙度系数 roughness of surface 表面粗度,表面粗糙度 ...
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... roughness 粗糙度,不平度 roughness coefficient 粗糙度系数 roughness factor 粗糙度系数,粗糙度因子 ...
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equivalent roughness coefficient 当量粗糙度系数 ; 等值糙率系数
Manning roughness coefficient 曼宁糙率系数 ; manning糙率
Bazin roughness coefficient 巴兴粗糙系数
Joint Roughness Coefficient 节理粗糙度系数
roughness coefficient index 糙度系数指标
coefficient of roughness 粗糙系数 ; 糙率 ; 粗糙度 ; 粗度系数
field roughness coefficient 田面糙率
joints roughness coefficient 节理粗糙度系数
Kutter roughness coefficient 库特粗糙系数
The results show that the Manning roughness coefficient increases with increasing water depth.
试验结果表明,曼宁粗糙系数随水深深度的增加而增加。
The wetted perimeter of this section is 83.7% of the rectangle in the same discharge, reach slope, roughness coefficient.
在同样水力条件下,最优园底直角断面的湿周是矩形最优断面的83.7%。
The experiment results show that the threshold velocity is affected by the ratio of roughness coefficient of ice cover and bed.
试验表明:冰盖下泥沙起动流速与冰盖及槽底糙率的相对比值有关。
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