曼宁糙率系数 meaning in English
manning roughness coefficient
manning roughness factor
Examples
- The main contents are as follows : ( l ) through theoretic analysis and flume experiments , the characteristic of water resistance through frames is researched , and transforms relation between resistance coefficients and manning ' s roughness coefficients is established , and then experiential formula of manning ' s roughness coefficients is fitted
主要研究内容如下： ( 1 )通过理论分析和水槽试验，研究了穿越四面体框架群水流阻力系数的变化规律，建立了阻力系数与框架群等效曼宁糙率系数的转换关系，拟合出了糙率的经验计算公式。