题目内容
(请给出正确答案)
[主观题]
潘汉德尔公式Panhandle formula特点characteristic:()
A、摩阻系数只是雷诺数的函数The friction coefficient is simply a function of the Reynolds number
B、A式适用于雷诺数不很大的光滑区Formula A is applicable to smooth regions with small Reynolds number
C、B式适用于雷诺数大的阻力平方区。Formula B is applicable to the resistance square area with large Reynolds number
D、以上都不对
提问人:网友maldinizhu
发布时间:2022-01-07