某输油管道长L=500m,直径d=0.15m,流速v=0.24m/s,油的粘滞系数ν=2.0cm2/s。(1)雷诺数为回答A.18


某输油管道长L=500m,直径d=0.15m,流速v=0.24m/s,油的粘滞系数ν=2.0cm2/s。(1)雷诺数为回答A.18

正确答案:A.180—A.层流—D.0.356—C.3.49


Tag:雷诺 输油管 层流 时间:2023-11-15 21:01:30