如图所示突然放大有压管流,放大前细管直径d1=100mm,放大后粗管直径d2=200mm,若放大后断面平均流速v2=1m/s,则局部水头损失hm为: A.0.613m
A.0. 556m B.0. 459m C.0. 343m D.正确答案C![]()
如图所示突然放大有压管流,放大前细管直径d1=100mm,放大后粗管直径d2=200mm,若放大后断面平均流速v2=1m/s,则局部水头损失hm为: A.0.613m
A.0. 556m B.0. 459m C.0. 343m D.正确答案C![]()