The long pipe in Fig 3 133 is filled with water at 20 deg C When valve A is closed, p1 minus p2 75 kPa When the valve is open and water flows at 500 m3 h, p1 minus p2 160 kPa What is the friction head loss between 1 and 2, in m, for the flowing condition Constant diameter pipe...

With the valve closed there is no velocity or fri ...

The long pipe in Fig 3.133 is filled with water at 20°C. When valve A is closed,

Question:

The long pipe in Fig 3.133 is filled with water at 20°C. When valve A is closed, p1 − p2 = 75 kPa. When the valve is open and water flows at 500 m3/h, p1 − p2 = 160 kPa. What is the friction head loss between 1 and 2, in m, for the flowing condition?