A piping system is designed for a group of people that need to pump water with a continuous flow rate of 10 L/s from a large well in their farmland. The water level in the well is 10 meters below ground, and water must be pumped using 0.06 m internal diameter plastic pipes (roughness = 0) to a large tank at top of a hill, which is 58 meters above the well's ground level (Z1=0). The required length of piping is 500 meters. Both the tank and the well are very large reservoirs that are opened to the atmosphere (atm gauge pressure). The system contains a sharp inlet (K=0.5), an open globe valve (K=?), two 12-inches radius bend (K=0.33), a 90-degree standard elbow (K= ?), and a half open gate valve (K= ?). A.)Calculate total minor loss K coefficients B.)the amount of total head loss C.)the required head pump D.)and the motor (shaft) power (kW) using the assumption that the pump's efliciency is 70%.
A piping system is designed for a group of people that need to pump water with a continuous flow rate of 10 L/s from a large well in their farmland. The water level in the well is 10 meters below ground, and water must be pumped using 0.06 m internal diameter plastic pipes (roughness = 0) to a large tank at top of a hill, which is 58 meters above the well's ground level (Z1=0). The required length of piping is 500 meters. Both the tank and the well are very large reservoirs that are opened to the atmosphere (atm gauge pressure). The system contains a sharp inlet (K=0.5), an open globe valve (K=?), two 12-inches radius bend (K=0.33), a 90-degree standard elbow (K= ?), and a half open gate valve (K= ?).
A.)Calculate total minor loss K coefficients
B.)the amount of total head loss
C.)the required head pump
D.)and the motor (shaft) power (kW) using the assumption that the pump's efliciency is 70%.
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