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GID 2 0 4 E MOMENTUM TRANSFER IN - CLASS 3 May 9 t h , 2 0 2 4 A power - law liquid
GID MOMENTUM TRANSFER
INCLASS
May
A powerlaw liquid with consistency index flow behavior index and density is pumped through a pipe having an inside diameter of at a rate of from a tank to tank The level of the liquid in tank is below the pump, while the discharge point is above the pump. The suction line is long with one elbow, while discharge line is long with two elbows. Calculate the required pump in The efficiencies of the pump and electric motor are and respectively. Assume that the level in tank is constant. Neglect all the sudden enlargements and contractions.
For elbow and globe valve values ad and respectively.
You want to pump a liquid with a viscosity of and a density at a rate of through a piping system which contains of a in commercial steel pipe, globe valves, gate valves, and standard elbows. The discharge end of the piping system is above the entrance and the pressure at both ends is Neglect sudden contractions and enlargements.
a What pump head is required?
b If the vapor pressure of the liquid is how far directly above the liquid level in the upstream tank could the pump be located without cavitating?
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