Inch Dia
September 22nd, 2010
i want to find the flow rate of water in a pipe (1 inch dia).?
the water is comin from the cooling tower to the plant. the pressure at the plant is 1.5 kg/cm2 and at cooling tower it is 3.5 kg/cm2. how can i calculate the flow rate in 1 inch pipline to the plant.????
You would use Bernoulli’s continuity equations
pressure at node 1/unit weight of water + v^2/2g + z1 = pressure at node 2/unit weight of water + v^2/2g + z2.
Z1 is the elevation at node 1
Z2 is the elevation at node 2
Or use you can Z2-Z1 if you only know the the difference in elevations.
You given the pressures at nodes 1 and 2.
The unit weight of water is a constant.
The velocity V, can be rewritten in the form of (Q/A) where Q is the flow rate in the pipe, and A is the cross sectional area of the flow. Q is unknown in this case.
2g is a constant = 2 times the force of gravity.
Plug into the equations and solve for Q, the unknown.
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