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.????

I want to find the flow rate of water in a pipe (1 inch dia).?
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.