Calculate the line size for a cooling water line with a
volumetric flowrate of 1200m3/h of water. Density of water =
1000kg/m3
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Answer Posted / Ashish Maurya
First, calculate the mass flow rate (F) using the given density (rho) and volumetric flow rate (Q): F=ρ*QnF=1000 kg/m^3 * 1200 m^3/h = 1.2E6 kg/hnNext, find the cross-sectional area (A) of the pipe by considering the desired velocity (V). For cooling water lines, a typical velocity ranges from 0.5 to 4 m/s.nAssuming V=2 m/s and using the formula A=F/(ρ*V), we get:nA = 1.2E6 kg/h / (1000 kg/m^3 * 2 m/s) = 0.6 m^2nSince the standard pipe sizes are usually in multiples of 0.0254 m^2 (or sq ft), you may choose a pipe with approximately 0.61 sq ft or a diameter of around 7.9 inches.
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