Experiments are performed to measure the pressure drop in a pipe with water at 20C and

Chapter 8, Problem 8.77

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Experiments are performed to measure the pressure drop in a pipe with water at 20C and crude oil at the same temperature. Data are gathered with pipes of two diameters, 5 em and I 0 em. The following data were obtained for pressure drop per unit length. For water I Pipe Diameter, Velocity, Pressure Drop, ,I em m/s N/m3 '1 5 1 210 ---- ---!-- 5 2 730 - 5 5 3750 - - 10 1 86 --- ---- - 10 2 320 - 10 5 1650 For crude oil Pipe Diameter, Velocity, c.m m/s 5 I 310 5 2 -~-- 1040 5 5 .j_ ___ 5300 10 __ ...._ I 130 10 2 450 + - 10 5 2210 The pressure drop per unit length is assumed to be a function of the pipe diameter, liquid density and viscosity, and the velocity, t.p L = f(p, j.L, V, D) Perform a dimensional analysis to obtain the 'IT-groups and then write a computer program or use a spreadsheet to reduce the data. Plot the results using the dimensionless parameters.