Question

Crude oil flows through a level section of the Alaskan pipeline at a rate of 250 thousand cubic meters per day. The pipe inside diameter is 1000 mm; its roughness is equivalent to that of galvanized iron. The maximum allowable pressure is 8.3 MPa; the minimum pressure required to keep dissolved gases in solution in the crude oil is 340 kPa. The crude oil has SG = 0.93; its viscosity at the pumping temperature of 60 ^oC is  μ= 0.017 kg/(m s). For these conditions,

Determine the maximum possible spacing between pumping stations.

Enter the spacing in kilometres, rounded to the nearest integer.

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Answer 1

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