Question

Oil at a rate of 300 gal/min is flowing steadily from tank A to tank B through 3000 ft of 3-in schedule 40 pipe (Appendix A.2). The inside diameter (ID) of 3-in schedule pipe is 3.068 in. The line contains two globe valves, a swing check valve, an a nine 90oC elbows. The oil has a density of 62.3 lbm/ft3 and a viscosity of 50 cP. The levels of the free surfaces are the same in both tanks. Tank B is vented to the atmosphere. What is the gauge pressure in tank A required to produce this flow rate? (pushing liquids from one container to another with gas pressure is common in industry when a leak of the fluid would be dangerous).

Answer 1

DEAR STUDENT, ANSWER MAY DIFFER SLIGHTLY DUE TO DIFFERENT EXPRESSIONS USED FOR CALCULATION OF FANNING FRICTION FACTOR & DIFFERENT VALUE OF K VALUES OF FITTING.

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