Verification Case 43
PRODUCT: AFT Fathom
TITLE: FthVerify43.fth
REFERENCE: Theodore Baumeister, Eugene Avallone, Theodore Baumeister III, Marks’ Standard Handbook for Mechanical Engineers, 8th ed., 1978, McGraw-Hill, Page 3-58
FLUID: Benzene at 68 deg. F
ASSUMPTIONS: N/A
RESULTS:
| Parameter | Marks' | AFT Fathom |
| Flow rate in 1 inch pipe (ft3/sec) | 0.0750 | 0.0744 |
| Flow rate in 2 inch pipe (ft3/sec) | 0.4250 | 0.4256 |
| Pressure at discharge (psig) | 73.40 | 73.28 |
DISCUSSION:
In order to fix the flowrate of 0.5 ft3/sec given in the problem statement the second pressurized tank is defined as a branch junction with a flow sink. In AFT Fathom the convention for flow out of the system is to use a negative sign, so the flow sink is entered as -0.5 ft3/sec.
