Verification Case 9

View Model     Problem Statement

PRODUCT: AFT Fathom

TITLE: FthVerify9.fth

REFERENCE: Ernest Brater, Horace Williams, James Lindell, C.Y. Wei, Handbook of Hydraulics, 7th Ed., 1996, McGraw-Hill, Page 6.40-42, Example 6.3b

FLUID: Water at 21 deg. C

ASSUMPTIONS: N/A

RESULTS:

Parameter	Handbook	AFT Fathom
Pressure at location x (kPa gauge)	95.4	94.13

DISCUSSION:

From the equation in the handbook, it is evident the pressure at location x is the static pressure and that it is gauge pressure. The units used, kN/m2 are the same as kPa. The proper pressure to review in AFT Fathom for comparison to the handbook is the exit from junction 6.

The difference in the final answer is due to round-off errors in the handbook calculations.

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