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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The pressure rise, ∆p = p2 - p1, across the abrupt expansion of Fig. P7.32 through which a liquid is flowing can be expressed as
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where A1 and A2 are the upstream and downstream cross-sectional areas, respectively, ρ is the fluid density, and V1 is the upstream velocity. Some experimental data obtained with A2 = 1.25 ft2 , V1 = 5.00 ft/s, and using water with ρ = 1.94 slugs/ft3 are given in the following table:
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Plot the results of these tests using suitable dimensionless parameters. With the aid of a standard curve fitting program determine a general equation for ∆p and use this equation to predict ∆p for water flowing through an abrupt expansion with an area ratio A1/A2 = 0.35 at a velocity V1 = 3.75 ft/s.

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