Repeat Prob. 14??59 for a slightly rounded entrance (K L = 0.12). Repeat Prob . Consider flow

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Repeat Prob. 14??59 for a slightly rounded entrance (KL= 0.12).

Repeat Prob.

Consider flow from a water reservoir through a circular hole of diameter D at the side wall at a vertical distance H from the free surface. The flow rate through an actual hole with a sharp-edged entrance (KL = 0.5) is considerably less than the flow rate calculated assuming ??frictionless?? flow and thus zero loss for the hole. Disregarding the effect of the kinetic energy correction factor, obtain a relation for the ??equivalent diameter?? of the sharp-edged hole for use in frictionless flow relations.

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Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

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