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| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 2 Days Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A conical funnel of half-angle θ = 30 drains through a small hole of diameter d = 6:25 mm. at the vertex. The speed of the liquid leaving the funnel is V = ffiffiffiffiffiffiffi 2gy p , where y is the height of the liquid free surface above the hole. The funnel initially is filled to height y0 = 300 mm. Obtain an expression for the time, t, for the funnel to completely drain, and evaluate. Find the time to drain from 300 mm to 150 mm (a change in depth of 150 mm), and from 150 mm to completely empty (also a change in depth of 150 mm). Can you explain the discrepancy in these times? Plot the drain time t as a function diameter d for d ranging from 6.25 mm to 12.5 mm. Momentum Equation for Inertial Control Volume
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