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| Teaching Since: | May 2017 |
| Last Sign in: | 408 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
Cavitation is expected in an overflow siphon where the head is −7 m, the water temperature 10 ◦C and the rate of flow 7 m3 ·s−1. The conditions are to be reproduced on a 1/12th-scale model operating in a vacuum chamber with water at 20 ◦C. If viscous and surface tension effects may be neglected, calculate the pressure required in the vacuum chamber and the rate of flow in the model (Hint: In the absence of friction the velocity in the siphon is determined only by the overall head difference, and the pressure at a point by the fluid velocity and the elevation of the point. Saturated vapour pressure of water = 1230 Pa at 10 ◦C; 2340 Pa at 20 ◦C.)
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