HW__3___08 - BEE 331 Bio-Fluid Mechanics HW # 3 Summer 08...

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BEE 331 Bio-Fluid Mechanics HW # 3 Summer 08 Manometers 1. A mercury manometer is used to measure the pressure difference in the two piplines of the figure shown. Fuel oil ( γ = 53.0 lb/ft 3 ) is flowing in A and SAE 30 lube oil ( = 57.0 lb/ft 3 ) is flowing in B. An air pocket has become entrapped in the lube oil as indicated. Determine the pressure in pipe B if the pressure in A is 15.3 psi. (Unit weight of water = 62.4 lb/ft 3 ). 2. Sleep apnea is a disorder involving brief interruptions of breathing during sleep. Many patients who suffer from sleep apnea can benefit from devices that maintain a continuous positive airway pressure in their trachea. Part of this device contains a pressure sensor that can be used to monitor pressure during sleep. Since pressure changes are small, an inclined manometer is used. Determine the maximum angle θ if the pressure meter must be sensitive 5 Pa changes in airway pressure. The inclined scale is sensitive to readings of ± 0.002 mm. The
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This note was uploaded on 03/29/2009 for the course BEE 3310 taught by Professor Gebremedhin,k. during the Summer '07 term at Cornell University (Engineering School).

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HW__3___08 - BEE 331 Bio-Fluid Mechanics HW # 3 Summer 08...

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