f07_ps10_fall03

f07_ps10_fall03 - Fall 2003 Unified Engineering Fluids...

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Unformatted text preview: Fall 2003 Unified Engineering Fluids Problem F7 F7. A pipe of cross-sectional area A suddenly increases to an area of 10 A. The air velocity in the pipe is V , and the pressure at station 1 is p1 . After undergoing mixing in the larger pipe, the velocity b ecomes uniform again at station 2, where the velocity is V2 , and the pressure is p2 . Assume the density � is constant everywhere (low speed flow). Be sure to clearly draw the control volume you will be using. A p1 V a) Determine the velocity V2 . b) Determine the pressure difference p2 − p1 . p2 V2 10 A ...
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