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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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- Fall '05