Question

Air at 40° C flow steadily through the pipe shown in If P1 = 40 kPa (gage), P2 = 10 kPa (gage), D = 3d, Patm ≅ 100 kPa, the average velocity at section 2 is V2 = 25 m/s, and air temperature remains nearly constant, determine the average speed at section 1

P1
P2
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Transcribed Image Text

P1 P2

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