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1. Determine the friction factor, f if water at 71 °C is flowing at 9.1 m/s...

1. Determine the friction factor, f if water at 71 °C is flowing at 9.1 m/s in 25.4 mm Schedule 40 steel pipe. Given, roughness, Ɛ = 4.57 X 10-5 m.

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Answer #1

Reynolds Number for the flow is :-

i.e. Kinematic Viscosity of water at 71 C is m2/s.

d = 25.4 mm = 25.4 x m

V = 9.1 m/s

Hence,

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