Question

Water at 27℃ flows from a storage tank through 170 m of a steel pipe


Water at 27℃ flows from a storage tank through 170 m of a steel pipe with an internal diameter of 154 mm. Taking the energy loss due to friction into account, calculate the required head h above the pipe inlet to produce a volume flow rate of 70.8 L/s.

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Answer #1

Simple application of Bernauli theorem considering friction losses. for calculating friction factor I have used Swamie and Jain formula, one can use some other formula also. process will be the same. pressure at the top is not given so I took it to be atmospheric pressure. And dia of the tank is also not given so we can take to be large.

s assome- diameer of Jank- Baking D 77 d So VTVelocify of waler in 9atnk Vpveloy of waler in bipe no exta infornaion is given so we can ak e 0: 0208/ ndlu va 3.8nls key holds number CRe) ud 998 ks/ 9 987 3 87 15 10 Ae7300 37.sPOPU iion acox io on Sw a 0.2s hese e oughness of a pu9gin alues in 4h 001 fricion losses in pipe e v 2 Over bernavli Sheoreno New-applying-hern en P B.

POPU Page No. Date : f 998)( 9 8) (h) 1272 679 98 (38 So he requixed head is 13:n

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