Class37_Ex4 - Solution: S = 0.93 Steel pipe = 105 m 2 s , Q...

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Solution: 0.93 S = Steel pipe 52 10 ms ν = , 3 0.1 Qm s = , 30 f hm = per km=1000m Find D and f P Qh γ = per km 2 2 f LV hf Dg = 15 22 2 8 8 1000 .1 0.4875 29 . 8 1 3 0 ff fL V LQ Df f f hg g h ππ ⎡⎤ ×× == = = ⎢⎥ ⎣⎦ Assume 0.015 f = , 0.21 Dm ⇒= 4 2 44 Re 6 10 VD QD Q DD νπ π = = × 0.0002 s kD = , 0.022
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