CEIE 230 Assignment 09 Solution

# CEIE 230 Assignment 09 Solution - Pipe Node C L(ft D(in...

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CEIE 230 – Homework Assignment No. 9 Assigned April 7, 2008. Due April 14, 2008 at start of class. Water is in steady state flow in the pipe network shown at a constant elevation. Using the Hazen- Williams approach to calculate the headloss and a Hardy Cross approach to calculate flows, determine (a) the flow rate (Q), headloss (h L ) and pressure change ( P) of each pipe in the network and, (b) the pressure (P) of each node. (Note: To receive credit for this assignment you must include your calculations with the completed table).
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Unformatted text preview: Pipe Node C L (ft) D (in) Q (cfs) hL (ft) P (psi) Node P (psi) 1 120 800 12 -3.6 5.7 2.5 A 100 2 130 3000 18 -12.4 25.5 11.1 B 111.1 3 120 1800 16 7.6 12.7 5.5 C 105.6 4 110 2750 20 7.2 6.9 3.0 D 102.6 7 80 3700 8 -1.6 86.4 37.4 E 65.2 6 80 5280 18 10.4 80.1 34.7 F 99.9 5 140 1650 22 21.4 12.7 5.5 Ans: Q (1) = 3.59 ft 3 /sec; h L(3) = 12.69 ft; P (7) = -37.4 psi; P (F) = 99.9 psi 16 cfs 15 cfs 12 cfs 2 cfs 1 2 3 4 6 5 7 20 cfs 6 cfs Q = 11cfs A B C D E F...
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