Chapt06

P6121 consider the three reservoir system of fig

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Unformatted text preview: requires iteration and is best suited to a digital computer.) P6.124 The three-reservoir system in Fig. P6.124 delivers water at 20°C. The system data are as follows: D1 D = 15 in L = 1200 ft P6.118 v L3 L1 2 | 8 in L1 1800 ft L2 D2 6 in D3 9 in 1200 ft L3 1600 ft All pipes are galvanized iron. Compute the flow rate in all pipes. P6.125 Modify Prob. 6.124 as follows. Let all data be the same except z3, which is unknown. What value of z3 will cause the flow rate through pipe 3 to be 1.0 ft3/s toward the junction? Textbook Table of Contents | Study Guide 416 Chapter 6 Viscous Flow in Ducts z2= 100 ft p2 p1 z3= 50 ft L1 z1= 20 ft L2 2 a L3 3 p4 1 P6.124 p3 L4 J P6.129 P6.126 Modify Prob. 6.124 as follows. Let all data be the same except that pipe 1 is fitted with a butterfly valve (Fig. 6.19b). Estimate the proper valve opening angle (in degrees) for the flow rate through pipe 1 to be reduced to 1.5 ft3/s toward reservoir 1. (This problem requires iteration and is best suited to a digital c...
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