Applied Fluid Mechanics (7th Edition)
Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 12, Problem 12.6PP

For the system shown in Fig. 12.11 the pressure at A is maintained constant at 20 psig. The total volume flow rate exiting from the pipe at B depends on which valves are open or closed. Use K   = 0.9 for each elbow, but neglect the energy losses in the tees. Also, because the length of each branch is short, neglect pipe friction losses. The steel pipe in branch 1 is 2-in Schedule

40, and branch 2 is 4-in Schedule 40. Calculate the volume flow rate of water for each of the following conditions:

  1. Both valves open.

  • Valve in branch 2 only open.
  • Valve in branch 1 only open.
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