5 The suction side of a pipe system is as shown in Fig. P15.55. The pump discharges 495 gpm of water under a total head of 100 ft at 40°F. Atmospheric pressure 32.7 ft of water. Deter- mine the (a) available NPSH, and (b) cavitation parameter. If the required NPSH is 9, will there be a cavitation problem? Figure P15.55

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Problem 15.55
15.55 The suction side of a pipe system is as shown in Fig. P15.55. The pump discharges 495
of water under a total head of 100 ft at 40°F. Atmospheric pressure 32.7 ft of water. Deter-
mine the (a) available NPSH, and (b) cavitation parameter. If the required NPSH is 9, will
there be a cavitation problem?
gpm
Figure P15.55
8-in, dia, 250 ft
Steel
10 ft
6 ft
Transcribed Image Text:15.55 The suction side of a pipe system is as shown in Fig. P15.55. The pump discharges 495 of water under a total head of 100 ft at 40°F. Atmospheric pressure 32.7 ft of water. Deter- mine the (a) available NPSH, and (b) cavitation parameter. If the required NPSH is 9, will there be a cavitation problem? gpm Figure P15.55 8-in, dia, 250 ft Steel 10 ft 6 ft
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