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Unformatted text preview: ulation of water vapor pressure at 100C: Gage pressure in terms of water column Atmospheric 8.1 Cavitation in Pumps + + V1= 0, P1= Patm V2 Vs, P2 PS
2 + 1 3 + Net Positive Suction Head avaliable (NPSHA) = = Net Positive Suction Head Required (NPSHR) = To avoid cavitation P3> PV > Safety factors other dissolved gases in water, Example 8.2 (Problem 5.6.3; Hwang, 3rd Edition ): A pump is installed 1-3 m above a
supply reservoir (depending on the fluctuation level) and delivers 200C water to an elevated
tank. The elevation difference is 4...
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- Spring '14