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Using Isentropic Processes/EfficienciesSaturated water
Chapter 6, Problem 154P(choose chapter or problem)
Saturated water vapor at \(300^{\circ} \mathrm{F}\) enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to \(800 \mathrm{\ lbf} / \mathrm{in}^{2}\) If the power input is 2150 hp, determine for the compressor (a) the isentropic compressor efficiency and (b) the rate of entropy production, in \(\mathrm{hp} /{ }^{\circ} \mathrm{R}\). Ignore kinetic and potential energy effects.
Questions & Answers
QUESTION:
Saturated water vapor at \(300^{\circ} \mathrm{F}\) enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to \(800 \mathrm{\ lbf} / \mathrm{in}^{2}\) If the power input is 2150 hp, determine for the compressor (a) the isentropic compressor efficiency and (b) the rate of entropy production, in \(\mathrm{hp} /{ }^{\circ} \mathrm{R}\). Ignore kinetic and potential energy effects.
ANSWER:Step 1 of 4 Given m = 5 lb/s W = 2150 hp in T = 300 F 0 p = 800 lbf/in