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Problem 2 ,3 .). In a steam power plant, liquid water at the exit of the condenser is at 20 °C and 100 kPa. The pump used to increase its pressure to 2000 kPa operates adiabatically but irreversibly. If the flow rate of the water is 3.2 kg/s and the isentropic efficiency of the pump is 0.65, calculate:

Problem 2 ,3 .). In a steam power plant, liquid water at the exit of the condenser is at 20 °C and 100 kPa. The pump used to increase its pressure to 2000 kPa operates adiabatically but irreversibly. If the flow rate of the water is 3.2 kg/s and the isentropic efficiency of the pump is 0.65, calculate:

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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Book: Introduction to Chemical Engineering Thermodynamics 8 edition, 2018 (Smith, J.M., Van Ness, H.C., Abbot, M.M., Swihart.)

Problem 2 3 .). In a steam power plant, liquid water at the exit of the condenser is at 20 °C and 100 kPa. The pump used to increase its pressure to 2000 kPa operates adiabatically but irreversibly. If the flow rate of the water is 3.2 kg/s and the isentropic efficiency of the pump is 0.65, calculate: a) The power input to the pump in kW. b) The specific enthalpy of water at the pump exit in kJ/kg.
Transcribed Image Text:Problem 2 3 .). In a steam power plant, liquid water at the exit of the condenser is at 20 °C and 100 kPa. The pump used to increase its pressure to 2000 kPa operates adiabatically but irreversibly. If the flow rate of the water is 3.2 kg/s and the isentropic efficiency of the pump is 0.65, calculate: a) The power input to the pump in kW. b) The specific enthalpy of water at the pump exit in kJ/kg.
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