a. Liquid sodium, flowing at 1000kg/s, enters a heat exchanger at 450°C and exits at 350°C. The C of sodium is 1.25 kJ/kg C. Liquid water enters at 5000kPa and 20°C and leaves as saturated gas at 5000kPa. The heat exchanger is adiabatic. Determine the mass flowrate of the water (kg/s)

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
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a. Liquid sodium, flowing at 100kg/s, enters a heat exchanger at 450°C and exits at 350°C. The Cp
of sodium is 1.25 kJ/kg C. Liquid water enters at 5000kPa and 20°C and leaves as saturated gas
at 5000kPa. The heat exchanger is adiabatic.
Determine the mass flowrate of the water (kg/s)
b. 2 kg of air are compressed from 210kPa to 2000kPa while maintaining the temperature constant
at 30°C. Calculate the required heat transfer in kJ. Assume Ideal Gas Rer=287 1/kgk
Transcribed Image Text:A a. Liquid sodium, flowing at 100kg/s, enters a heat exchanger at 450°C and exits at 350°C. The Cp of sodium is 1.25 kJ/kg C. Liquid water enters at 5000kPa and 20°C and leaves as saturated gas at 5000kPa. The heat exchanger is adiabatic. Determine the mass flowrate of the water (kg/s) b. 2 kg of air are compressed from 210kPa to 2000kPa while maintaining the temperature constant at 30°C. Calculate the required heat transfer in kJ. Assume Ideal Gas Rer=287 1/kgk
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