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Q2 120 kg/min Air (Cp=1.005 kJ/kg.K) enters a heat exchanger at a 288K and 0.03 km/s and its temperature increased by 785K. The exit stream is fed to a turbine at which 150 K further reduction in temperature was noticed due to the expansion process. On the other hand, the velocity of the air is doubled before it is sent to a nozzle. Further expansion took place in the nozzle resulted in another 150 K reduction in the stream's temperature. Calculate rate of heat lost in the heat exchanger, power of the turbine, and exit velocity of the nozzle.

Q2 120 kg/min Air (Cp=1.005 kJ/kg.K) enters a heat exchanger at a 288K and 0.03 km/s and its temperature increased by 785K. The exit stream is fed to a turbine at which 150 K further reduction in temperature was noticed due to the expansion process. On the other hand, the velocity of the air is doubled before it is sent to a nozzle. Further expansion took place in the nozzle resulted in another 150 K reduction in the stream's temperature. Calculate rate of heat lost in the heat exchanger, power of the turbine, and exit velocity of the nozzle.

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
Problem 1.1P
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Q2 120 kg/min Air (Cp=1.005 kJ/kg.K) enters a heat exchanger at a 288K and 0.03 km/s and its temperature increased by 785K. The exit stream is fed to a turbine at which 150 K further reduction in temperature was noticed due to the expansion process. On the other hand, the velocity of the air is doubled before it is sent to a nozzle. Further expansion took place in the nozzle resulted in another 150 K reduction in the stream's temperature. Calculate rate of heat lost in the heat exchanger, power of the turbine, and exit velocity of the nozzle.
Transcribed Image Text:Q2 120 kg/min Air (Cp=1.005 kJ/kg.K) enters a heat exchanger at a 288K and 0.03 km/s and its temperature increased by 785K. The exit stream is fed to a turbine at which 150 K further reduction in temperature was noticed due to the expansion process. On the other hand, the velocity of the air is doubled before it is sent to a nozzle. Further expansion took place in the nozzle resulted in another 150 K reduction in the stream's temperature. Calculate rate of heat lost in the heat exchanger, power of the turbine, and exit velocity of the nozzle.
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