A heat engine operates between a heat-source reservoir at a T = 535 K and a heat-sink reservoir at a T = 315 K. The heat engine has a thermal efficiency equal to 38% of the Carnot engine efficiency for the same temperatures. a.) What is the thermal efficiency ? of the heat engine? b.) What amount of heat is transferred from the hot reservoir if the net power output is 215 kW? c.) What amount of heat is transferred to the cold reservoir if the total power output is 215 kW?
A heat engine operates between a heat-source reservoir at a T = 535 K and a heat-sink reservoir at a T = 315 K. The heat engine has a thermal efficiency equal to 38% of the Carnot engine efficiency for the same temperatures. a.) What is the thermal efficiency ? of the heat engine? b.) What amount of heat is transferred from the hot reservoir if the net power output is 215 kW? c.) What amount of heat is transferred to the cold reservoir if the total power output is 215 kW?
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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A heat engine operates between a heat-source reservoir at a T = 535 K and a heat-sink reservoir at a T = 315
K. The heat engine has a thermal efficiency equal to 38% of the Carnot engine efficiency for the same
temperatures.
a.) What is the thermal efficiency ? of the heat engine?
b.) What amount of heat is transferred from the hot reservoir if the net power output is 215 kW?
c.) What amount of heat is transferred to the cold reservoir if the total power output is 215 kW?
d.) What is the total entropy change of the system (heat engine working fluid) for one complete cycle of the heat engine?
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