Problem 3 During the isothermal heat rejection process of a Carnot cycle, the working fluid experiences an entropy change of -0.9 Btu/R. If the temperature of the heat sink is 110°F, determine (a) the amount of heat transfer, (b) the entropy change of the sink, and (c) the total entropy change for this process. Problem 4 1.5-lbm of water at 350 psia fill a weighted piston-cylinder device whose volume is 1 ft³. The water is then heated at constant pressure until the temperature reaches 550°F. Determine the resulting change in the water's total entropy.
Problem 3 During the isothermal heat rejection process of a Carnot cycle, the working fluid experiences an entropy change of -0.9 Btu/R. If the temperature of the heat sink is 110°F, determine (a) the amount of heat transfer, (b) the entropy change of the sink, and (c) the total entropy change for this process. Problem 4 1.5-lbm of water at 350 psia fill a weighted piston-cylinder device whose volume is 1 ft³. The water is then heated at constant pressure until the temperature reaches 550°F. Determine the resulting change in the water's total entropy.
Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy
Section: Chapter Questions
Problem 20P
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