A Carnot heat engine is used to power a Carnot refrigerator that operates between 258.15 K and 293.15 K. In the heat engine, water is used as the working fluid. Heat is added to the water at 473.15 K, where it changes from saturated liquid to saturated vapor. Heat is rejected from the heat engine at P=20 kPa and constant temperatue. Calculate (a) The heat added to the water per kilogram of water (b) The amount of heat that must be added to the water so that the refrigerator can remove 1 kJ of heat from the cold reservoir.
A Carnot heat engine is used to power a Carnot refrigerator that operates between 258.15 K and 293.15 K. In the heat engine, water is used as the working fluid. Heat is added to the water at 473.15 K, where it changes from saturated liquid to saturated vapor. Heat is rejected from the heat engine at P=20 kPa and constant temperatue. Calculate (a) The heat added to the water per kilogram of water (b) The amount of heat that must be added to the water so that the refrigerator can remove 1 kJ of heat from the cold reservoir.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A Carnot heat engine is used to power a Carnot refrigerator that operates
between 258.15 K and 293.15 K. In the heat engine, water is used as the
working fluid. Heat is added to the water at 473.15 K, where it changes from
saturated liquid to saturated vapor. Heat is rejected from the heat engine at
P=20 kPa and constant temperatue. Calculate
(a) The heat added to the water per kilogram of water
(b) The amount of heat that must be added to the water so that the
refrigerator can remove 1 kJ of heat from the cold reservoir.
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