A Carnot refrigerator has tetrafluoroethane as the working fluid. The cycle is the same as that shown
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Question:
A Carnot refrigerator has tetrafluoroethane as the working fluid. The cycle is the same as that shown by Fig. 8.2, except the directions are reversed. For T C = ?12?C and T H = 40?C, determine:
(a) The pressures at states 1, 2, 3, and 4.
(b) The quality x v at states 3 and 4.
(c) The heat addition per kg of fluid.
(d) The heat rejection per kg of fluid.
(e) The mechanical power per kg of fluid for each of the four steps.
(f) The coefficient of performance ? for the cycle.
Figure 8.2: Carnot cycle on a TS diagram.
Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
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