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.
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.
T TH Tc S 2 3
Step by Step Solution
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Step: 1
a The pressures at the states 123 and 4 are As the temperatures are constant at state 1 and 2 so the ...
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Authors: Yunus A. Cengel, Michael A. Boles
8th edition
73398179, 978-0073398174
