10 oC with a mass flow rate of 0.21 kg/s, and it leaves at a pressure of 1 MPa. The refrigerant enters the condenser at 1 MPa and leaves as a saturated liquid, and then throttled back to 0.10 MPa. The isentropic efficiency of the compressor is 88 percent. Disregard any heat transfer and pressure drops in the connecting lines between the components. 2.1 Show the cycle on the T-s diagram with respect to saturation lines. Determine: 2.2 the refrigeration capacity, 2.3
10 oC with a mass flow rate of 0.21 kg/s, and it leaves at a pressure of 1 MPa. The refrigerant enters the condenser at 1 MPa and leaves as a saturated liquid, and then throttled back to 0.10 MPa. The isentropic efficiency of the compressor is 88 percent. Disregard any heat transfer and pressure drops in the connecting lines between the components. 2.1 Show the cycle on the T-s diagram with respect to saturation lines. Determine: 2.2 the refrigeration capacity, 2.3
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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Question
Refrigerant -134a enters the compressor of a refrigerator as superheated vapour at 0.10 MPa and -10 oC with a mass flow rate of 0.21 kg/s, and it leaves at a pressure of 1 MPa. The refrigerant enters the condenser at 1 MPa and leaves as a saturated liquid, and then throttled back to 0.10 MPa. The isentropic efficiency of the compressor is 88 percent. Disregard any heat transfer and pressure drops in the connecting lines between the components.
2.1 Show the cycle on the T-s diagram with respect to saturation lines. Determine:
-
2.2 the refrigeration capacity,
-
2.3 the power input to the compressor,
-
2.4 the refrigerant temperature at the compressor exit, and
-
2.5 the coefficient of performance.
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