(A+)열유체설계및실험_냉장시스템_결과레포트
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- 2022.07.07
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- 2021.10
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목차
Ⅰ. Result
Ⅱ. Discussion
Ⅲ. Conclusion
Ⅳ. Reference
Ⅴ. Appendix
본문내용
1. Experiment 1,2,3
Let's compare these three experiments because the experimental conditions 1, 2, and 3 are all the same and there is a difference only in the fan speed of the condenser(1 is Low, 2 is Medium, 3 is High).
In table 3, it can be seen that the COP values of Experiments 1, 2, and 3 are gradually decreasing to 5.37, 4.59, and 3.84. And the isentropic compressor efficiency is also 1.06, 0.92, and 0.7, respectively, indicating that the efficiency decreases as the fan speed increases. This means that as the fan speed of the condenser increases, both performance and efficiency decrease. The reason for this is probably due to the increase in the speed of the condenser fan, the refrigerant that has discharged a lot of heat does not get as much heat from the evaporator, so the cooling efficiency is low. In fact, the difference in enthalpy between the inlet and outlet of the condenser is 207, 211, 213 kJ/kg, respectively, 1,2,3, which means that more heat is released.
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