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논문 기본 정보

자료유형
학술대회자료
저자정보
Zakir Hussain (Chosun University) Myeonjae Shin (Chosun University) Seongmin Choi (Chosun University) Jeonggyun Ham (Chosun University) Honghyun Cho (Chosun University)
저널정보
대한설비공학회 대한설비공학회 학술발표대회논문집 대한설비공학회 2024년도 하계학술발표대회 논문집
발행연도
2024.6
수록면
658 - 661 (4page)

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초록· 키워드

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With the advent of advanced air conditioning systems, it is increasingly necessary to monitor the environmental impact of working fluids. Currently, most systems use R134A as the working fluid, but due to its high ODP and GWP, its use needs to be curtailed. Considering that this study numerically evaluates the performance of air conditioning systems with different low GWP refrigerants as a potential alternative to R134A. This research examines the suitability of three possible refrigerant substitutes - R365mfc, R1234yf, and R1234ze(Z) to replace R134A. EES has been used for analyzing and modelling. A numerical model was built in the professional version of EES and comparative simulation studies were conducted. The study focuses on the output parameters including COP, cooling capacity and compressor work input under different operating conditions. The result shows that R1234ze(Z) was the best choice; however, R1234yf also produced a higher COP in the case of a more significant pressure difference, making it a competitor to R1234ze(Z). Furthermore, the R365mfc has the lowest compressor work value as compare to others. R1234yf can be chosen over R1234ze(Z) based on the working conditions.

목차

Abstract
1. Introduction
2. Method
3. Results and Discussion
4. Conclusion
References

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