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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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In this study, performance of R410A(50%R32/50%R125) and HFC32/HFC125 mixture is measured to examine the effect of composition shift of R410A used for various air-conditioners and heat pumps. The composition of HFC32/HFC125 mixture varies from the reference
composition of R410A ±10% with 5% interval. Tests carried out in a heat pump bench tester at the evaporation and condensation temperatures of 7/45℃ and -7/41℃ for summer and winter conditions, respectively. Test results show that both the coefficient of performance (COP) and compressor power of the HFC32/HFC125 mixture have the maximum difference of 2.0% as compared to those of R410A. Compressor discharge temperatures of HFC32/HFC125 mixture are increased up to 6.7℃ as compared to that of R410A. The amount of charge for HFC32/HFC125 mixture vary within 5.6% as compared to that of R410A. Overall, performance of R410A is not appreciably affected by the composition shift of ±10% of R32 under both air-conditioning and heat pumping conditions.
composition of R410A ±10% with 5% interval. Tests carried out in a heat pump bench tester at the evaporation and condensation temperatures of 7/45℃ and -7/41℃ for summer and winter conditions, respectively. Test results show that both the coefficient of performance (COP) and compressor power of the HFC32/HFC125 mixture have the maximum difference of 2.0% as compared to those of R410A. Compressor discharge temperatures of HFC32/HFC125 mixture are increased up to 6.7℃ as compared to that of R410A. The amount of charge for HFC32/HFC125 mixture vary within 5.6% as compared to that of R410A. Overall, performance of R410A is not appreciably affected by the composition shift of ±10% of R32 under both air-conditioning and heat pumping conditions.
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ABSTRACT
1. 서론
2. 실험장치 및 방법
3. 열역학 사이클 시뮬레이션
4. 실험결과 및 고찰
5. 결론
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UCI(KEPA) : I410-ECN-0101-2013-553-001324148