압축기 회전수 변화에 따른 R134a/R1234yf 혼합냉매를 적용한 자동차 공조 시스템의 성능 특성에 대한 해석적 연구

• 영문명: Analytical Study on the Performance Characteristics of Automobile Air-Conditioning System Using the Mixed Refrigerant R134a/R1234yf for Varying Compressor Rotation Speeds
• 발행기관: 한국산업기술융합학회(구. 산업기술교육훈련학회)
• 저자명: 김태중(Tae-Jung Kim)
• 간행물 정보: 『산업기술연구논문지』산업기술연구논문지 제26권 3호, 5~11쪽, 전체 7쪽
• 주제분류: 공학 > 공학일반
• 파일형태: PDF
• 발행일자: 2021.09.30

영문 초록

This study presents the performance analysis for an automobile air-conditioning system using the mixed refrigerant R134a/R1234yf with varying compressor rotation speeds. Accordingly, the compressor, condenser, expansion device, and evaporator of the automobile air-conditioning system were designed using the EES program, and the cooling capacity and COP of the automobile air-conditioning system using the mixed refrigerant were comparatively analyzed for simulated data. The cooling capacity using the mixed R134a/R1234yf(30%) system at a compressor rotation speed of 2500 rpm was about 6.13% lower than that using the R134a system alone. Moreover, the COP using the mixed R134a/R1234yf(30%) system at a compressor rotation speed of 2500 rpm was about 7.45% lower than that using the R134a system alone. The use of the R134a /R1234yf mixed refrigerant can thus reduce global warming potential; further, as there is no significant difference in performance compared with the system using only R134a, the applicability of the mixed R134a/R1234yf refrigerant is confirmed.

목차

Ⅰ. 서 론

Ⅱ. 시스템 모델링 및 해석 조건

Ⅲ. 해석 결과 및 고찰

Ⅳ. 결 론

참고문헌

키워드

압축기 회전수 냉방용량 성능계수 냉매 Compressor Rotationg Speed Cooling Capacity COP R134a R1234yf