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논문 기본 정보

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(고려대학교) (한온시스템) (한온시스템) (고려대학교) (고려대학교) (고려대학교) (고려대학교) (고려대학교)
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대한설비공학회 대한설비공학회 학술발표대회논문집 대한설비공학회 2022년도 하계학술발표대회 논문집
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    초록·키워드

    In this study, a new type of heat exchanger performance analysis was conducted. The new type of heat exchanger is a perpendicular flow offset strip fin type and is a multi-heat source heat exchanger, which is a different type of heat exchanger. The working fluid was R1234yf and the coolant was 50% ethylene glycol. In conclusion, The heat transfer coefficient of the coolant was obtained using the Modified Wilson plot method, and an appropriate value was obtained with an error of 1.3% from the experimental value. The heat transfer coefficient of the refrigerant was obtained by utilizing this coolant heat transfer coefficient. As a result, it was found that the offset trip fin type applied as a perpendicular flow had a large effect on the pressure drop. And as a result of comparing the heat transfer coefficients of the refrigerant and the coolant, the heat transfer coefficient of the refrigerant was 67% smaller than the heat transfer coefficient of the coolant.

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