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논문 기본 정보

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

    In this study, thermal performance of the offset strip fin heat exchanger (OSFHX) with a perpendicular flow is experimentally investigated to improve the heat pump system of electric vehicles. The waste heat of electric vehicles is recovered through the coolant-side of the OSFHX and transferred to the heat pump through the refrigerant-side of the heat exchanger. The heat transfer coefficient of the coolant-side was obtained using the modified Wilson plot method, and that of the refrigerant-side was calculated based on the overall heat transfer coefficient. As a result of the baseline, the heat transfer capacity of the OSFHX was measured as 8 kW. When it comes to the heat transfer of both fluids, the heat transfer coefficient of the refrigerant-side was 67% smaller than that of the coolant-side. Throughout the modification of flow configuration, the heat transfer coefficient can be improved by 22%, and it resulted in a 10% increase in heat transfer capacity.

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