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논문 기본 정보

자료유형
학술대회자료
저자정보
이현석 (한국자동차연구원) 허형석 (한국자동차연구원) 배석정 (한국자동차연구원) 이준용 (한국자동차연구원)
저널정보
한국자동차공학회 한국자동차공학회 춘계학술대회 2024 한국자동차공학회 춘계학술대회
발행연도
2024.6
수록면
1,152 - 1,156 (5page)

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초록· 키워드

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As environmental regulations are tightened, the use of refrigerants is also restricted. A centralized integrated thermal management system was developed by applying R290, a hydrocarbon-based natural refrigerant, to a refrigerant system for electric vehicles. In the thermal management system applying this, the flow path structure analysis and flow resistance of the coolant circulation system by operation mode according to the driving environment were analyzed. Flow resistance was also significant in models with high flow interference due to the flow path structure of the multi-way valve and the elements of the valve actuator. Because the flow cross-sectional area became smaller at the same flow rate, the flow rate and the pressure drop increased. Among the analytical models, the flow resistance is shown to be the smallest in the model with two outlet ports with the same cross-sectional area. This is because the flow path shape is symmetrically equal to the left and right, so the flow rate at the outlet port is divided into half of the inlet, and the flow rate also decreases proportionally. In this study, the flow path structure and flow resistance of multi-way valves that appear differently depending on the operation mode were analyzed. It will help to design a centralized integrated thermal management system properly, and since there are many shared parts of this study, it will help to design the common parts of the cooling circulation system comprehensively.

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Abstract
1. 서론
2. 다유로 밸브 해석 방법
3. 다유로 밸브 해석 결과
4. 결론
References

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