배기열 회수 시스템을 적용한 엔진의 웜업 특성 해석
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Recently, improvement of vehicle economy at low temperature operating condition has become an issue. Utilizing waste heat of exhaust gas is effective to improve the overall vehicle economy. The exhaust heat recovery system transfers the thermal energy from “hot” exhaust gas to “cold” engine coolant, and heated coolant reduces engine warm-up time. Therefore, it is possible that vehicle economy is enhanced by reduced engine fiction loss. The current work evaluated the effect of the exhaust heat recovery system applied to the PHEV engine. Results showed an improvement of warm-up time for the engine thermal management system by use of the heat recovery system. Moreover, the warm-up characteristics were analyzed according to the variation of the thermal management system layout.
[1] 이중섭,et al. 대형 디젤 엔진 변속기 오일쿨링 팬 출구각도 변화가 팬 성능에 미치는 영향 , 2011 .