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자동차용 엔진 냉각시스템의 방열특성에 관한 실험적 연구
방청세(Chung-Sei Bang),마상용(Sang-Yong Ma),박경석(Kyoung-Suk Park),원종필(Jong-Phil Won) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_1
The higher output levels attained by automotive engines recently have been accompanied by an increase in the amount of heat released by the engine. This higher heat release level has caused the thermal load in the engine compartment to rise. As a result, greater emphasis has been placed on thermal analysis of heat radiation from the radiator and of heat release from the engine. Heat release to the coolant from the engine is releated with heat transfer. It is, thus, the essential element to analysis of heat transfer process in cooling system for an automotive engine.<br/> However, most of the research about heat release to the coolant is performed from the standpoint of combustion, so this research is done from the standpoint of heat transfer to the cooling system including the engine coolant.<br/> This study is performed on the analysis of heat release chracteristics in cooling system for an automotive engine according to the operating and cooling conditions.<br/> The results are summarized as follows :<br/> 1. The heat release is increased according as coolant temperature is decreased and coolant flowrate is increased.<br/> 2. The heat release is increased and heat release per power is decreased according as engine load is increased with same engine speed<br/> 3. The heat release is increased by increasing fuel comsumption according as engine speed is increased.<br/>
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원종필,방청세,마상용,박경석 慶熙大學校 1997 論文集 Vol.26 No.-
The higher output levels attained by automotive engines recently been accompanied by an increase in the amount of heat released by the engine. This higher heat release level has caused the thermal load in the engine compartment to rise. As a result, greater emphasis has been placed on thermal analysis of heat radiation from the radiator and of heat release from the engine. Heat release the coolant from the engine is released with heat transfer. It is. thus, the essential element to analysis of heat transfer process in cooling system for an automotive engine. However, most of the research about heat release to the coolant is performed from the standpoint combustion, so this research is done from the standpoint of heat transfer to the cooling system including the engine coolant. This study is performed on the analysis of heat release chracteristics in cooling system for an automotive engine according to the operating and cooling conditions. The results are summarized as follows: 1. The heat release is increased according as coolant temperature is decreased and coolant flowrate is increased. 2. The heat release is increased and heat release per power is decreased according as engine is increased with same engine speed. 3. The heat release is increased by increasing fuel comsumption according as engine speed increased.
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