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유량 단속식 워터펌프의 연비 향상 및 배기가스 저감에 대한 실험적 연구
김명곤(Myeong Gon Gim),정정훈(Jung Hun Jung),신윤혁(Yoon Hyuk Shin),김성철(Sung Chul Kim),김현철(Hyun Chul Kim),오창복(Chang Boke Oh) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
The use of the electromagnetic clutch water pump for internal combustion engine saves fuel and leads to a reduction in emissions. The clutch water pump allows the engine cooling system to select the optimum operation condition. This study investigated the effects of the diesel engine cooling system using the clutch water pump on chassis dynamometer. The electromagnetic clutch operation reduced by 49% engine warm up period at idle condition and controlled the optimum coolant temperature at driving condition. Therefore, emissions such as HC, CO and CO₂ were reduced to a certain degree and fuel consumption was also enhanced by 5.3%, compared to those of the conventional water pump with NEDC mode which represents the real driving pattern.