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연료전지 차량의 열 및 물 균형 유지를 위한 냉각 시스템 개발
김성균(Kim, Seong-Kyun),이승용(Lee, Seung-Yong),김치명(Kim, Chi-Myung),박용선(Park, Yong-Sun) 한국신재생에너지학회 2006 한국신재생에너지학회 학술대회논문집 Vol.2006 No.11
This paper Is for development of cooling module in order to maintain heat and water balance in fuel cell vehicle. Thermal management system for fuel cell is disadvantage because the temperature of coolant is lower than that of ICE and heat duty of radiator is higher. By CFD simulation, cool ing module was developed for water balance of system. Hot chamber test and hot area/high altitude test on cool ing module was completed.
연료전지차량의 스택 냉각수를 이용한 히터시스템 개발에 대한 연구
김응영(Eungyoung Kim),조후택(Hootak Cho),임균수(Kyoonsoo Lim),이승용(Seungyong Lee),김치명(Chimyung Kim),김철민(Cheolmin Kim) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Heating source of Our company’s FCEV was only high voltage PTC heater. This system has the merit of quick heating compared with existing heater system using waste heat energy of vehicle’s engine. But the system has the cold RAM AIR inflow problem to the passenger’s side at blower OFF and the fuel efficency falling-off problem (40.2%↓) by using 5㎾ high voltage PTC for heater operation. This study developed our company’s first hot-water heater using stack coolant in the second stage of MOHAVE FCEV and improved heating performance and fuel efficiency (max 38%↓) by combination of hot-water heater and PTC heater at optimal condition, and proposed guide about the development direction of FCEV, the next generation’s environment-friendly vehicle’s heater system.
김철민(Chulmin Kim),이원석(Wonsuk Lee),남강우(Kangwoo Nam),최이철(Yichul Choi),김재연(Jaeyeon Kim),김치명(Chimyung Kim) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Recently, FCEV has been well known for the low emission and environment-friendly vehicle to the automotive industry. There are many differences between FCEV(Fuel Cell Electric Vehicle) and ICEV(Internal Combustion Engine Vehicle). Especially, one of the main differences is cooling system. ICEV is to cool the engine system but FCEV is to cool the stack. For this reason, FCEV cooling system has to complement low outlet temperature of stack and much mass flow rate. On this paper, we have studied the high performance fan motor assembly with integrated controller of stack cooling system for FCEV and evaluated its performance and reliability under the certain test condition. In addition, in an effort to enhance the safety, we add self-diagnosis function to the inverter controller of fan motor. As a result, we have got satisfactory test result and the high performance fan motor assembly with integrated controller is applicable to the stack cooling module for FCEV.