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알루미늄 냉각 판을 이용한 하이브리드/전기차용 배터리 냉각시스템의 수치적 연구
백승기(Seungki Baek),박성진(Sungjin Park) 한국자동차공학회 2014 한국 자동차공학회논문집 Vol.22 No.3
The battery cells in lithium-ion battery pack assembled with high-capacity and high-power pouch cells, are commonly cooled with thin aluminum cooling plates in contact with the cells. For HEV/EV lithium-ion battery systems assembled with high-capacity, high-power pouch cells, the cells are commonly cooled with thin aluminum cooling plates in contact with the cells. Thin aluminum cooling plates are cooled by cold plate with coolant flow paths. In this study, the effect of the battery cooling system design including aluminum cooling plate thickness and various position of cold plate on the cooling performance are investigated by using finite element methods (FEM). Optimal cooling plate and cold plate design are proposed for improving the uniformity in temperature distributions as well as lowering average temperature for the cells with large capacities based on the simulation results.
전개형 후드 장착차량의 보행자 충돌시 두부 상해치 저감 영향평가 연구
김준의(Junyi Kim),류근형(Keunhyeong Ryu),백승기(Seungki Baek),박규일(Kyuil Park) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
It has been already announced that the Deployable Hood system consider in Korea inspection, so manufacturers developed their Vehicles with following it. But after 2015, KNCAP change test protocols, new assessment replace Pedestrian Protection scoring. Based on the new protocol, it needs to check how much improve by using Deployable Hood system. Also, studying about different size of car, we can compare with the performance improvement on each case, and propose the best one. Furthermore, correlation between theory and physical test will be continued, it suppose to make a criteria for development.
신차안전도 평가방법 변경에 따른 승객 체형 별 영향성 평가
남정인(Joungin Nam),박규일(Kyuil Park),백승기(Seungki Baek) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
In 2013 Korean New Car Assessment Program(KNCAP), An assessment of the 5<SUP>th</SUP> %ile female Hybrid Ⅲ dummy in the front passenger position was initiated for protecting transportation vulnerable. In 2017, not only the front passenger seat, roadmap to assess female occupant in the drivers seat is presented. To satisfy the assessment of the 5<SUP>th</SUP> %ile female dummy, manufacturer is developing and optimizing restraints system. In this paper, series of sled test were conducted to 50<SUP>th</SUP> %ile and 95<SUP>th</SUP> %ile Hybrid Ⅲ dummy in order that restraints system optimized for female passenger can satisfy injury value to the various occupants.