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구조해석을 통한 T/CON 피스톤 처짐량 및 피로수명에 대한 연구
임상우(Sangwoo Lim),이웅철(Woongchul Lee),권의섭(Eaisub Kwon),신순철(Sooncheol Shin),주인식(Insik Joo) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Torque converter consists of fluid clutch and lock-up clutch. When the lock-up clutch activates, piston operation transfers the engine power to the transmission. In recent times, in order to meet the requirements for light weight and stability, Torque converter requires optimized design using structural analysis considering maximum load. The most effective parts to lightweight is piston of lock-up clutch which is necessary design criteria. In addition, study for life optimization was conducted. For analysis, piston shape is of single facing clutch type. In the future, this study will aid for structural design of piston.
성덕환(Dukhwan Sung),오종선(Jongsun Oh),조재호(Jaeho Cho),송경(Kyoung Song),권의섭(Eaisub Kwon) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, an optimization process for a torque converter performance using design for six sigma is presented. An optimization is performed to improve the fuel economy and drive performance of vehicle by optimizing torque converter capacity factor Cf. To optimize Cf curve, L18 orthogonal array is used for experiments design and 8 control factors and 4 noise factors are selected. The fuel economy and drive performance results are found from the vehicle performance simulation. After the normalizing and indexing of simulation results, the optimum torque converter Cf is deduced. Torque converter which can realize an optimum performance is designed by CFD analysis. The result shows that fuel economy can be improved by the optimization process.