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동역학적 해석 기법을 이용한 댐퍼 스토퍼 형상 최적화에 대한 연구
서중교(Junggyo Seo),홍순석(Soonseok Hong),장재덕(Jaeduk Jang),주인식(Insik Joo) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
Torque converter in automatic transmission transfers the engine power to transmisson by ATF and lock-up clutch. The lock-up clutch connects the engine torque directly to transmission. At this moment, the relative rotational speed difference between engine and transmission, so the impact may occur. Because of this resistance and durability are required. In an effort to compensate for the impact of mechanical stopper is applied. The shape of the mechanical stopper affects the stress distribution of lock-up clutch. In this work, Using Dynamic Analysis of stress distribution on the shape of the mechanical stopper and safety confirmed, and studied its optimal shape.
유한요소 해석을 이용한 토션 댐퍼의 온도 분포와 열응력에 대한 연구
서중교(Junggyo Seo),홍순석(Soonseok Hong),장재덕(Jaeduk Jang),주인식(Insik Joo) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
The current automotive market, competition for the development of a hybrid car is accelerating. Due to stricter environmental regulations and development of alternative energy vehicles is required. Hybrid vehicles significantly reduce fuel consumption and harmful gas emissions. In hybrid vehicle system, torsion damper makes the powertrain system stabilized by reducing the fluctuation torque of various engine system when the engine using. Torsion damper structure in the present study sensor wheel and ring gear is manufactured by welding. At this time, the temperature will rise temporarily when combined torsion damper welded. Due to the temperature rise, it is important to design the thermal deformation of the torsion damper internal parts and does not exceed the allowable temperature. In this work, the torsion damper thermal deformation and thermal stress analysis was used for ANSYS.