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Development of analytical technology for cryogenic temperature ATF fluidity
Jaemin Seo(서재민),Jisun Lee,Yasuo Yabuzaki,Akira Tsuchida,Yuuta Yamanashi 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
Transmissions are operated by oil pressure, but ATF viscosity is going to increase in the cryogenic temperature, and oil pressure control becomes difficult. It makes the fluidity of ATF even worse to reduce the internal space by downsizing of Transmission. Therefore, a study on the fluid flow in the cryogenic temperature is a critical issue for transmission design. In this paper, it will introduce the improvement of oil-pressure by visualization and optimization.