Experimental investigation on cavitation performance of torque converter using transparent model

Yusuke Katayama, Yuki Hosoi, Yuta Fukuda, Satoshi Watanabe, Shin Ichi Tsuda, Yoshihide Mori, Kazuyoshi Ito

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

In this study, we experimentally investigated the influence of the amount of dissolved air in working fluid and the rotation speed ratio of turbine to pump elements on cavitation phenomenon in automotive torque converter. In order to directly observe the cavitation phenomenon, transparent model was used. The applied charge pressure was varied to change the significance of cavitation. The pump and turbine torques were simultaneously measured to clarify the relation between torque performance and cavitation phenomenon. As a result, the cavitation region was found to depend on the speed ratio; cavitation occurred on the suction side of turbine blades at low speed ratios while in the pump region at high speed ratios. The effect of the amount of dissolved air was significant, which enhanced the growth of cavitation bubbles through the deposition of dissolved air. In such cases, with the further decrease of charge pressure, a large number of gaseous cavitation bubbles appeared in the whole flow passage. The torque performance was deteriorated at this stage.

本文言語英語
ホスト出版物のタイトルFluid Applications and Systems
出版社American Society of Mechanical Engineers (ASME)
ISBN(電子版)9780791859056
DOI
出版ステータス出版済み - 1 1 2019
イベントASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference, AJKFluids 2019 - San Francisco, 米国
継続期間: 7 28 20198 1 2019

出版物シリーズ

名前ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference, AJKFluids 2019
3B-2019

会議

会議ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference, AJKFluids 2019
Country米国
CitySan Francisco
Period7/28/198/1/19

All Science Journal Classification (ASJC) codes

  • Fluid Flow and Transfer Processes

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