B301 HYBRID GAS BEARING WITH WATER EVAPORATION FROM ULTRA-FINE POROUS MEDIUM

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概要

• 論文の詳細を見る

• A hybrid gas bearing with water evaporation from ultra-fine porous medium is newly proposed. The proposed bearing is considered to be applied to microturbines and have mainly three advantages suitable for the applications. The first is the stability improved by water evaporation from ultra-fine porous medium. The second is the effective lubrication by liquid water at start and stop of the journal rotation. The third is the cooling effect on the high-temperature journal due to water evaporation. Fundamental characteristics of the proposed bearing are clarified on the basis of a numerical simulation for water vapor, and compared with the conventional bearings the improved performance is demonstrated. Also, transition from water to vapor lubrication is analyzed taking the two-phase properties into account. A preliminary experiment is conducted, and stable start of the journal rotation is confirmed.

• 一般社団法人日本機械学会の論文

著者

• Matsui Hiroki

  Department Of Medicine And Biological Science Gunma University Graduate School Of Medicine

• Yoshida Hideo

  Department Of Pediatric Surgery Chiba University Graduate School Of Medicine

• Egawa Takeshi

  Department Of Mechanical Engineering Kyoto University

• Saito Motohiro

  Department Of Mechanical Engineering Kyoto University

• ISHIBE Hideomi

  Nippon Seisen Co. , Ltd.

• YOSHITOMI Satoshi

  Department of Mechanical Engineering, Kyoto University

• Matsui Hiroki

  Department Of Mechanical Engineering Kyoto University

• Ishibe Hideomi

  Nippon Seisen Co. Ltd.

• Yoshitomi Satoshi

  Department Of Mechanical Engineering Kyoto University

• Matsui Hiroki

  Department Of Cardiovascular Medicine Gunma University School Of Medicine

• Matsui Hiroki

  Department Of Biological Science Graduate School Of Science Hiroshima University

• Yoshida Hideo

  Department Of Mechanical Engineering Kyoto University

• Yoshida Hideo

  Department Of Aeronautics And Astronautics Kyoto University

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