高速スラスト気体軸受の特性解析と最適設計（第１報，静・動特性解析とその実験的検証）

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書誌事項

タイトル別名
  • Theoretical Analysis and Optimum Design of High Speed Gas Film Thrust Bearings (1st Report, Static and Dynamic Characteristic Analysis with Experimental Verifications)
  • 1st Report, Static and Dynamic Characteristic Analysis with Experimental Verifications
  • 第1報, 静・動特性解析とその実験的検証
公開日
2006
DOI
  • 10.1299/kikaic.72.1311
公開者
一般社団法人 日本機械学会

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説明

This paper describes the theoretical and experimental investigations of static and dynamic characteristics of four types of high-speed gas film thrust bearings, such as stepped, pocketed, spiral and herring born grooved bearings. The specially designed test rig is used to measure the air film thickness, friction torque, spring and damping coefficients of air film under the high speed operation conditions from 20000 rpm to 40000 rpm. It is verified that the maximum error in the measurements by the present test rig is less than 7%. On the other hand, the measured results are compared with the theoretical results for checking the applicability of numerical analysis method to bearing design. Good agreements are seen between the measured results and theoretical predictions, and applicability of theoretical prediction method is confirmed with experimental verifications.

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