617 非線形バルクフロー理論を用いた平行環状シールのRD流体力の解析 : 同心円振れまわり時の振幅依存性

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  • 617 Analysis of the RD fluid force of the annular plain seal using nonlinear bulk flow theory : Characteristics of amplitude dependence in the case of concentric circular whirl

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For the rotor dynamic fluid force (RD fluid force) in the annular plain seal, linear bulk flow theory has been used with the assumption with small whirling amplitude. In this paper, the case of concentric circular whirl with moderate whirling amplitude such as a half of clearance is considered, and the nonlinear bulk flow theory is investigated. As a result, it is confirmed that the nonlinear component in RD fluid force is small and the linear bulk flow theory is effective for the case with the whirling amplitude up to a half of clearance.

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詳細情報 詳細情報について

  • CRID
    1573950402251192320
  • NII論文ID
    110010054296
  • NII書誌ID
    AA11901770
  • ISSN
    13480235
  • 本文言語コード
    ja
  • データソース種別
    • CiNii Articles

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