舶用蒸気タービン主機推進軸系の非線形ねじり振動 Studies on Nonlinear Torsional Vibration of Marine Steam Turbine Propulsion Shafting

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Because a marine steam turbine propulsion shafting contains some gear trains which run idling at the transient condition such as astern operation, it is well known that the peculiar torsional vibraton phenomena with gear teeth chattering at the crash astern operation, etc.<BR>The author has considered that this phenomena is caused by not only the existing of the gear backlash but also the effect of the bearing oil film which results in self-exciting vibration. And he made a mathematical model of the propulsive shafting system including the gear backlash combined with the bearing oil film of the pinion gear in order to clarify this phenomena.<BR>By computer simulation using this mathematical model, it is concluded that the self-exciting vibration occurs at a certain shaft RPM due to the bearing oil film which gives an effect to such a peculiar torsional vibration as has a certain frequency unrelated to the number of the propeller blade and it can be explained well by this model.

収録刊行物

  • 日本舶用機関学会誌

    日本舶用機関学会誌 32(1), 37-49, 1997-01-01

    The Japan Institute of Marine Engineering

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各種コード

  • NII論文ID(NAID)
    10002041355
  • NII書誌ID(NCID)
    AN00196373
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03883051
  • NDL 記事登録ID
    4117568
  • NDL 雑誌分類
    ZN24(科学技術--運輸工学--船舶)
  • NDL 請求記号
    Z16-747
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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