軸方向の分布荷重をもつ非対称断面回転円板の定常クリープの解析

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  • An Analysis of Creep in Disks Rotating under Axial Loads and Having Asymmetrical Profiles
  • ジク ホウコウ ノ ブンプ カジュウ オ モツ ヒタイショウ ダンメン カイテン エンバン ノ テイジョウ クリープ ノ カイセキ

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This paper presents an analysis on the steady state creep in rotating disks with asymmetrical profiles subjected to the axial loads. Similar disks are frequently used in gas turbines and jet engines under the conditions similar to those discussed in this paper. In the analysis the bending moments due to the axial loads and the asymmetry of the profiles are taken into consideration as well as the centrifugal force. The solutions obtained by a numerical method (Runge-Kutta method) indicated that the bending stresses cannot be ignored, even if the axial loads and asymmetry of the profiles appear to be negligibly small.

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