Abstract
軸流圧縮機の翼列翼の曲げ振動と,前段翼列後流励振との共振に対する強制振動外力である後流励振力と減衰力である曲げ振動空気力について,特に圧縮性流れ中の翼列翼に特徴的な音響共鳴点近傍の特性と,共振応答振幅値に与える効果を調べた.その結果両空気力は所与翼列でマッハ数,翼間位相差一定の場合,無次元振動数を変えて複素平面上に表示すると,音響共鳴点で零となりその近傍で原点を通る円形を描く特性を有する等の知見を得た.
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