局所的ガーニーフラップによる航空エンジン用高負荷低圧タービン翼列の二次流れ制御

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タイトル別名
  • Studies on Localized Gurney Flap to Control Secondary Flow Effects in a High-Lift LP Turbine Cascade for Aero-Engines

抄録

<p>This study aims at numerical investigations on aerodynamic performance improvement of highly loaded low pressure turbine (LPT) airfoils by use of trailing edge device whose design concept is taken from Gurney flap for a racing car rear wing. The newly proposed device in this study, called localized Gurney flap (LGF), is a small protrusion on the pressure surface near the trailing edge. The purpose of the device is to reduce the secondary flow effects near the hub section of the LPT cascade with no severe additional aerodynamic penalties. Based on the original shape of LGF, DoE (Design of Experiment) is carried out to explore different types of devices that exhibit better performance than the original device numerically.</p>

収録刊行物

  • 年次大会

    年次大会 2020 (0), J05101-, 2020

    一般社団法人 日本機械学会

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