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Abstract <p>Comparative experiments assessed the effectiveness of thermal shield generated by blowing through a band of fan-shaped holes. A feasible scheme for trailing edge cutback in the vertical plane of a fan-shaped hole was derived at a given divergence ratio in the transverse direction. The highest thermal shield effectiveness was observed at a blowing angle of 45 deg in the considered range of parameter variation. The feasible scheme was obtained from the comparative analysis of modified and basic versions.</p>

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Cutback of Trailing Edge of a Fan-Shaped Hole Contributing to the Film Cooling Effectiveness at a Blowing Angle of 45 deg

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • E. Yu. Marchukov,
  • A. V. Il’inkov,
  • A. V. Shchukin,
  • V. V. Takmovtsev,
  • K. V. Kakhovskii

摘要

Abstract

Comparative experiments assessed the effectiveness of thermal shield generated by blowing through a band of fan-shaped holes. A feasible scheme for trailing edge cutback in the vertical plane of a fan-shaped hole was derived at a given divergence ratio in the transverse direction. The highest thermal shield effectiveness was observed at a blowing angle of 45 deg in the considered range of parameter variation. The feasible scheme was obtained from the comparative analysis of modified and basic versions.