대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제29권5호
  • /
  • Pages.625-632
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  • 2005
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  • 1226-4881(pISSN)
  • /
  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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단단 천음속 축류압축기의 정익형상 최적설계

Shape Optimization of a Stator Blade in a Single-Stage Transonic Axial Compressor

  • 김광용 (인하대학교 기계공학부) ;
  • 장춘만 (한국건설기술연구원 화재설비연구부)
  • 발행 : 2005.05.01
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초록

This paper describes the shape optimization of a stator blade in a single-stage transonic axial compressor. The blade optimization has been performed using response surface method and three-dimensional Navier-Stokes analysis. Two shape variables of the stator blade, which are used to define a stacking line, are introduced to increase an adiabatic efficiency. Data points for response evaluations have been selected by D-optimal design, and linear programming method has been used for an optimization on a response surface. Throughout the shape optimization of a stator blade, the adiabatic efficiency is increased to 5.8 percent compared to that of the reference shape of the stator. The increase of the efficiency is mainly caused by the pressure enhancement in the stator blade. Flow separation on the blade suction surface of the stator is also improved by optimizing the stator blade. It is noted that the optimization of the stator blade is also useful method to increase the adiabatic efficiency in the axial compressor as well as the optimization of a rotor blade, which is widely used now.

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참고문헌

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