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http://dx.doi.org/10.3795/KSME-B.2005.29.5.625

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

Kim Kwang Yong (인하대학교 기계공학부)
Jang Choon Man (한국건설기술연구원 화재설비연구부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.5, 2005 , pp. 625-632 More about this Journal
Abstract
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.
Keywords
Transonic Axial Compressor; Optimal Design; Response Surface Method; Stacking Line; Limiting Streamlines; Adiabatic Efciency;
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Times Cited By KSCI : 1  (Citation Analysis)
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