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http://dx.doi.org/10.5293/kfma..2011.14.5.031

Numerical Optimization of a Transonic Axial Compressor with Casing Grooves for Improvement of Operating Stability  

Kim, Jin-Hyuk (인하대학교 대학원 기계공학과)
Choi, Kwang-Jin (현대자동차 차량개발센터 샤시설계팀)
Kim, Kwang-Yong (인하대학교 기계공학부)
Publication Information
The KSFM Journal of Fluid Machinery / v.14, no.5, 2011 , pp. 31-38 More about this Journal
Abstract
Optimization using a hybrid multi-objective evolutionary algorithm coupled with response surface approximation has been performed to improve the performance of a transonic axial compressor with circumferential casing grooves. In order to optimize the operating stability and peak adiabatic efficiency of the compressor with circumferential casing grooves, tip clearance, angle distribution at blade tip and the depth of the circumferential casing grooves are selected as design variables. Three-dimensional Reynolds-averaged Navier-Stokes equations with the shear stress transport turbulence model are discretized by finite volume approximations. The trade-off between two objectives with the interaction of blade and casing treatment is determined and discussed with respect to the representative clusters in the Pareto-optimal solutions compared to the axial compressor without the casing treatment.
Keywords
Axial compressor; Casing treatment; Stall margin; Adiabatic efficiency; Optimization; Pareto-optimal solution;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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