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AERODYNAMIC OPTIMIZATION DESIGN OF LOW ASPECT RATIO TRANSONIC TURBINE STAGE 被引量：2

AERODYNAMIC OPTIMIZATION DESIGN OF LOW ASPECT RATIO TRANSONIC TURBINE STAGE
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摘要 The advanced optimization method named as adaptive range differential evolution （ARDE） is developed. The optimization performance of ARDE is demonstrated using a typical mathematical test and compared with the standard genetic algorithm and differential evolution. Combined with parallel ARDE, surface modeling method and Navier-Stokes solution, a new automatic aerodynamic optimization method is presented. A low aspect ratio transonic turbine stage is optimized for the maximization of the isentropic efficiency with forty-one design variables in total. The coarse-grained parallel strategy is applied to accelerate the design process using 15 CPUs. The isentropic efficiency of the optimum design is 1.6% higher than that of the reference design. The aerodynamic performance of the optimal design is much better than that of the reference design. The advanced optimization method named as adaptive range differential evolution （ARDE） is developed. The optimization performance of ARDE is demonstrated using a typical mathematical test and compared with the standard genetic algorithm and differential evolution. Combined with parallel ARDE, surface modeling method and Navier-Stokes solution, a new automatic aerodynamic optimization method is presented. A low aspect ratio transonic turbine stage is optimized for the maximization of the isentropic efficiency with forty-one design variables in total. The coarse-grained parallel strategy is applied to accelerate the design process using 15 CPUs. The isentropic efficiency of the optimum design is 1.6% higher than that of the reference design. The aerodynamic performance of the optimal design is much better than that of the reference design.
作者 SONG Liming LI Jun FENG Zhenping
机构地区 Institute of Turbomachinery
出处 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2006年第4期500-504,共5页 中国机械工程学报（英文版）
基金 This project is supported by Advanced Propulsion Technologies Demonstration Program of Commission of Science Technology and Industry for National Defense of China(No.APTD-0602-04).
关键词 Turbine stage Adaptive range differential evolution （ARDE）Aerodynamic optimization Coarse-grained parallel strategy Turbine stage Adaptive range differential evolution （ARDE）Aerodynamic optimization Coarse-grained parallel strategy
分类号 TH132.4 [机械工程—机械制造及自动化]
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参考文献9

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共引文献2

同被引文献28

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引证文献2

二级引证文献6

Chinese Journal of Mechanical Engineering
2006年 第4期

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