非轴对称端壁与三维叶片联合成型气动设计优化  

Aerodynamic Optimization of a 3D Parameterized Turbine Vane With Non-Axisymmetric Endwall

作　　者：郭振东[1] 宋立明[1] 孙皓[1] 李军[1] 

机构地区：[1]西安交通大学叶轮机械研究所,西安710049

出　　处：《工程热物理学报》2016年第2期285-289,共5页Journal of Engineering Thermophysics

基　　金：国家自然科学基金资助项目(No.51106123)

摘　　要：耦合自适应差分进化算法,非轴对称端壁与叶片联合成型参数化方法和RANS方程求解技术,提出了非轴对称端壁与叶片联合成型设计优化方法。利用该方法,完成了某小展弦比透平叶栅的气动设计优化,并且详细分析了最优设计叶片三维参数化及非轴对称端壁造型对气动性能的影响,验证了本设计优化方法的正确性和有效性。An integrated design optimization method for 3D parameterized turbine vane with non-axisymmetric endwall is proposed,by coupling an adaptive range differential evolution（ARDE）algorithm,3D parameterization method for both blade profile and non-axisymmetric endwall and RANS solver technique.Using this method,3D aerodynamic design optimization of a turbine cascade with low aspect ratio is carried out.The effects of 3D blade parameterization and endwall contouring of optimal design on aerodynamic performance are analyzed in detail.Thereby the correctness and effectiveness of proposed design optimization method is demonstrated.

关 键 词：小展弦比 非轴对称端壁 联合成型 设计优化 

分 类 号：O354[理学—流体力学]