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首页> 外文会议>Asia-Pacific international symposium on aerospace technology >The Swept and Leaned Blade Influence on the Aerodynamic Performance of a Transonic Axial Compressor Rotor
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The Swept and Leaned Blade Influence on the Aerodynamic Performance of a Transonic Axial Compressor Rotor

机译：扫过和倾斜刀片对横向轴向压缩机转子的空气动力学性能的影响

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In order to understand the effects of axial sweep and tangential lean of blades on aerodynamic performance of transonic axial compressor NASA ROTOR 37, a systematic study was carried out. The optimal design method was developed and applied. The blade stacking line was described by Bezier polynomials. The optimization problem was to achieve the maximum rotor isentropic efficiency and pressure ratio at the design point, with a constraint on the mass flow rate. Commercial software Design 3D was employed for aerodynamic evaluation based on Navier-Stokes code. Simulation results were validated with experimental data in the literature. The optimization technique used in this paper is based on the concept of function approximation. This approximation helps to realize a rapid method available to evaluate rotor aerodynamic performance. The method requires the existence of a database containing several blade geometries and their associated aerodynamic performances. These database samples are used to construct the Artificial Neural Network. Finally, the optimal rotor configurations were obtained and compared to the original design. The effect of swept and leaned blade on the rotor performance was analyzed.
机译：为了了解轴向扫描和切向倾斜叶片对跨型轴向压缩机NASA转子37的空气动力学性能的影响，进行了系统研究。开发和应用了最佳设计方法。刀片堆叠线由Bezier多项式描述。优化问题是在设计点处实现最大转子等熵效率和压力比，对质量流量的约束。基于Navier-Stokes代码的空气动力学评估，商业软件设计3D。仿真结果验证了文献中的实验数据。本文中使用的优化技术基于函数近似的概念。该近似有助于实现可用于评估转子空气动力学性能的快速方法。该方法需要存在包含多个刀片几何形状的数据库及其相关的空气动力学性能。这些数据库样本用于构造人工神经网络。最后，获得了最佳转子配置并与原始设计进行比较。分析了扫扫叶片对转子性能的影响。

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