Fan/compressor aero design trend and challenge on the development of high bypass ratio turbofan;
风扇/压气机气动设计技术发展趋势——用于大型客机的大涵道比涡扇发动机
Fan/Compressor Aero Design Technology for High Bypass Ratio Turbofan;
大涵道比涡扇发动机风扇/压气机气动设计技术分析
Application of Softwares in Computational Fluid Dynamics Simulation of Fan;
软件接口方法在风扇CFD模拟中的应用
According to the definition of the three-dimensional swept leading edge,a comparison was made between three different swept transonic rotors to study how different leading edges affect the position and intensity of shock waves,and consequently the performance of fans.
本文从叶片前缘曲线掠的形式入手,采用适合叶轮机械内三维流动特点的相对掠概念,把叶片前缘曲线相对掠应用到设计中,探讨叶片前缘曲线相对掠(包括相对前掠、相对无掠和相对后掠)对通道激波的方位、强度的影响,以及由此造成的对风扇性能的影响,并进行了数值模拟,从得到的结果可以看出转子前缘曲线对风扇/压气机的性能影响非常明显,并对设计在气动方面的优化有一定的指导作
Based on the analysis on the structure characteristics of the fan front shell and the method of thread demoulding, a chain transmission mechanism was designed to realize auto thread demoulding.
在分析风扇前壳体塑件结构及螺纹脱模方法的基础上,阐述了采用链传动机构实现螺纹型环机动旋转脱模的设计过程及其工作原理。
Analyzed the stamping distortion characteristics of fan blades, the stamping project and die structure using single working procedure to realize the complex components stamping were introduced.
分析了风扇叶冲压变形特性,介绍了用单工序模具实现较复杂零件的冲压方案与模具结构。