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讨论了隧道射流风机的设计方法 ,以一个出口直径为 63 0mm ,推力为 3 50N的射流风机作为设计实例 ,进行了气动设计与性能分析。结果表明 ,轮毂比是影响隧道射流风机气动设计及效率的主要参数
The design method of tunnel jet fan is discussed. Taking a jet fan with outlet diameter of 63 0mm and thrust force of 3 50N as a design example, the aerodynamic design and performance analysis are carried out. The results show that the hub ratio is the main parameter that affects the aerodynamic design and efficiency of tunnel jet fan