The design method proposed in this paper is , in principle , based on the potential - stream function inverse method , using numerical optimization to obtain optimized blade profiles 本文是在反方法葉型設(shè)計(jì)的基礎(chǔ)上,采用優(yōu)化方法有效調(diào)節(jié)給定的初始速度分布來(lái)獲得優(yōu)化葉型。