摘要：介绍了一种后拖式机翼型叶片，并与普通机翼型叶片作了比较。
Abstract: a kind of backward-trailed airfoil blade was introduced and compared with general airfoil blade.
分析了对后拖式机翼型叶片的叶尖进行适当切割，可以提高全压效率的原因。
The way to improve total pressure efficiency by appropriate inclined cut of airfoil blade tip was studied.
本文提出拖式吊舱螺旋桨(螺旋桨位于吊舱首部)定常水动力性能的势流理论计算方法。
A numerical method based on the potential flow theory is proposed in this paper for predicting the steady performance of tractor-type podded propellers.
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