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.
试验结果表明机翼型叶片在全压效率、稳定运行范围及高效运行范围比相应的板型叶片具有优越性；
The measurements show that the airfoil blade fan prevails over the plate one in the aspects of total pressure efficiency, stable operation range and high efficient operation range.
应用推荐