双圆弧翼型叶片造型设计问题及其解决方法  

The Problems in Designing and Molding Airfoil Blade with Double Circular Arcs and Solution

作　　者：欧阳斌[1] 叶增明[1] 侯银珠[2] 

机构地区：[1]上海理工大学,上海20009 [2]中航工业第一飞机设计研究院

出　　处：《风机技术》2012年第2期42-44,共3页Chinese Journal of Turbomachinery

摘　　要：在通风机叶片造型设计中,根据翼型几何关系,通过数学推导找出双圆弧中弧线最大挠度点位置a/b的值随x1和x2的取值不同而变化的数学关系,弥补了翼型中弧线的a/b值按经验取值的缺陷,从而避免了两圆弧不能相切的问题,并在工程设计上作了验证。Based on the airfoil profile geometric relationships,the mathematical relationship that the value of a/b is vary with the value of x1 and x2 is derived in designing and molding of fan blade with double circular arcs.Then the tangent problem of double circular arcs of camber line is solved avoided using the experiential value of a/b in design of airfoil blade,which is checked by engineering design.

关 键 词：轴流式通风机 叶片造型 双圆弧设计 

分 类 号：TH43[机械工程—机械制造及自动化]