according to double cube b spline surface, a mathematical model of the airfoil blade is constructed by given point.
应用双三次均匀b样条曲面 ,建立了对给定型值点的发动机叶片叶身进行曲面构造的数学模型。
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.
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;
in this paper, 2d simulation for the precision forging of airfoil blade has been carried out, with the help of the rigid plastic finite element method.
采用刚塑性有限元法对钛合金精锻叶片的锻造过程进行了二维有限元数值模拟。
by using model performance test method, the comparisons of aerodynamic performance between plate and airfoil blade counter-rotating axial fans are made.
数值模拟结果表明机翼型叶片的全压效率、通流能力和做功能力等方面比相应的板型叶片具有优越性。