对通风机叶轮修割的意义分别在气动性能、机械性能、安全性和经济性方面来阐述。
The signification of fan impeller repair is set forth in respects of aerodynamic, mechanical property, safety and economy.
本文的第一部分介绍了一种离心叶轮气动优化的新方法，且特别侧重介绍其基本思想。
A new method for optimization of aerodynamic design for centrifugal impellers is presented in the first part of this paper, and especially the essential thought of this method is described.
文章主要综述了国内外对局部扇风机气动噪声的研究与控制方法，对孤立叶轮的声学模型及其噪声控制方法。
The paper summarizes mainly the research and control of pneumatic noise of local fan, the sonic model of isolated blade wheel and the control method of noise in home and foreign countries.
提高叶轮机械叶片的升阻比，是改进叶轮机械气动性能的重要途径。
Increasing the lift drag ratio of turbine blade is an effective way for improving turbines aerodynamic characteristics.
但是叶轮机械，尤其是跨音速轴流压气机叶片的气动优化设计仍然是一个具有挑战性的研究领域。
But the aerodynamic optimization of the turbomachinery blade, especially the transonic compressor blade, is still a challenge area.
新型设计的机壳以及依照空气动力学设计的叶轮，能够减少振动和噪音。
Special housing could reduce noise and vibration, best design on the impeller base on aerodynamics.
所以，预报颤振发生几率，避免叶片颤振的研究工作在叶轮机械气动弹性力学学科中占有越来越突出的地位。
Therefore, in the research of turbomachinery aeroelastics, it is more and more important to predict blade flutter and to avoid blade flutter.
根据对贯流风机气动噪声的分析，研究了采用不等距叶轮的降噪机理。
According to the aerodynamic noise analysis of cross flow fans, investigates the mechanism of reducing noise due to the adoption of non-isometric impellers.
本文将动量-叶素理论推广应用于计算水平轴风车叶轮有侧偏角或上仰角时的气动力。
Based on the traditional Momentum-Blade Element theory, an improved method of aerodynamic calculation about the horizontal axis wind turbine in yaw or in pitch-up is presented in this paper.
研究叶轮机叶片的弯扭及掠形等因素对叶片气动负荷分布的影响。
The effects of turbomachinery blade bow and sweep on aerodynamic loading distribution of the blade are investigated.
本文提出一种新的叶轮机气动设计自由度——缘线匹配技术。
A new degree of freedom for turbomachinery design Edge Matching (EM) technique is presented in this paper.
本文提出一种新的叶轮机气动设计自由度——缘线匹配技术。
A new degree of freedom for turbomachinery design Edge Matching (EM) technique is presented in this paper.
应用推荐