由气流直接产生的振幅和频率杂乱、统计上无规则的声音
关键词：车辆工程；高速列车；司机室；脉动压力；气动噪声 [gap=1385]Key words：vehicle engineering；high—speed train；cab；fluctuation pressure；aerodynamic noise
基于470个网页-相关网页
风机技术文章 关键词：空调器；气动噪声；脱落涡；防护网 [gap=475]Key words: air conditioner; aero-acoustic noise; shedding vortex; protecting mesh
基于6个网页-相关网页
Using the engineering estimation method to analyze the fan’s aerodynamic noise. The influences of the vanes’number B, the chord length C and the consistency to aerodynamic noise have been analyzed.
应用工程估算方法计算风扇的气动噪声,分析叶片数B、弦长C和稠度等参数对气动噪声的影响。
参考来源 - 风洞风扇的低噪声桨叶设计·2,447,543篇论文数据，部分数据来源于NoteExpress
噪声主要包括气动噪声和结构噪声。
气动噪声是由直接作用在流体上的振动力产生。
The vibration force acting on the fluid directly comes into being the aerodynamic noise.
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.
应用推荐