摘要
利用风管式试验装置测试风机几何参数、气动参数等对噪声的影响,研究轴流式通风机降噪的方法。首先介绍了试验方法和试验设备以及试验数据处理和误差分析。接着,介绍轴流式通风机噪声产生机理和通风机噪声分类。为了分析噪声产生的因素,设计了四组对比试验,并对每组试验进行总结,为设计新型低噪高效轴流风机提供可靠依据。最后得出了降低轴流式通风机噪声的途径和措施。
The method of reducing noise is researched using wind-testing devices to test fan geometric parameters and aerodynamic parameters for the noise of the fan.The first briefed on the experimental methods, test equipment, test data processing and error analysis.Next, it is introduced for the generated mechanisms and classification of the noise.Then, in order to identify the noise factor, the four group contrast experiments are designed and each experiment is analysised for viable basis of the efficient design of new lower-noise axial fan.Finally, the ways and measures are generated for the lowernoise axial fan.
出处
《机械设计与制造》
北大核心
2007年第10期114-116,共3页
Machinery Design & Manufacture
关键词
轴流通风机
叶轮
叶片
降噪
试验
Axial fan
Rotor
Rotor blades
Reduce noise
Experiment
