A through-flow analysis method of axial fan with BPF and broadband noise models

被引：0
作者：
Lee C. [1 ]
Kil H.G. [1 ]
机构：
[1] Department of Mechanical Engineering, University of Suwon, Wauan-Gil 17, Hwaseong
来源：
International Journal of Fluid Machinery and Systems | 2020年 / 13卷 / 04期
关键词：
Fan; Noise models; Through-flow analysis;
D O I：
10.5293/IJFMS.2020.13.4.737
中图分类号：
学科分类号：
摘要：
The present paper proposes and describes a through-flow analysis method of axial fan coupled with BPF and broadband noise prediction models. The flow and performance predictions of axial fan are made by streamline curvature method with empirical correlations for flow deviation and pressure losses. After the computation of streamline curvature method, the predicted flow velocity, flow angle and wake thickness distributions along fan blade span are used for calculating the acoustic pressures produced from BPF and broadband noise sources. The present method is applied to several automotive and air-conditioning fans for verifying its prediction accuracy. The fan flow, performance and noise prediction results by the present method are compared with the CFD and the measurement results. From the comparison results, the present method is shown to provide favorable prediction results within a few percent relative errors and can be used as a reliable design tool of high efficiency and low noise fan at the actual fan design practice. © 2020, Turbomachinery Society of Japan. All rights reserved.
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页码：737 / 742
页数：5
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