Direct measurement of aerodynamic excitation force generated by rotating-blade fan

被引：1
|
作者：
Ota, H. [1 ]
Shimizu, Y. [2 ]
Sato, T. [3 ]
机构：
[1] Hitachi Appliances Inc, Shimizu Ku, Shizuoka 4240926, Japan
[2] Tokyo Denki Univ, Grad Sch Sci & Engn, Hatoyama, Saitama 3500394, Japan
[3] Tokyo Denki Univ, Chiyoda Ku, Tokyo 1018457, Japan
来源：
NOISE CONTROL ENGINEERING JOURNAL | 2009年 / 57卷 / 04期
关键词：
Compendex;
D O I：
10.3397/1.3151962
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A method for measuring the aerodynamic excitation force of a rotating-blade fan has been developed. Calculating the vibration response of the structure is a useful solution for reducing the cost and weight of the air conditioner, which consists of a structure enclosed by thin metal plates. To calculate the vibration response of a thin plate excited by the aerodynamic force of the rotating fan, the measured pressure was transformed into the amplitude and phase angle of the aerodynamic force. Only the basic frequency of the blade-passing component, at which the largest fluctuation pressure occurs, was used in this calculation. Using the transformed amplitude and phase of the force, the vibration response of the thin plate structure was accurately calculated. (C) 2009 Institute of Noise Control Engineering.
引用
收藏
页码：310 / 317
页数：8
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