The influence of non-uniform impeller on the cross flow fan noise

Zhiqiang Yang; C. J. Wu

doi:10.4028/www.scientific.net/KEM.693.251

The influence of non-uniform impeller on the cross flow fan noise

Zhiqiang Yang
, C. J. Wu

机械工程学院

Xi'an Jiaotong University

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

The aerodynamic noise of a cross flow fan with uneven blade spacing in room air-conditioner was simulated by computational aerodynamic acoustics (CAA) method. It is detailed to analyze the vorticity distribution of the flow field and the power spectral density of measured points' pressure fluctuations, and the results demonstrate the non-uniform impeller used in this paper can significantly improve internal flow characteristics. Thus the broadband noise got reduced.

源语言	英语
页（从-至）	251-256
页数	6
期刊	Key Engineering Materials
卷	693
DOI	https://doi.org/10.4028/www.scientific.net/KEM.693.251
出版状态	已出版 - 2016

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10.4028/www.scientific.net/KEM.693.251

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title = "The influence of non-uniform impeller on the cross flow fan noise",

abstract = "The aerodynamic noise of a cross flow fan with uneven blade spacing in room air-conditioner was simulated by computational aerodynamic acoustics (CAA) method. It is detailed to analyze the vorticity distribution of the flow field and the power spectral density of measured points' pressure fluctuations, and the results demonstrate the non-uniform impeller used in this paper can significantly improve internal flow characteristics. Thus the broadband noise got reduced.",

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AU - Yang, Zhiqiang

AU - Wu, C. J.

PY - 2016

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N2 - The aerodynamic noise of a cross flow fan with uneven blade spacing in room air-conditioner was simulated by computational aerodynamic acoustics (CAA) method. It is detailed to analyze the vorticity distribution of the flow field and the power spectral density of measured points' pressure fluctuations, and the results demonstrate the non-uniform impeller used in this paper can significantly improve internal flow characteristics. Thus the broadband noise got reduced.

AB - The aerodynamic noise of a cross flow fan with uneven blade spacing in room air-conditioner was simulated by computational aerodynamic acoustics (CAA) method. It is detailed to analyze the vorticity distribution of the flow field and the power spectral density of measured points' pressure fluctuations, and the results demonstrate the non-uniform impeller used in this paper can significantly improve internal flow characteristics. Thus the broadband noise got reduced.

KW - Computational fluid dynamics

KW - Cross flow fan

KW - Noise prediction

KW - Non-uniform impeller

UR - https://www.scopus.com/pages/publications/84969786298

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DO - 10.4028/www.scientific.net/KEM.693.251

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VL - 693

SP - 251

EP - 256

JO - Key Engineering Materials

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The influence of non-uniform impeller on the cross flow fan noise

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