家电科技 ›› 2022, Vol. 0 ›› Issue (zk): 416-420.doi: 10.19784/j.cnki.issn1672-0172.2022.99.090

• 第三部分 噪声与振动控制 • 上一篇    下一篇

基于Lighthill理论的吸油烟机噪声分析改善

王丽丽1, 孟永哲1,2, 王岩2   

  1. 1.青岛海尔智慧厨房电器有限公司 山东青岛 266100;
    2.数字化家电国家重点实验室 山东青岛 266100
  • 发布日期:2023-03-28
  • 作者简介:王丽丽,本科学历。研究方向:降噪技术。地址:青岛海尔信息园A10座。E-mail:04wanglili@163.com。

Noise analysis and improvement of range hood based on Lighthill theory

WANG Lili1, MENG Yongzhe1,2, WANG Yan2   

  1. 1. Qingdao Haier Smart Kitchen Appliance Co., Ltd. Qingdao 266100;
    2. State Key Laboratory of digital home appliances Qingdao 266100
  • Published:2023-03-28

摘要: 基于Lighthill的声类比理论,对油烟机噪声进行分析,确定油烟机的主要噪声源,针对噪声的重要影响因素进行改型优化,采用κ-ω湍流模型对流场进行数值模拟分析,验证改型前后流量性能,得出有效降低噪声的方案,为以后的研究提供有价值的方向。

关键词: 油烟机, Lighthill, 气动噪声, 噪声

Abstract: Based on Lighthill's acoustic analogy theory, the noise of range hood is analyzed, the main noise source of range hood is determined, and the modification and optimization are carried out according to the important influencing factors of noise κ-ω The numerical simulation analysis of the flow field of the turbulence model is carried out to verify the flow performance before and after the modification, and the scheme of noise reduction is effective, which provides a valuable direction for future research.

Key words: Range hood, Lighthill, Aerodynamic noise, Noise

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