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6MF-30便携式风力灭火机气动噪声分析

陈晓璇 李文彬

陈晓璇, 李文彬. 6MF-30便携式风力灭火机气动噪声分析[J]. 北京林业大学学报, 2016, 38(12): 113-120. doi: 10.13332/j.1000-1522.20160102
引用本文: 陈晓璇, 李文彬. 6MF-30便携式风力灭火机气动噪声分析[J]. 北京林业大学学报, 2016, 38(12): 113-120. doi: 10.13332/j.1000-1522.20160102
CHEN Xiao-xuan, LI Wen-bin.. Aerodynamic noise analysis of 6MF-30 portable pneumatic extinguisher.[J]. Journal of Beijing Forestry University, 2016, 38(12): 113-120. doi: 10.13332/j.1000-1522.20160102
Citation: CHEN Xiao-xuan, LI Wen-bin.. Aerodynamic noise analysis of 6MF-30 portable pneumatic extinguisher.[J]. Journal of Beijing Forestry University, 2016, 38(12): 113-120. doi: 10.13332/j.1000-1522.20160102

6MF-30便携式风力灭火机气动噪声分析

doi: 10.13332/j.1000-1522.20160102
基金项目: 

教育部高等学校博士学科点专项(20120014110012)。

详细信息
    作者简介:

    陈晓璇。主要研究方向:便携式风力灭火机噪声。Email: chenxiaoxuan2007@163.com 地址:100083北京市海淀区清华东路35号北京林业大学工学院。
    责任作者: 李文彬,教授,博士生导师。主要研究方向:人机环境与安全。Email: leewb@bjfu.edu.cn 地址:同上。

    陈晓璇。主要研究方向:便携式风力灭火机噪声。Email: chenxiaoxuan2007@163.com 地址:100083北京市海淀区清华东路35号北京林业大学工学院。
    责任作者: 李文彬,教授,博士生导师。主要研究方向:人机环境与安全。Email: leewb@bjfu.edu.cn 地址:同上。

Aerodynamic noise analysis of 6MF-30 portable pneumatic extinguisher.

  • 摘要: 便携式风力灭火机是我国用于森林消防的重要设备,然而,其噪声会严重影响操作人员的生理和心理健康。本文采用FLUENT气动噪声场仿真和噪声测试试验相结合的方法,确定风力灭火机的主要气动噪声源,同时提出灭火机降噪优化的设计建议。结果表明:二维模型和大涡模拟(配合FW-H方程)结合的方法可以用于风力灭火机气动噪声的仿真,但在仿真过程中需考虑消声器的影响;风力灭火机主要气动噪声源为叶轮和涡舌,风筒噪声对其总噪声贡献较小;建议增加导流器等,以降低风力灭火机工作过程中操作人员的耳旁噪声。

     

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  • 收稿日期:  2016-03-28
  • 刊出日期:  2016-12-31

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