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作 者:冯涛[1] 李佳琪 王晶[1] 王余华 黄志刚[1] FENG Tao;LI Jiaqi;WANG Jing;WANG Yuhua;HUANG Zhigang(School of Artificial Intelligence,Beijing Technology and Business University,Beijing 100048,China)
出 处:《中国安全生产科学技术》2023年第2期231-238,共8页Journal of Safety Science and Technology
摘 要:为推进健康城市防噪降噪工作,预防和减少噪声污染对人们健康产生的危害和不良影响,研究声学材料-微穿孔板吸声结构设计参数对降噪防噪的促进作用。首先,采用文献综述方法,以传统微穿孔板基本理论和基本特性为基础,根据国内外研究现状,按照改变板结构、微孔结构和空腔结构等设计参数进行分类;其次,分析不同改变方式对微穿孔板吸声性能的影响;最后,归纳总结可提升微穿孔板降噪功效的不同方法。研究结果表明:合理改变微穿孔板吸声结构设计参数是预防和改善噪声污染的有效方法,研究结果可为健康城市防噪降噪工作提供参考依据及理论支撑。In order to promote the work of noise reduction and prevention in healthy cities,thus prevent and reduce the harm and adverse effect of noise pollution on people’s health,the promoting effect of acoustic material and micro-perforated plate sound absorption structure on the noise reduction and prevention in terms of its design parameters was studied.Based on the basic theory and characteristics of the traditional micro-perforated plate,the literature review method was used to classify the design parameters such as changing the plate structure,microporous structure and cavity structure according to the research status at home and abroad,then the influence of different changing ways on the sound absorption performance of microperforated panels was analyzed,and different methods that could improve the noise reduction efficiency of micro-perforated plate were summarized.The results showed that the above effective methods to change the design parameters of micro-perforated plate sound absorption structure can prevent and improve the noise pollution,and provide the reference scheme and theoretical support for the actual noise reduction and prevention work in healthy cities.
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