| 硅藻泥-草梗复合吸声材料的测试研究 |
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| 引用本文： | 周博,范雨琪,陈晓刚,朱小刚,林辉.硅藻泥-草梗复合吸声材料的测试研究[J].安徽大学学报(自然科学版),2018,42(3):79-86. |
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| 作者姓名： | 周博 范雨琪 陈晓刚 朱小刚 林辉 |
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| 作者单位： | 江西师范大学 城市建设学院,江西 南昌,330022;江西师范大学 软件学院,江西 南昌,330022 |
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| 基金项目： | 国家自然科学基金资助项目(51608237) |
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| 摘 要： | 以硅藻泥、草梗、氧化镁为主要原料,加入一定的辅助材料,研制出一种新型复合多孔吸声材料.分析材料的吸声原理及基本特性,采用驻波管法在200~2 000Hz频段范围内测试材料的吸声性能.结果表明,材料的吸声性能受草梗掺量、尺寸、材料的密度和厚度以及背部空腔尺寸的影响,与一般常用吸声材料的吸声系数进行比较,综合吸声性能优良.
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| 关 键 词： | 硅藻泥 草梗 吸声材料 吸声系数 |
Study on the test of the compound sound absorption material of diatom mud and straw stalk |
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| ZHOU Bo,FAN Yuqi,CHEN Xiaogang,ZHU Xiaogang,LIN Hui.Study on the test of the compound sound absorption material of diatom mud and straw stalk[J].Journal of Anhui University(Natural Sciences),2018,42(3):79-86. |
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| Authors: | ZHOU Bo FAN Yuqi CHEN Xiaogang ZHU Xiaogang LIN Hui |
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| Abstract: | A new type of composite porous material was developed using the diatom mud,straw stalk,magnesium oxide as the main raw material with some auxiliary materials added.The principle and basic characteristics of sound absorption material were analyzed.The sound absorption properties of materials were tested by standing wave test method in the frequency range 200-2 000 Hz tube.The results showed that the sound absorption properties of materials were influenced by the amount of mixed straw stalk,size,material density,thickness and the back cavity size effect.Compared with the absorption coefficient of commonly used sound-absorbing material,it has excellent comprehensive sound absorption properties. |
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