CN104097357B - 一种多孔吸声材料及其加工方法 - Google Patents
一种多孔吸声材料及其加工方法 Download PDFInfo
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- CN104097357B CN104097357B CN201310117614.3A CN201310117614A CN104097357B CN 104097357 B CN104097357 B CN 104097357B CN 201310117614 A CN201310117614 A CN 201310117614A CN 104097357 B CN104097357 B CN 104097357B
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Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
中心频率 | 驻波管法吸声系数 | 混响室法吸声系数 |
250 | 0.42633 | 0.65 |
500 | 0.730126 | 0.92 |
630 | 0.861169 | 0.985 |
800 | 0.554677 | 0.8 |
1000 | 0.330579 | 0.54 |
1250 | 0.132366 | 0.32 |
1600 | 0.286345 | 0.48 |
2000 | 0.814665 | 0.99 |
中心频率 | 驻波管法吸声系数 | 混响室法吸声系数 |
250 | 0.300542 | 0.5 |
500 | 0.521011 | 0.76 |
630 | 0.814665 | 0.98 |
800 | 0.921527 | 0.99 |
1000 | 0.512739 | 0.76 |
1250 | 0.10664 | 0.25 |
1600 | 0.163721 | 0.3 |
2000 | 0.330579 | 0.55 |
中心频率 | 驻波管法吸声系数 | 混响室法吸声系数 |
250 | 0.512739 | 0.76 |
500 | 0.960481 | 0.98 |
630 | 0.694955 | 0.90 |
800 | 0.397252 | 0.60 |
1000 | 0.27269 | 0.48 |
1250 | 0.095612 | 0.24 |
1600 | 0.201623 | 0.41 |
2000 | 0.397252 | 0.59 |
Claims (5)
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CN201310117614.3A CN104097357B (zh) | 2013-04-07 | 2013-04-07 | 一种多孔吸声材料及其加工方法 |
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CN201310117614.3A CN104097357B (zh) | 2013-04-07 | 2013-04-07 | 一种多孔吸声材料及其加工方法 |
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Publication Number | Publication Date |
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CN104097357A CN104097357A (zh) | 2014-10-15 |
CN104097357B true CN104097357B (zh) | 2016-06-01 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109388886B (zh) * | 2018-10-09 | 2022-10-28 | 山东理工大学 | 一种多孔材料吸声系数的计算方法 |
CN112919928B (zh) * | 2021-04-14 | 2022-06-24 | 浙江大学 | 一种多级泡沫吸声黑体材料 |
CN113263708B (zh) * | 2021-07-01 | 2022-10-04 | 拓凌机械(浙江)有限公司 | 用于制备高通道尺寸可控性的微通道塑料制品的口模结构 |
CN113788702B (zh) * | 2021-09-26 | 2022-07-19 | 江苏华之杰环境科技有限公司 | 具有多形状及弧度的微通孔泡沫陶瓷吸音材料及制备方法 |
CN114888460B (zh) * | 2022-05-25 | 2023-05-12 | 上海治臻新能源股份有限公司 | 一种具有有序化孔径结构的金属毡及制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101588911A (zh) * | 2006-10-12 | 2009-11-25 | 剑桥实业有限公司 | 具有毛细孔道的挤出材料 |
CN102363983A (zh) * | 2011-10-11 | 2012-02-29 | 常熟市华夏建筑节能材料有限公司 | 一种吸音板 |
CN102514173A (zh) * | 2011-12-07 | 2012-06-27 | 浙江大学 | 动态微通道塑料挤出成型装置及方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2408961A (en) * | 2003-12-12 | 2005-06-15 | Univ Cambridge Tech | Apparatus and method |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101588911A (zh) * | 2006-10-12 | 2009-11-25 | 剑桥实业有限公司 | 具有毛细孔道的挤出材料 |
CN102363983A (zh) * | 2011-10-11 | 2012-02-29 | 常熟市华夏建筑节能材料有限公司 | 一种吸音板 |
CN102514173A (zh) * | 2011-12-07 | 2012-06-27 | 浙江大学 | 动态微通道塑料挤出成型装置及方法 |
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