Article(id=1202254427806724566, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202254424140899161, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20220300, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764569392396, onlineDateStr=2025-12-01, pubDate=1684512000000, pubDateStr=2023-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764569392396, onlineIssueDateStr=2025-12-01, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764569392396, creator=13701087609, updateTime=1764569392396, updator=13701087609, issue=Issue{id=1202254424140899161, tenantId=1146029695717560320, journalId=1189873562199433220, year='2023', volume='', issue='5', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764569391522, creator=13701087609, updateTime=1764576307752, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1202283432979161352, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202254424140899161, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1202283432979161353, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1202254424140899161, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=50, endPage=54, ext={EN=ArticleExt(id=1202254428003856855, articleId=1202254427806724566, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Analysis of Factors Affecting Acoustic Absorption and Insulation Performance for Double Density Felt, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
This paper studied systematically the factors affecting acoustic absorption and insulation performance of double density felt based on impedance tube method and reverberation-anechoic method. The change rule of acoustic absorbing and insulation properties of flat plate materials were analyzed by impedance tube test with the density, thickness and adding sound insulation film of flat plate materials. The rule of change of the acoustic insulation performance of the molding material with its density and adding sound insulation film was analyzed by reverberation-anechoic test. The test results show that the sound absorption performance can be improved by increasing the surface density and thickness of the plate material without sound insulation film. Increase density to improve sound insulation performance. With the addition of sound insulation film, the sound insulation performance is improved. With the addition of felt density, the sound insulation performance of the plate material is improved, and the sound insulation performance of the molding part has no significant change. The material skeleton of the molding part changes due to the processing technologies, so it is necessary to further study the influencing parameters such as flow resistance and porosity of the sample.
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基于驻波管法和混响室-消声室法,系统研究了双密度毛毡吸声、隔声性能影响因素。采用驻波管法试验分析了平板件材料吸声和隔声性能随平板件材料密度、厚度和增加隔音膜变化规律,采用混响室-消声室法试验分析了成型件材料隔声性能随其密度和增加隔音膜的变化规律。结果表明,在无隔音膜情况下,平板件材料增加面密度与厚度均能提升吸声性能;增加体密度提升隔声性能。成型件材料增加隔音膜后,隔声性能提升。平板件材料增加隔音膜后,随着毛毡密度增加,平板材料隔声性能提升,成型件隔声性能无明显变化,成型件因加工工艺导致其材料骨架发生变化,需进一步研究样件流阻、孔隙率参数的影响。
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顾晓卓(1988—),女,工程师,学士学位,研究方向为汽车声学包。
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顾晓卓(1988—),女,工程师,学士学位,研究方向为汽车声学包。
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顾晓卓(1988—),女,工程师,学士学位,研究方向为汽车声学包。
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2012: 381-384., articleTitle=汽车车内隔音垫中PE膜对其吸声性能的影响分析, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1202254430369444402, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254427806724566, xref=null, ext=[AuthorCompanyExt(id=1202254430373638707, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254427806724566, companyId=1202254430369444402, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=SAIC-GM Wuling Automotive Co., Ltd., Liuzhou 545000), AuthorCompanyExt(id=1202254430382027317, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254427806724566, companyId=1202254430369444402, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=上汽通用五菱汽车股份有限公司,柳州 545000)])], figs=[ArticleFig(id=1202254433217376926, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254427806724566, language=EN, label=null, caption=null, figureFileSmall=ciQB87IRw8D6OznqRwv6Jw==, figureFileBig=HweN2KEbnM/utsPNFCicVw==, tableContent=null), ArticleFig(id=1202254433288680097, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254427806724566, language=CN, label=图1, caption=
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成型件6个样件插入损失测试结果, figureFileSmall=V/JYClGiduzhb2aqV6/vcQ==, figureFileBig=52dXFKAcz9cN1+TTGsZlIQ==, tableContent=null), ArticleFig(id=1202254434886709988, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1202254427806724566, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 面密度/g·m-2 | 厚度/mm | 密度/kg·m-3 |
| 样件1 | 2 718 | 17.5 | 155 |
| 样件2 | 2 431 | 17.5 | 139 |
| 样件3 | 2 374 | 13.0 | 183 |
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毛毡参数
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| 序号 | 面密度/g·m-2 | 厚度/mm | 密度/kg·m-3 |
| 样件1 | 2 718 | 17.5 | 155 |
| 样件2 | 2 431 | 17.5 | 139 |
| 样件3 | 2 374 | 13.0 | 183 |
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| 序号 | 面密度/g·m-2 | 厚度/mm | 密度/kg·m-3 | 隔音膜面密度 /g·m-2 |
| 样件4 | 2 926 | 15.5 | 189 | 无 |
| 样件5 | 3 515 | 15 | 234 | 500(EVA) |
| 样件6 | 2 619 | 17 | 158 | 无 |
| 样件7 | 2 408 | 15 | 160 | 100(PE) |
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毛毡参数
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| 序号 | 面密度/g·m-2 | 厚度/mm | 密度/kg·m-3 | 隔音膜面密度 /g·m-2 |
| 样件4 | 2 926 | 15.5 | 189 | 无 |
| 样件5 | 3 515 | 15 | 234 | 500(EVA) |
| 样件6 | 2 619 | 17 | 158 | 无 |
| 样件7 | 2 408 | 15 | 160 | 100(PE) |
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| 序号 | 方案组成 | 理论面 密度/g·m-2 | 实际面 密度/g·m-2 |
| 样件8 | 毛毡3000+EVA1500 | 4 500 | 4 374 |
| 样件9 | 毛毡3000+PE100 | 3 100 | 3 284 |
| 样件10 | 毛毡3000 | 3 000 | 2 942 |
| 样件11 | 毛毡2600+EVA1500 | 4 100 | 4 196 |
| 样件12 | 毛毡2600+PE100 | 2 700 | 2 902 |
| 样件13 | 毛毡2600 | 2 600 | 2 688 |
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零件总成毛毡参数
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| 序号 | 方案组成 | 理论面 密度/g·m-2 | 实际面 密度/g·m-2 |
| 样件8 | 毛毡3000+EVA1500 | 4 500 | 4 374 |
| 样件9 | 毛毡3000+PE100 | 3 100 | 3 284 |
| 样件10 | 毛毡3000 | 3 000 | 2 942 |
| 样件11 | 毛毡2600+EVA1500 | 4 100 | 4 196 |
| 样件12 | 毛毡2600+PE100 | 2 700 | 2 902 |
| 样件13 | 毛毡2600 | 2 600 | 2 688 |
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