Article(id=1319293696886031195, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293542573392487, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.07.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1730563200000, receivedDateStr=2024-11-03, revisedDate=1741276800000, revisedDateStr=2025-03-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473728629, onlineDateStr=2026-10-20, pubDate=1753804800000, pubDateStr=2025-07-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473728629, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473728629, creator=13701087609, updateTime=1792473728629, updator=13701087609, issue=Issue{id=1319293542573392487, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='7', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1753804800000', pubDateStr='2025-07-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473691838, creator='13701087609', updateTime=1792473691838, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=96, endPage=103, ext={EN=ArticleExt(id=1319293697108329308, articleId=1319293696886031195, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Research on noise reduction technology and coupling path of sound and vibration of the piston compressor, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the excessive noise issue in reciprocating compressors,a series of vibration and noise reduction tests were conducted,including modal analysis,vibration testing,adjustments to the thickness of the outer casing,and replacement of sound‑absorbing materials.Ultimately,the noise level was successfully controlled to 58.7 dB(A)〔meeting the requirement of LP≤60 dB(A)〕.The study indicates that low‑frequency vibrations (10~100 Hz) cause noise radiation from the compressor casing.Modifying boundary conditions can effectively reduce certain low‑frequency vibrations,and vibration transmission pathways determine the characteristics of noise radiation.When acoustic enclosures are not connected to the sound source,they can reduce noise in the mid‑to‑high frequency range (500~2 000 Hz).Vibro‑acoustic coupling occurs in the form of solid-solid interaction,propagating outward at the first‑order excitation frequency through a single path.Boundary conditions govern both the intensity of vibro‑acoustic coupling and the magnitude of radiated sound waves.Sound‑absorbing materials can only function effectively if they fully enclose the sound‑radiating surfaces.Vibration isolators are effective for noise reduction in the high‑frequency range but fail to reduce low‑frequency noise.This research provides guidance for vibration and noise reduction in similar compressors.
, authors=Xiaosa LI
1, 2, Wang LIU
1, 2, Zhanhua HAN
1, 2, Le WANG
1, 2, Jun XIAO
1, 2, Yongsheng JIANG
1, 2, authorsList=Xiaosa LI, Wang LIU, Zhanhua HAN, Le WANG, Jun XIAO, Yongsheng JIANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319293698458895209, articleId=1319293696886031195, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=活塞压缩机降噪技术及声振耦合路径研究, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
针对活塞式压缩机噪声超标问题,对压缩机进行一系列减振降噪试验,包括模态和振动测试,以及改变外围壳体的厚度和更换吸声材料,最终完成了噪声指标要求58.7 dB(A)〔LP≤60 dB(A)〕。研究表明,低频振动(10~100 Hz)引起压缩机外壳噪声的辐射,边界条件的改变可以有效降低若干低频振动,振动传递路径决定噪声的辐射;在声源与隔声罩没有连接时,隔声罩能降低中高频段(500~2 000 Hz)的噪声;声振耦合的存在形式为固体-固体,以第一阶激振频率向外传播,路径单一;边界条件决定声振耦合的强度,决定辐射声波的大小;声辐射面必须完全包络,吸声材料才能起到作用;减振器在高频段,能起到降噪的作用,在低频段,降噪失效。研究结果对同类压缩机的减振降噪工作具有指导意义。
, authors=李小仨
1, 2, 刘旺
1, 2, 韩占华
1, 2, 王乐
1, 2, 肖军
1, 2, 江用胜
1, 2, authorsList=李小仨, 刘旺, 韩占华, 王乐, 肖军, 江用胜, authorCompany=null, correspAuthors=null, authorNote=
李小仨(1985),男,高级工程师,主要从事压缩机设计、机械振动控制、流噪声的研究,通信地址:230031安徽省合肥市蜀山区长江西路888号合肥通用机械研究院有限公司,E-mail:lixiaosan_1985@163.com。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=gXC5rSiN4MnPBgMlH8HVlQ==, magXml=BmhCSFPhMDVgB8oRbwlJtA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=9p6VQguG25hIF7QQTcqmjQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=85g1az0XQosVD1BF3LtiaQ==, mapNumber=null, fund=null)}, authors=[Author(id=1319293714867015920, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293696886031195, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lixiaosan_1985@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293714959290611, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293696886031195, authorId=1319293714867015920, language=EN, stringName=Xiaosa LI, firstName=Xiaosa, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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李小仨(1985),男,高级工程师,主要从事压缩机设计、机械振动控制、流噪声的研究,通信地址:230031安徽省合肥市蜀山区长江西路888号合肥通用机械研究院有限公司,E-mail:lixiaosan_1985@163.com。
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李小仨(1985),男,高级工程师,主要从事压缩机设计、机械振动控制、流噪声的研究,通信地址:230031安徽省合肥市蜀山区长江西路888号合肥通用机械研究院有限公司,E-mail:lixiaosan_1985@163.com。
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噪声测试点布置, figureFileSmall=htKfhxER3zJ1BsG6FFPaPg==, figureFileBig=jhqQgW73EVi4KE7eVvsSBQ==, tableContent=null), ArticleFig(id=1319293718964850975, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293696886031195, language=EN, label=Fig.3, caption=
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Vibration spectrum values of the up and down measuring points of the shock absorber, figureFileSmall=Njmzv607J2mJJhGyz/f/Xw==, figureFileBig=8xvn/Zc8CPFOXIU3v95z5w==, tableContent=null), ArticleFig(id=1319293719493333286, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293696886031195, language=CN, label=图6, caption=
减振器上、下测点振动频谱值, figureFileSmall=Njmzv607J2mJJhGyz/f/Xw==, figureFileBig=8xvn/Zc8CPFOXIU3v95z5w==, tableContent=null), ArticleFig(id=1319293719577219367, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293696886031195, language=EN, label=Tab.1, caption=
Technical specifications of noise requirements
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| 频率/Hz | 倍频程声压级/dB(A) | 总声压级/dB(A) |
|---|
| 63 | 79 | 60 |
| 125 | 70 |
| 250 | 63 |
| 500 | 58 |
| 1 000 | 55 |
| 2 000 | 52 |
| 4 000 | 50 |
| 8 000 | 49 |
), ArticleFig(id=1319293719644328232, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293696886031195, language=CN, label=表1, caption=
噪声要求技术指标
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| 频率/Hz | 倍频程声压级/dB(A) | 总声压级/dB(A) |
|---|
| 63 | 79 | 60 |
| 125 | 70 |
| 250 | 63 |
| 500 | 58 |
| 1 000 | 55 |
| 2 000 | 52 |
| 4 000 | 50 |
| 8 000 | 49 |
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