Article(id=1319293075084653256, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293032650887902, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.03.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1724342400000, receivedDateStr=2024-08-23, revisedDate=1733500800000, revisedDateStr=2024-12-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473580379, onlineDateStr=2026-10-20, pubDate=1743264000000, pubDateStr=2025-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473580379, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473580379, creator=13701087609, updateTime=1792473580379, updator=13701087609, issue=Issue{id=1319293032650887902, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='3', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1743264000000', pubDateStr='2025-03-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473570263, creator='13701087609', updateTime=1792473570263, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=52, endPage=60, ext={EN=ArticleExt(id=1319293075252425417, articleId=1319293075084653256, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Investigation into ash deposition characteristics on finned tube heat exchangers used in air source heat pumps, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issue of rising energy consumption and decreased efficiency in air source heat pumps caused by outdoor heat exchanger fouling,taking finned tube heat exchanger as the research object,this study utilized Fluent computational fluid dynamics software to investigate particulate matter deposition on a finned tube heat exchanger with six rows of tubes.SST k-ω model was adopted.The research deposition patterns of particulate matter with varying sizes on heat exchanger surfaces.At the same time,an experimental setup dedicated to ash deposition is constructed with the objective of validating numerical simulation outcomes.The CCD industrial camera is used to capture the image of the fin surface during the ash deposition process.Subsequently,the captured images and generated data underwent meticulous processing and analysis utilizing MATLAB software.Based on the conclusion drawn,the particle deposition distribution on the surface of the heat exchange tube primarily occurs within the ±75°area,constituting 94% of the total deposition.On the back of the heat exchange tube,the deposition ratio is only 2% with the ± (160~180)°area.At low wind speed,the mass of particle deposition on the heat exchanger surface decreases as wind speed increases.When the wind speed reaches 1.5 m/s,the deposition quality begins to rise.The findings reveales a distinct pattern in the ash deposition process:The mixed particles exhibit a synergistic effect on the fouling of the heat exchanger.The maximum deposition mass on the heat exchanger surface and the resulting pressure drop and fouling coefficient are higher than those of single particle size particles.The research results can provide reference for the maintenance and optimization of air source heat pump system in practical application.
, authors=Yong ZHAO, Guangxing MA, Chen CHANG, Yi HE, Wenyan YUAN, Siyuan HUO, authorsList=Yong ZHAO, Guangxing MA, Chen CHANG, Yi HE, Wenyan YUAN, Siyuan HUO, authorCompany=null, correspAuthors=Guangxing MA, 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=1319293078024860392, articleId=1319293075084653256, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=空气源热泵翅片管换热器积灰特性研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对空气源热泵因室外换热器脏堵而耗能增加和效率降低的问题,以翅片管换热器为研究对象,综合运用数值模拟与试验验证的方法,借助Fluent流体动力学软件,对颗粒物在6排管的翅片管换热器表面的沉积进行研究,采用SST k-ω模型,分析不同粒径颗粒物在换热器表面的沉积特性。同时,搭建积灰试验系统对数值模拟结果进行验证,利用CCD工业相机捕捉积灰过程中翅片表面的图像,并通过MATLAB对图像与数据进行处理和分析。结果表明,换热管表面的颗粒物沉积分布主要在±75°区域,沉积占比达94%;在换热管的背面,即±(160180)°区域,沉积占比仅为2%;在较低风速下,换热器表面的颗粒物沉积质量随风速增大而降低;风速达到1.5 m/s后,沉积质量开始上升;混合颗粒物对换热器的脏堵效应具有协同作用,相较于单一粒径颗粒物,混合颗粒物在换热器表面的最大沉积质量、压降及脏堵系数均呈现出更高的水平。研究结果可为空气源热泵系统在实际应用中的维护与优化提供参考。
, authors=赵勇, 马广兴, 常琛, 何怡, 苑文燕, 霍思源, authorsList=赵勇, 马广兴, 常琛, 何怡, 苑文燕, 霍思源, authorCompany=null, correspAuthors=马广兴, authorNote=
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马广兴(1972),男,博士,教授,硕士生导师,主要从事热泵技术与建筑节能、低碳建筑与可再生能源利用等相关研究,通信地址:010051 内蒙古自治区呼和浩特市内蒙古工业大学土木工程学院,E-mail:
mgx126@126.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=1Bko9tA9cGneGq390bq/YQ==, magXml=db/JlsK/BpChPv5yL5UJng==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=xafNiYOW3rZYIVdo/iyJYA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=xPGk4JDqmxbZE9tjjHPUbg==, mapNumber=null, fund=null)}, authors=[Author(id=1319293078352016109, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhaoyong90408@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293078431707887, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, authorId=1319293078352016109, language=EN, stringName=Yong ZHAO, firstName=Yong, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=College of Civil Engineering,Inner Mongolia University of Technology,Hohhot 010051,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293078498816752, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, authorId=1319293078352016109, language=CN, stringName=赵勇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=内蒙古工业大学 土木工程学院,呼和浩特 010051, bio={"content":"
赵勇(1999),男,硕士研究生,主要从事空气源热泵室外换热器的积灰与除灰等相关的研究,E-mail:zhaoyong90408@163.com。
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赵勇(1999),男,硕士研究生,主要从事空气源热泵室外换热器的积灰与除灰等相关的研究,E-mail:zhaoyong90408@163.com。
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颗粒物沉积示意, figureFileSmall=SkaJW6GrykDWxkwAcJQGOg==, figureFileBig=tylRBWDjVGR9x9TMDPDw0w==, tableContent=null), ArticleFig(id=1319293080763740950, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.3, caption=
Computational mesh of the model, figureFileSmall=qOm/w4k87xezIr5fNF3zFw==, figureFileBig=5YnLi48Mr8bkR9DYqHy69g==, tableContent=null), ArticleFig(id=1319293080818266903, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图3, caption=
模型计算网格, figureFileSmall=qOm/w4k87xezIr5fNF3zFw==, figureFileBig=5YnLi48Mr8bkR9DYqHy69g==, tableContent=null), ArticleFig(id=1319293080889570072, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.4, caption=
The relationship between DPM deposition concentration and the number of grids, figureFileSmall=b5nI5TvVUFsJ4oYCQXH+Mg==, figureFileBig=kztCW5cO5Lp6lSzkCCtw5Q==, tableContent=null), ArticleFig(id=1319293080965067545, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图4, caption=
DPM沉积浓度与网格数量的关系, figureFileSmall=b5nI5TvVUFsJ4oYCQXH+Mg==, figureFileBig=kztCW5cO5Lp6lSzkCCtw5Q==, tableContent=null), ArticleFig(id=1319293081032176410, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.5, caption=
Comparison of the ΔP of the experimental and simulated values, figureFileSmall=aI0GOWXzyuR2sytiWDIVpA==, figureFileBig=HYMev6t5z5ridkoDCOK3vg==, tableContent=null), ArticleFig(id=1319293081090896667, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图5, caption=
试验值与模拟值的压降ΔP对比, figureFileSmall=aI0GOWXzyuR2sytiWDIVpA==, figureFileBig=HYMev6t5z5ridkoDCOK3vg==, tableContent=null), ArticleFig(id=1319293081158005532, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.6, caption=
DPM trace, figureFileSmall=stEmo6U4VWJnI6JqtIbe3Q==, figureFileBig=/nXxSvfOe43k7Z4VrQ8Pgg==, tableContent=null), ArticleFig(id=1319293081225114397, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图6, caption=
DPM迹线图, figureFileSmall=stEmo6U4VWJnI6JqtIbe3Q==, figureFileBig=/nXxSvfOe43k7Z4VrQ8Pgg==, tableContent=null), ArticleFig(id=1319293081304806174, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.7, caption=
Surface deposition of heat exchange tubes, figureFileSmall=gYYd7YUMGhS8Q/84jzofkg==, figureFileBig=uU+dxKsFnzeFyMev+k39nA==, tableContent=null), ArticleFig(id=1319293081376109343, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图7, caption=
换热管表面沉积情况, figureFileSmall=gYYd7YUMGhS8Q/84jzofkg==, figureFileBig=uU+dxKsFnzeFyMev+k39nA==, tableContent=null), ArticleFig(id=1319293081434829600, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.8, caption=
Deposition angles of different particle sizes on the heat exchange tube surface, figureFileSmall=56U2XGcKsba1kflfFA2elQ==, figureFileBig=ORR1kbtgPUrG8BEC3ZnCHg==, tableContent=null), ArticleFig(id=1319293081514521377, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图8, caption=
各粒径颗粒物在换热管表面的沉积角度, figureFileSmall=56U2XGcKsba1kflfFA2elQ==, figureFileBig=ORR1kbtgPUrG8BEC3ZnCHg==, tableContent=null), ArticleFig(id=1319293081577435938, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.9, caption=
The proportion of deposition in each deposition area on the surface of the heat exchanger tube, figureFileSmall=0HRTaoXeBHNlaWAvqADHtQ==, figureFileBig=SZYvpkw2Jo2S+MvnpxB8Nw==, tableContent=null), ArticleFig(id=1319293081648739107, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图9, caption=
换热管表面各沉积区域的沉积占比, figureFileSmall=0HRTaoXeBHNlaWAvqADHtQ==, figureFileBig=SZYvpkw2Jo2S+MvnpxB8Nw==, tableContent=null), ArticleFig(id=1319293081724236580, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.10, caption=
Variation curves of the deposition quality of the heat exchanger as a function of wind speed, figureFileSmall=Gdc1rBzUTbfKnyzxJNMx8A==, figureFileBig=5rk0bxkpgPF2kYFalGGUlg==, tableContent=null), ArticleFig(id=1319293081803928357, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图10, caption=
换热器总体、翅片、换热管表面沉积质量随风速变化曲线, figureFileSmall=Gdc1rBzUTbfKnyzxJNMx8A==, figureFileBig=5rk0bxkpgPF2kYFalGGUlg==, tableContent=null), ArticleFig(id=1319293081879425830, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.11, caption=
Variation of DPM quality on the surface of the heat exchanger and the heat exchanger tube, figureFileSmall=1NoMs88uMQg+59TbhtiRIQ==, figureFileBig=AAzF+uej6pHq4uarzgmrvg==, tableContent=null), ArticleFig(id=1319293081959117607, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图11, caption=
换热器总体与换热管表面DPM质量变化, figureFileSmall=1NoMs88uMQg+59TbhtiRIQ==, figureFileBig=AAzF+uej6pHq4uarzgmrvg==, tableContent=null), ArticleFig(id=1319293082043003688, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.12, caption=
Heat exchanger pressure drop over time, figureFileSmall=ivee171fcSvKJ4VmFIz29Q==, figureFileBig=Vm6S5McKEDmZhpZsBf74ig==, tableContent=null), ArticleFig(id=1319293082118501161, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图12, caption=
换热器压降随时间变化, figureFileSmall=ivee171fcSvKJ4VmFIz29Q==, figureFileBig=Vm6S5McKEDmZhpZsBf74ig==, tableContent=null), ArticleFig(id=1319293082185610026, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.13, caption=
Schematic diagram of the test bench, figureFileSmall=kqJMlOgg8JWIeQi/RcIw/A==, figureFileBig=5mHRcC7/ARo4QelqEsq2mQ==, tableContent=null), ArticleFig(id=1319293082265301803, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图13, caption=
实验台示意, figureFileSmall=kqJMlOgg8JWIeQi/RcIw/A==, figureFileBig=5mHRcC7/ARo4QelqEsq2mQ==, tableContent=null), ArticleFig(id=1319293082340799276, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.14, caption=
Unprocessed diagram and Kirsch operator detection diagram, figureFileSmall=DyJHRY3lXMnMO6m7dmh6fQ==, figureFileBig=Ws8XOzZUX1LYW2q3XwXgVA==, tableContent=null), ArticleFig(id=1319293082424685357, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图14, caption=
未处理图及Kirsch算子检测图, figureFileSmall=DyJHRY3lXMnMO6m7dmh6fQ==, figureFileBig=Ws8XOzZUX1LYW2q3XwXgVA==, tableContent=null), ArticleFig(id=1319293082487599918, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Fig.15, caption=
Dirt plugging coefficient of heat exchanger when particulate matter concentration is 1.2 and 2.7 g/m3, figureFileSmall=rL8vUnVlJbVCs0vm09BsXQ==, figureFileBig=7PBOQVg4QE2O1sljxr8bVw==, tableContent=null), ArticleFig(id=1319293082542125871, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=图15, caption=
颗粒物浓度为1.2,2.7 g/m3时换热器脏堵系数, figureFileSmall=rL8vUnVlJbVCs0vm09BsXQ==, figureFileBig=7PBOQVg4QE2O1sljxr8bVw==, tableContent=null), ArticleFig(id=1319293082617623344, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Tab.1, caption=
Geometric model structure parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 翅片间距/mm | 横向管间距S1/mm | 纵向管间距S2/mm | 管排数 | D/mm | 翅片厚度/mm |
|---|
| 2 | 10.5 | 12 | 6 | 10 | 0.2 |
), ArticleFig(id=1319293082688926513, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=表1, caption=
几何模型结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 翅片间距/mm | 横向管间距S1/mm | 纵向管间距S2/mm | 管排数 | D/mm | 翅片厚度/mm |
|---|
| 2 | 10.5 | 12 | 6 | 10 | 0.2 |
), ArticleFig(id=1319293082764423986, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=EN, label=Tab.2, caption=
Physical property parameters of SiO2
, figureFileSmall=null, figureFileBig=null, tableContent=
| 物性参数 | 数值 |
|---|
| 密度/(kg·m-3) | 2 250 |
| 粒径/µm | 1~30 |
| 等效杨氏模量/Pa | 3.8×1010 |
| 表面能/(J·m-2) | 0.3 |
| 等效剪切模量/Pa | 7.6×109 |
| 屈服应力/N | 2.65×108 |
), ArticleFig(id=1319293082848310067, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293075084653256, language=CN, label=表2, caption=
SiO2物性参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 物性参数 | 数值 |
|---|
| 密度/(kg·m-3) | 2 250 |
| 粒径/µm | 1~30 |
| 等效杨氏模量/Pa | 3.8×1010 |
| 表面能/(J·m-2) | 0.3 |
| 等效剪切模量/Pa | 7.6×109 |
| 屈服应力/N | 2.65×108 |
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