Article(id=1320037844958168026, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.06.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1766246400000, receivedDateStr=2025-12-21, revisedDate=1775491200000, revisedDateStr=2026-04-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651147354, onlineDateStr=2026-10-22, pubDate=1782748800000, pubDateStr=2026-06-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651147354, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651147354, creator=13701087609, updateTime=1792651147354, updator=13701087609, issue=Issue{id=1320037798686605953, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='6', pageStart='1', pageEnd='122', issueExtLink='null', onlineDate='null', pubDate='1782748800000', pubDateStr='2026-06-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651136322, creator='13701087609', updateTime=1792656254917, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059267693003413, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059267693003414, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037798686605953, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=95, endPage=103, ext={EN=ArticleExt(id=1320037845109162971, articleId=1320037844958168026, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Study on dynamic defrosting characteristics of air‑cooled refrigerator evaporator based on power step reduction strategy, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issues of high energy consumption and low efficiency associated with electric heating defrosting in air‑cooled refrigerator evaporators,a dynamic CFD defrosting model was established.This model was used to investigate the melting characteristics of various tube rows operating under a constant power mode.Using the mass of melted frost as a quantitative indicator,the defrosting process was divided into six sub‑stages.Based on the principle of dynamic matching between frost load and heat supply,five stepped power reduction strategies were designed to explore the effects of variable power on defrosting energy consumption,efficiency,and the improvement of heat distribution.The results indicate that all variable power strategies achieve varying degrees of improvement compared to the constant power mode.Among them,the power step reduction strategy 1 based on the entire defrosting process performs the best.It reduces defrosting energy consumption by 14.49%,increases defrosting efficiency by 5.72%,reduces average defrosting power by 35.27%,and reduces defrosting residual heat by 19.09 kJ.This study can provide a reference for the design of variable power control strategy for electric heating defrosting systems in air‑cooled refrigerator evaporators.
, authors=Ligao XIE
1, 2, Hengxuan GAO
1, Siyuan WU
1, Xiaoyu WANG
1, 2, Rijing ZHAO
1, Dong HUANG
1, authorsList=Ligao XIE, Hengxuan GAO, Siyuan WU, Xiaoyu WANG, Rijing ZHAO, Dong HUANG, authorCompany=null, correspAuthors=Rijing ZHAO, 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=1320037848175199215, articleId=1320037844958168026, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于功率阶梯降低策略的风冷冰箱蒸发器动态除霜特性研究, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
针对风冷冰箱蒸发器电加热除霜能耗高、效率低的问题,建立动态除霜CFD模型,研究在定功率运行模式下,各管排除霜特性。以除霜水的质量为量化指标,将除霜阶段划分为6个子阶段。基于霜热动态匹配原则,设计5种功率阶梯降低策略,探究变功率对除霜能耗和除霜效率的影响,以及对除霜热量分布的改善。结果表明,各变功率策略相比定功率均有不同程度的改善,其中基于除霜阶段全过程的功率阶梯降低策略1最佳,除霜能耗降低14.49%,除霜效率提升5.72%,除霜平均功率降低35.27 W,除霜残留热量减少19.09 kJ。研究可为风冷冰箱蒸发器电加热除霜的变功率控制策略设计提供参考。
, authors=谢李高
1, 2, 高恒煊
1, 吴思远
1, 王晓宇
1, 2, 赵日晶
1, 黄东
1, authorsList=谢李高, 高恒煊, 吴思远, 王晓宇, 赵日晶, 黄东, authorCompany=null, correspAuthors=赵日晶, authorNote=
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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=3Fw6INfEskoGff5WeTEr7A==, magXml=DvnwDmWvELFIqzsElYPZOw==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=hefNZC5Q3vqkpEH2HBu83A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=7qZosJcmLCwwPixSJuVfBg==, mapNumber=null, fund=null)}, authors=[Author(id=1320037848644961271, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xielg@midea.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037848745624570, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, authorId=1320037848644961271, language=EN, stringName=Ligao XIE, firstName=Ligao, middleName=null, lastName=XIE, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China
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1西安交通大学 能源与动力工程学院,西安 710049
2广东美的制冷设备有限公司,广东 佛山 528311, bio={"content":"
谢李高(1983),男,高级工程师,研究方向为制冷与空调节能技术,E-mail:xielg@midea.com。
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谢李高(1983),男,高级工程师,研究方向为制冷与空调节能技术,E-mail:xielg@midea.com。
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1School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China
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1西安交通大学 能源与动力工程学院,西安 710049
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Physical model of dynamic defrosting, figureFileSmall=Dt5/jsp0yXQ2hzvndjVKtA==, figureFileBig=hefNZC5Q3vqkpEH2HBu83A==, tableContent=null), ArticleFig(id=1320037852654714912, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图1, caption=
动态除霜物理模型示意, figureFileSmall=Dt5/jsp0yXQ2hzvndjVKtA==, figureFileBig=hefNZC5Q3vqkpEH2HBu83A==, tableContent=null), ArticleFig(id=1320037852881207329, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.2, caption=
Fin-tube evaporator, figureFileSmall=NGyqfKjb6R6F5EN8H+tO+A==, figureFileBig=1hARP2Sw3IRIyNCeEBqQGA==, tableContent=null), ArticleFig(id=1320037852965093410, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图2, caption=
翅片管蒸发器, figureFileSmall=NGyqfKjb6R6F5EN8H+tO+A==, figureFileBig=1hARP2Sw3IRIyNCeEBqQGA==, tableContent=null), ArticleFig(id=1320037853053173795, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.3, caption=
Comparison of the dynamic defrosting process between simulation and experiment, figureFileSmall=4EONj4mI0fNAV9XyM3Aojg==, figureFileBig=+KJvLXheZtoFmwxCk3kU3A==, tableContent=null), ArticleFig(id=1320037853137059876, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图3, caption=
仿真与试验动态除霜过程对比, figureFileSmall=4EONj4mI0fNAV9XyM3Aojg==, figureFileBig=+KJvLXheZtoFmwxCk3kU3A==, tableContent=null), ArticleFig(id=1320037853229334565, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.4, caption=
Curve of evaporator defrosting characteristic, figureFileSmall=MU/+cMQLpbrL4ZL2tKAdDg==, figureFileBig=4p7g56xd6jD1SSupAWDo2g==, tableContent=null), ArticleFig(id=1320037853288054822, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图4, caption=
蒸发器融霜特性曲线, figureFileSmall=MU/+cMQLpbrL4ZL2tKAdDg==, figureFileBig=4p7g56xd6jD1SSupAWDo2g==, tableContent=null), ArticleFig(id=1320037853346775079, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.5, caption=
Distribution of defrosting characteristics in each stages, figureFileSmall=WZ1Sq+DKPviVdD5pdUCWkg==, figureFileBig=lr+tcMEYJ0bkW3gj+Y6utg==, tableContent=null), ArticleFig(id=1320037853422272552, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图5, caption=
各阶段融霜特性分布, figureFileSmall=WZ1Sq+DKPviVdD5pdUCWkg==, figureFileBig=lr+tcMEYJ0bkW3gj+Y6utg==, tableContent=null), ArticleFig(id=1320037853501964329, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.6, caption=
Schematic diagram of variable power strategies based on defrosting stages, figureFileSmall=6GgUfafPbTqQbS6MbK7GRw==, figureFileBig=fSD8jPMNLnUlIsrKwjuJGA==, tableContent=null), ArticleFig(id=1320037853577461802, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图6, caption=
基于融化阶段制定的变功率策略示意, figureFileSmall=6GgUfafPbTqQbS6MbK7GRw==, figureFileBig=fSD8jPMNLnUlIsrKwjuJGA==, tableContent=null), ArticleFig(id=1320037853669736491, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.7, caption=
Distribution of defrosting efficiency and defrosting energy consumption under different strategies, figureFileSmall=Bg+JzMBOrjkdo5OH3csaLw==, figureFileBig=erZxH73B1ohJnC4vYF+PHw==, tableContent=null), ArticleFig(id=1320037853741039660, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图7, caption=
不同策略下除霜效率与除霜能耗分布, figureFileSmall=Bg+JzMBOrjkdo5OH3csaLw==, figureFileBig=erZxH73B1ohJnC4vYF+PHw==, tableContent=null), ArticleFig(id=1320037853808148525, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.8, caption=
Distribution of defrosting time and defrosting average power under different strategies, figureFileSmall=Mevx/cKh30JaJt+7ndC/bg==, figureFileBig=d/8aCi3oi3SzedaXF9fsUw==, tableContent=null), ArticleFig(id=1320037853875257390, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图8, caption=
不同策略下除霜时间与除霜平均功率分布, figureFileSmall=Mevx/cKh30JaJt+7ndC/bg==, figureFileBig=d/8aCi3oi3SzedaXF9fsUw==, tableContent=null), ArticleFig(id=1320037853942366255, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Fig.9, caption=
Temporal evolution of mean surface temperature across evaporator tube rows under different strategies, figureFileSmall=iB+SmYl+wcw6TtSgyjLCwg==, figureFileBig=ZTKrlXTxxC9d3ofYEPAW3A==, tableContent=null), ArticleFig(id=1320037854026252336, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=图9, caption=
不同策略下蒸发器各管排表面平均温度随除霜时间的变化, figureFileSmall=iB+SmYl+wcw6TtSgyjLCwg==, figureFileBig=ZTKrlXTxxC9d3ofYEPAW3A==, tableContent=null), ArticleFig(id=1320037854114332721, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Tab.1, caption=
Structural parameters of CFD dynamic defrosting model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构名称 | 参数 | 规格 |
|---|
| 管翅式蒸发器 | 长、宽、高 | 364,60,369 |
| 电加热器 | 长、管径 | 1 416.8,6 |
| 冷冻室回风口 | 长、宽 | 307,30 |
| 风机入口 | 内径 | 80 |
| 排水口 | 内径 | 20 |
| 空气域 | 长、宽、高 | 369,62,525 |
), ArticleFig(id=1320037854177247282, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=表1, caption=
CFD动态除霜模型结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构名称 | 参数 | 规格 |
|---|
| 管翅式蒸发器 | 长、宽、高 | 364,60,369 |
| 电加热器 | 长、管径 | 1 416.8,6 |
| 冷冻室回风口 | 长、宽 | 307,30 |
| 风机入口 | 内径 | 80 |
| 排水口 | 内径 | 20 |
| 空气域 | 长、宽、高 | 369,62,525 |
), ArticleFig(id=1320037854231773235, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Tab.2, caption=
Main parameters of the evaporator
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 管排 | 翅片数量 |
|---|
| 总管排数 | 7 | | 1 | 11 |
| 管列数 | 2 | | 2 | 15 |
| 管长/mm | 310 | | 3 | 29 |
| 管外径/mm | 8 | | 4 | 29 |
| 翅片高/mm | 60 | | 5 | 58 |
| 翅片宽/mm | 28 | | 6 | 58 |
| 翅片厚/mm | 0.15 | | 7 | 33 |
), ArticleFig(id=1320037854315659316, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=表2, caption=
蒸发器主要参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | | 管排 | 翅片数量 |
|---|
| 总管排数 | 7 | | 1 | 11 |
| 管列数 | 2 | | 2 | 15 |
| 管长/mm | 310 | | 3 | 29 |
| 管外径/mm | 8 | | 4 | 29 |
| 翅片高/mm | 60 | | 5 | 58 |
| 翅片宽/mm | 28 | | 6 | 58 |
| 翅片厚/mm | 0.15 | | 7 | 33 |
), ArticleFig(id=1320037854391156789, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Tab.3, caption=
Initial frost layers distribution each tube rows
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管排 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|
| 质量/g | 39.30 | 41.95 | 54.43 | 48.84 | 66.30 | 55.90 | 33.96 |
| 厚度/mm | 2.9 | 2.5 | 1.9 | 1.7 | 1.3 | 1.1 | 1.2 |
), ArticleFig(id=1320037854454071350, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=表3, caption=
各管排初始霜层分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 管排 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|
| 质量/g | 39.30 | 41.95 | 54.43 | 48.84 | 66.30 | 55.90 | 33.96 |
| 厚度/mm | 2.9 | 2.5 | 1.9 | 1.7 | 1.3 | 1.1 | 1.2 |
), ArticleFig(id=1320037854508597303, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Tab.4, caption=
Thermophysical properties of frost layers
, figureFileSmall=null, figureFileBig=null, tableContent=
| 热物性参数 | 数值 |
|---|
| 密度/(kg⋅m-3) | 239.64 |
| 导热系数/(W⋅m-1⋅K-1) | 0.265 4 |
| 定压比热容/(J⋅kg-1⋅K-1) | 1 900 |
| 融化潜热/(J⋅kg-1) | 333 600 |
), ArticleFig(id=1320037854588289080, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=表4, caption=
霜层的热物性参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 热物性参数 | 数值 |
|---|
| 密度/(kg⋅m-3) | 239.64 |
| 导热系数/(W⋅m-1⋅K-1) | 0.265 4 |
| 定压比热容/(J⋅kg-1⋅K-1) | 1 900 |
| 融化潜热/(J⋅kg-1) | 333 600 |
), ArticleFig(id=1320037854697340985, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=EN, label=Tab.5, caption=
Thermal distribution characteristics under different strategies
, figureFileSmall=null, figureFileBig=null, tableContent=
| 策略 | 电加 热量 | 环境 热量 | 蒸发器热容热量 | 壁面热容热量 | 间室 漏热 |
|---|
| 定功率 | 365.58 | 4.69 | 87.07 | 8.87 | 43.05 |
| 策略1 | 312.62 | 5.13 | 69.63 | 7.11 | 43.16 |
| 策略2 | 314.64 | 4.78 | 71.38 | 6.94 | 42.93 |
| 策略3 | 320.49 | 4.70 | 72.93 | 7.04 | 42.92 |
| 策略4 | 331.38 | 4.69 | 75.51 | 7.99 | 42.91 |
| 策略5 | 341.10 | 4.69 | 80.32 | 8.44 | 42.56 |
), ArticleFig(id=1320037854768644154, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037844958168026, language=CN, label=表5, caption=
不同策略下的热量分布特性
, figureFileSmall=null, figureFileBig=null, tableContent=
| 策略 | 电加 热量 | 环境 热量 | 蒸发器热容热量 | 壁面热容热量 | 间室 漏热 |
|---|
| 定功率 | 365.58 | 4.69 | 87.07 | 8.87 | 43.05 |
| 策略1 | 312.62 | 5.13 | 69.63 | 7.11 | 43.16 |
| 策略2 | 314.64 | 4.78 | 71.38 | 6.94 | 42.93 |
| 策略3 | 320.49 | 4.70 | 72.93 | 7.04 | 42.92 |
| 策略4 | 331.38 | 4.69 | 75.51 | 7.99 | 42.91 |
| 策略5 | 341.10 | 4.69 | 80.32 | 8.44 | 42.56 |
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