Article(id=1320037701898842404, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.03.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753286400000, receivedDateStr=2025-07-24, revisedDate=1767715200000, revisedDateStr=2026-01-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651113246, onlineDateStr=2026-10-22, pubDate=1774800000000, pubDateStr=2026-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651113246, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651113246, creator=13701087609, updateTime=1792651113246, updator=13701087609, issue=Issue{id=1320037605320802443, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='3', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1774800000000', pubDateStr='2026-03-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651090221, creator='13701087609', updateTime=1792656224643, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059140710454212, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059140710454213, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=39, endPage=46, ext={EN=ArticleExt(id=1320037702062420261, articleId=1320037701898842404, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Research on micro‑channel freezing in supercritical LNG high‑pressure vaporizer, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Aiming at the freezing problem on the hot side of the high‑pressure vaporizer,a core component of the Fuel Gas Supply System (FGSS) for dual‑fuel power vessels,a three‑dimensional numerical model with dual channels was established for the high‑pressure vaporizer to simulate the flow and heat transfer processes of supercritical liquefied natural gas (LNG) and 50% ethylene glycol aqueous solution.Parametric analyses were carried out to investigate the effects of inlet temperature and flow rate on the hot‑side freezing behavior for both the cold side (supercritical LNG) and the hot side (50% ethylene glycol aqueous solution).The numerical results show that under the 1∶1 alternating arrangement of cold and hot plates,freezing is prone to occur in the outlet region of the hot side,especially at the channel corners,leading to a decrease in the Nusselt number (Nu) and a 16% increase in flow resistance in the frozen sections.The reduction in inlet velocity (from 3.0 m/s to 0.5 m/s) and temperature (from 328 K to 308 K) on the hot side,as well as the increase in inlet velocity (from 0.5 m/s to 2.5 m/s) and the decrease in temperature (from 130 K to 110 K) on the cold side,all contribute to the thickening of the ice layer.Severe freezing occurs when the inlet velocity of the cold side is higher than that of the hot side,with the ice layer occupying up to 81.6% of the outlet channel cross‑sectional area,which significantly elevates the risk of freeze blockage in the heat exchanger.The quantitative analysis model for freezing behavior under the coupling effect of multiple parameters established in this study provides a theoretical basis for the optimal structural design of anti‑icing configurations for LNG high‑pressure vaporizers.
, authors=Dandan DONG
1, Yongdong CHEN
1, Gaige YU
1, 2, Bingchuan HAN
1, authorsList=Dandan DONG, Yongdong CHEN, Gaige YU, Bingchuan HAN, authorCompany=null, correspAuthors=Yongdong CHEN, 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=1320037705677910330, articleId=1320037701898842404, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=超临界LNG高压气化器微通道结冰研究, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对双燃料动力船FGSS核心设备高压气化器在运行过程中热侧出现结冰的问题,建立高压气化器双通道三维数值模型,对超临界LNG/乙二醇水溶液流动换热过程进行了数值模拟,参数化分析了冷侧(超临界LNG)/热侧(50%乙二醇水溶液)入口温度、流量对热侧结冰的影响。结果表明,冷热板片1∶1交替布置时,热侧出口区域特别是通道拐角处易出现结冰现象,结冰段Nu降低,流阻增加16%;热侧入口流速降低(由3.0 m/s降至0.5 m/s)、温度下降(由328 K降至308 K),以及冷侧入口流速增大(由0.5 m/s升至2.5 m/s)、温度降低(由130 K降至110 K),均会增加冰层厚度,当冷侧流速大于热侧流速时,结冰严重,出口冰层占通道截面最大达到81.6%,显著加剧换热器冻堵风险。研究建立的多参数耦合作用下结冰行为的定量分析模型,为LNG高压气化器的防冻结构优化设计提供了理论依据。
, authors=董丹丹
1, 陈永东
1, 于改革
1, 2, 韩冰川
1, authorsList=董丹丹, 陈永东, 于改革, 韩冰川, authorCompany=null, correspAuthors=陈永东, authorNote=
董丹丹(1992),女,硕士,工程师,主要从事传热与流动数值模拟、传热与流动试验平台设计等工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:dongdd0562@163.com。
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陈永东(1968),男,教授级高工,副总工程师,长期从事石油、化工、天然气等领域换热设备的传热工艺研究与结构设计开发等工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:
chenyongdong@hgmri.com。
, copyrightStatement=
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=OS5oW0qwh/JWC36l3IR/2w==, magXml=xYAuVkZLo3V5QT6XdQ0wrQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=MP2rm8rUD/K3ak+FDqrMkg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=foI6tki86eMA+czbsCpHdg==, mapNumber=null, fund=null)}, authors=[Author(id=1320037706055397698, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=dongdd0562@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037706139283780, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, authorId=1320037706055397698, language=EN, stringName=Dandan DONG, firstName=Dandan, middleName=null, lastName=DONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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董丹丹(1992),女,硕士,工程师,主要从事传热与流动数值模拟、传热与流动试验平台设计等工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:dongdd0562@163.com。
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董丹丹(1992),女,硕士,工程师,主要从事传热与流动数值模拟、传热与流动试验平台设计等工作,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:dongdd0562@163.com。
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Comparison between simulated and experimental results, figureFileSmall=ZEyrJ7AZQxQhm/7bGPdJoQ==, figureFileBig=iCC3bZJ0jhRX2GB6wntF9Q==, tableContent=null), ArticleFig(id=1320037709834465635, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图2, caption=
模拟与试验结果对比, figureFileSmall=ZEyrJ7AZQxQhm/7bGPdJoQ==, figureFileBig=iCC3bZJ0jhRX2GB6wntF9Q==, tableContent=null), ArticleFig(id=1320037709914157412, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.3, caption=
Contours of axial distribution of Vh,liquid, figureFileSmall=OSJp54bJoj9HgbwO21QFJw==, figureFileBig=OZz29jDGwq7hDpPLmH1B6w==, tableContent=null), ArticleFig(id=1320037709993849189, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图3, caption=
Vh,liquid沿轴向分布云图, figureFileSmall=OSJp54bJoj9HgbwO21QFJw==, figureFileBig=OZz29jDGwq7hDpPLmH1B6w==, tableContent=null), ArticleFig(id=1320037710073540966, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.4, caption=
Variation of Nuc and △Ph along the axial, figureFileSmall=BB/NEr6Eh+vYkXj3xnUQJQ==, figureFileBig=bbVj11/9+PLhUvkUMzEfwg==, tableContent=null), ArticleFig(id=1320037710149038439, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图4, caption=
Nuc及△Ph沿轴向变化曲线, figureFileSmall=BB/NEr6Eh+vYkXj3xnUQJQ==, figureFileBig=bbVj11/9+PLhUvkUMzEfwg==, tableContent=null), ArticleFig(id=1320037710232924520, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.5, caption=
Vh,liquid under different inlet velocities, figureFileSmall=p4CfAkDfjI2Qg5d39oeZyg==, figureFileBig=v7FmWVPNJ4Y6tVqmYVoOGQ==, tableContent=null), ArticleFig(id=1320037710300033385, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图5, caption=
不同入口流速下Vh,liquid分布云图, figureFileSmall=p4CfAkDfjI2Qg5d39oeZyg==, figureFileBig=v7FmWVPNJ4Y6tVqmYVoOGQ==, tableContent=null), ArticleFig(id=1320037710383919466, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.6, caption=
Variation curve of Nucwith flow velocity, figureFileSmall=wq/Ws9oOy/QQoMwtmJdFcw==, figureFileBig=IMsFHLUyf1pYqtwX3GBqdQ==, tableContent=null), ArticleFig(id=1320037710455222635, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图6, caption=
Nuc随流速变化曲线, figureFileSmall=wq/Ws9oOy/QQoMwtmJdFcw==, figureFileBig=IMsFHLUyf1pYqtwX3GBqdQ==, tableContent=null), ArticleFig(id=1320037710530720108, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.7, caption=
Variation curve of △Ph and f with flow velocity, figureFileSmall=I7Sf8tRFpYki+F9VTLvVAA==, figureFileBig=HZUvVfRXf/Ibyn20KgUULg==, tableContent=null), ArticleFig(id=1320037710618800493, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图7, caption=
△Ph及f随流速变化曲线, figureFileSmall=I7Sf8tRFpYki+F9VTLvVAA==, figureFileBig=HZUvVfRXf/Ibyn20KgUULg==, tableContent=null), ArticleFig(id=1320037710681715054, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.8, caption=
Vh,liquid under different temperatures, figureFileSmall=N6yfvZrSJzqDZ3bvWM+TaQ==, figureFileBig=IxI2oCGg4+qd+iYifPs/3Q==, tableContent=null), ArticleFig(id=1320037710753018223, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图8, caption=
不同温度下Vh,liquid分布云图, figureFileSmall=N6yfvZrSJzqDZ3bvWM+TaQ==, figureFileBig=IxI2oCGg4+qd+iYifPs/3Q==, tableContent=null), ArticleFig(id=1320037710820127088, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.9, caption=
Variation curve of Nuc with temperature, figureFileSmall=+VD0nXAkTTGeJ7d3Ekt4Kw==, figureFileBig=/cukkELXwZ6WS4IcC7NsGA==, tableContent=null), ArticleFig(id=1320037710895624561, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图9, caption=
Nuc随温度变化曲线, figureFileSmall=+VD0nXAkTTGeJ7d3Ekt4Kw==, figureFileBig=/cukkELXwZ6WS4IcC7NsGA==, tableContent=null), ArticleFig(id=1320037710971122034, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Fig.10, caption=
Variation curve of △Ph and f with flow temperature, figureFileSmall=t6CUP8BC5MpAM0M4TRsiOA==, figureFileBig=8sqeCE1aE5Sd6BbNaZV9iA==, tableContent=null), ArticleFig(id=1320037711050813811, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=图10, caption=
△Ph及f随温度变化曲线, figureFileSmall=t6CUP8BC5MpAM0M4TRsiOA==, figureFileBig=8sqeCE1aE5Sd6BbNaZV9iA==, tableContent=null), ArticleFig(id=1320037711122116980, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Tab.1, caption=
Physical properties of S-LNG and 50%EGW
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | S-LNG(30 MPa) | 50%EGW |
|---|
| 密度/(kg⋅m-3) | | |
| 导热系数/(W⋅m-1⋅K-1) | | |
| 定压比热/(J⋅kg-1⋅K-1) | | |
| 动力黏度/(Pa⋅s) | | |
| 相变温度/K | — | 236.15 |
| 相变潜热/(J⋅g-1) | — | 335 |
), ArticleFig(id=1320037711210197365, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=表1, caption=
S-LNG与50%EGW物性参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | S-LNG(30 MPa) | 50%EGW |
|---|
| 密度/(kg⋅m-3) | | |
| 导热系数/(W⋅m-1⋅K-1) | | |
| 定压比热/(J⋅kg-1⋅K-1) | | |
| 动力黏度/(Pa⋅s) | | |
| 相变温度/K | — | 236.15 |
| 相变潜热/(J⋅g-1) | — | 335 |
), ArticleFig(id=1320037711289889142, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=EN, label=Tab.2, caption=
Grid division and calculation results
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格尺寸 | 方案1 | 方案2 | 方案3 | 方案4 | 方案5 | 方案6 | 方案7 | 方案8 |
|---|
| 总网格数 | 1 216 200 | 1 492 800 | 2 082 000 | 2 704 800 | 4 146 600 | 1 585 200 | 2 190 000 | 4 153 200 |
| 边界层数 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 |
| 单元尺寸/mm | 0.08 | 0.07 | 0.06 | 0.05 | 0.04 | 0.08 | 0.06 | 0.04 |
| Tc,out/K | 287.34 | 287.38 | 287.48 | 287.54 | 287.42 | 287.08 | 287.25 | 323.36 |
| Th,out/K | 324.02 | 323.38 | 323.37 | 323.40 | 323.39 | 323.94 | 323.40 | 287.38 |
| Pc/kPa | 2.584 | 2.473 | 2.476 | 2.478 | 2.472 | 2.561 | 2.476 | 2.473 |
| Ph/kPa | 208.04 | 206.91 | 207.17 | 207.60 | 208.04 | 208.31 | 207.31 | 207.40 |
), ArticleFig(id=1320037711365386615, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037701898842404, language=CN, label=表2, caption=
网格划分及计算结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 网格尺寸 | 方案1 | 方案2 | 方案3 | 方案4 | 方案5 | 方案6 | 方案7 | 方案8 |
|---|
| 总网格数 | 1 216 200 | 1 492 800 | 2 082 000 | 2 704 800 | 4 146 600 | 1 585 200 | 2 190 000 | 4 153 200 |
| 边界层数 | 5 | 5 | 5 | 5 | 5 | 8 | 8 | 8 |
| 单元尺寸/mm | 0.08 | 0.07 | 0.06 | 0.05 | 0.04 | 0.08 | 0.06 | 0.04 |
| Tc,out/K | 287.34 | 287.38 | 287.48 | 287.54 | 287.42 | 287.08 | 287.25 | 323.36 |
| Th,out/K | 324.02 | 323.38 | 323.37 | 323.40 | 323.39 | 323.94 | 323.40 | 287.38 |
| Pc/kPa | 2.584 | 2.473 | 2.476 | 2.478 | 2.472 | 2.561 | 2.476 | 2.473 |
| Ph/kPa | 208.04 | 206.91 | 207.17 | 207.60 | 208.04 | 208.31 | 207.31 | 207.40 |
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