Article(id=1319294734762365309, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319294714340291556, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.11.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753113600000, receivedDateStr=2025-07-22, revisedDate=1760457600000, revisedDateStr=2025-10-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473976078, onlineDateStr=2026-10-20, pubDate=1764432000000, pubDateStr=2025-11-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473976078, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473976078, creator=13701087609, updateTime=1792473976078, updator=13701087609, issue=Issue{id=1319294714340291556, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='11', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='1764432000000', pubDateStr='2025-11-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473971208, creator='13701087609', updateTime=1792473971208, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=2, endPage=8, ext={EN=ArticleExt(id=1319294736536555902, articleId=1319294734762365309, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Experimental study on flow and heat transfer of LNG high‑pressure vaporizer, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the issues of insufficient heat transfer capacity and operational instability during the operation of high‑pressure vaporizers,the core equipment of ship fuel gas supply systems,an anti‑icing ultra‑supercritical LNG high‑pressure vaporizer with a cold‑to‑hot plate distribution ratio of 1:3 was designed.A test facility for studying the heat transfer and flow performance of supercritical nitrogen-50% ethylene glycol water solution (50% EGW) was constructed.The effects of cold and hot side inlet flow rates on heat transfer and flow resistance characteristics were investigated,and the freezing risk during operation was dynamically assessed.The experimental results show that when the supercritical nitrogen inlet flow rate increased from 400 kg/h to 1 000 kg/h,the maximum temperature drop at the hot side outlet reached 5.93 ℃,while the average heat transfer capacity and overall heat transfer coefficient increased by 147.3% and 246.9%,respectively.Concurrently,the total pressure drop on the supercritical nitrogen side increased by 160 kPa (a 57% rise in friction factor).In contrast,when the 50% EGW flow rate varied within the range of 10 669~17 071 kg/h,the heat transfer capacity remained stable,with the friction factor increasing by only 5.7%.When the hot side fluid of the high‑pressure vaporizer approached the freezing state,the heat transfer performance deteriorated significantly.This study reveals the heat transfer enhancement mechanisms and flow resistance evolution laws of high‑pressure vaporizers under supercritical conditions,providing a theoretical basis and data support for the structural optimization and anti‑icing design of high‑pressure vaporizers.
, authors=Dandan DONG
1, Yongdong CHEN
1, Gaige YU
1, 2, Xiaogen LIU
1, Bingchuan HAN
1, authorsList=Dandan DONG, Yongdong CHEN, Gaige YU, Xiaogen LIU, 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=1319294738587570577, articleId=1319294734762365309, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=LNG高压气化器流动传热试验研究, columnId=1317484286475883136, journalTitle=流体机械, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=
针对船舶燃料气体供应系统核心设备高压气化器,在运行过程中传热能力不足及运行不稳定的问题,设计了一种冷/热板片为1∶3分布的防冰冻型超临界LNG高压气化器,构建超临界氮气-50%乙二醇水溶液(50%EGW)传热与流动性能测试装置,研究了冷、热侧入口流量对换热及流阻特性的影响规律,并动态评估了运行过程中的冻结风险。试验结果表明:当超临界氮气入口流量从400 kg/h增至1 000 kg/h时,热侧出口温度最大降幅达5.93 ℃,平均换热量与总换热系数分别提升147.3%和246.9%,同时超临界氮气侧总压降增加160 kPa(摩擦因子增幅57%);而50%EGW流量在10 669~17 071 kg/h区间变化时,换热能力保持稳定,其摩擦因子仅增加5.7%。当高压气化器热侧流体接近冻结状态时,传热性能显著恶化。研究揭示了高压气化器在超临界工况下的传热强化机制与流动阻力演化规律,可为高压气化器的结构优化与防冰冻设计提供理论依据和数据支撑。
, authors=董丹丹
1, 陈永东
1, 于改革
1, 2, 刘孝根
1, 韩冰川
1, authorsList=董丹丹, 陈永东, 于改革, 刘孝根, 韩冰川, authorCompany=null, correspAuthors=陈永东, authorNote=
, correspAuthorsNote=
陈永东(1968),男,教授级高工,副总工程师,主要从事石油、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方面的研究,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:
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=GcFJkFiA3+xAVf0fQ9OjbQ==, magXml=lbKjd6QwAH8HEsCHuHpV2g==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=ErqgNH/MgpESdlkbFKo06g==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=wf5bkFpTcfP4osMCSjahOw==, mapNumber=null, fund=null)}, authors=[Author(id=1319294738969252249, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, 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=1319294739053138331, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, authorId=1319294738969252249, 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,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,E-mail:dongdd0562@163.com。
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1Hefei General Machinery Research Institute Co.,Ltd.,Hefei 230031,China
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results[J].Experimental Thermal Fluid Science,1988,1(1):3-17., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1319294738797285778, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, xref=1, ext=[AuthorCompanyExt(id=1319294738805674387, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, companyId=1319294738797285778, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Test prototype and cold/hot side plate stacking unit, figureFileSmall=ENPZBlDNLuX6LnZV+JVr+g==, figureFileBig=ErqgNH/MgpESdlkbFKo06g==, tableContent=null), ArticleFig(id=1319294742811234751, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图1, caption=
试验样机及冷、热侧板片堆叠单元, figureFileSmall=ENPZBlDNLuX6LnZV+JVr+g==, figureFileBig=ErqgNH/MgpESdlkbFKo06g==, tableContent=null), ArticleFig(id=1319294743012561344, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.2, caption=
Physical setup of the experimental system, figureFileSmall=bXv8yl9BAKl/budgv0l4iA==, figureFileBig=xyDX4Ufhq/xSVyl+IhHU2A==, tableContent=null), ArticleFig(id=1319294743125807553, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图2, caption=
试验系统实物, figureFileSmall=bXv8yl9BAKl/budgv0l4iA==, figureFileBig=xyDX4Ufhq/xSVyl+IhHU2A==, tableContent=null), ArticleFig(id=1319294743180333506, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.3, caption=
Experimental system flow diagram, figureFileSmall=evq0+LNZIO+3jVQHCeW4rg==, figureFileBig=0pZoAS6DnX6ZabMkP6ChDA==, tableContent=null), ArticleFig(id=1319294743251636675, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图3, caption=
试验系统流程, figureFileSmall=evq0+LNZIO+3jVQHCeW4rg==, figureFileBig=0pZoAS6DnX6ZabMkP6ChDA==, tableContent=null), ArticleFig(id=1319294743352299972, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.4, caption=
Cold and hot side heat balance error, figureFileSmall=hzASQBNpsyTzg9e1uiHPCQ==, figureFileBig=lQJuuTDN4mFeyf7suQnsGA==, tableContent=null), ArticleFig(id=1319294743436186053, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图4, caption=
冷、热侧热平衡误差, figureFileSmall=hzASQBNpsyTzg9e1uiHPCQ==, figureFileBig=lQJuuTDN4mFeyf7suQnsGA==, tableContent=null), ArticleFig(id=1319294743507489222, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.5, caption=
Effect of flow rate on cold and hot sideoutlet temperatures, figureFileSmall=ySx9ND6wQGRsu15x5nEH6w==, figureFileBig=PpWUbHiGTOoCH1BAByS3Gw==, tableContent=null), ArticleFig(id=1319294743578792391, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图5, caption=
流量对冷、热侧出口温度的影响, figureFileSmall=ySx9ND6wQGRsu15x5nEH6w==, figureFileBig=PpWUbHiGTOoCH1BAByS3Gw==, tableContent=null), ArticleFig(id=1319294745235542472, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.6, caption=
Effect of flow rate on average heat transfer capacity and overall heat transfer coefficient, figureFileSmall=Dg66QrzCiNsR8rx528XfYA==, figureFileBig=BMR+yrCrkzCmSWt4qKM4Tg==, tableContent=null), ArticleFig(id=1319294745327817161, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图6, caption=
流量对平均换热量、总传热系数的影响, figureFileSmall=Dg66QrzCiNsR8rx528XfYA==, figureFileBig=BMR+yrCrkzCmSWt4qKM4Tg==, tableContent=null), ArticleFig(id=1319294745407508938, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.7, caption=
Effect of flow rate on total pressure drop, figureFileSmall=GxYE9MThjrxqigz7vqbc4Q==, figureFileBig=H2+rua0DdcgIOKd66hbKEw==, tableContent=null), ArticleFig(id=1319294745483006411, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图7, caption=
流量对总压降的影响, figureFileSmall=GxYE9MThjrxqigz7vqbc4Q==, figureFileBig=H2+rua0DdcgIOKd66hbKEw==, tableContent=null), ArticleFig(id=1319294745554309580, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.8, caption=
Effect of Re on friction factor, figureFileSmall=0xLUzi93x0ycMwLltwMOlQ==, figureFileBig=+AodxhnJMjLMPOyJB68J5Q==, tableContent=null), ArticleFig(id=1319294745621418445, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图8, caption=
Re对摩擦因子的影响, figureFileSmall=0xLUzi93x0ycMwLltwMOlQ==, figureFileBig=+AodxhnJMjLMPOyJB68J5Q==, tableContent=null), ArticleFig(id=1319294745692721614, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Fig.9, caption=
Variation curves of parameters over time undericing conditions, figureFileSmall=1xxUdOEYoTp6fzdll6gAaA==, figureFileBig=2gYhLj5MVxu7zRSPKbBVFg==, tableContent=null), ArticleFig(id=1319294745772413391, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=图9, caption=
结冰工况各参数随时间变化曲线, figureFileSmall=1xxUdOEYoTp6fzdll6gAaA==, figureFileBig=2gYhLj5MVxu7zRSPKbBVFg==, tableContent=null), ArticleFig(id=1319294745856299472, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Tab.1, caption=
PCHE geometric dimensions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 冷侧 | 热侧1,3 | 热侧2 |
|---|
| 介质 | SCN2 | 50%EGW | 50%EGW |
| 水力直径/mm | 1.222 | 1.466 | 0.917 |
| 通道类型 | S型直通道 | ZigZag 15° | ZigZag 15° |
| 通道截面形状 | 半圆形 | 半圆形 | 半圆形 |
| 通道长度/m | 2.568 | 0.738 | 0.738 |
| 板片数量 | 5 | 10 | 5 |
| 通道数量 | 32 | 115 | 138 |
| 板片厚度/mm | 2 | 2 | 1 |
| 换热面积/m2 | 2.113 | 2.619 | 1.964 |
), ArticleFig(id=1319294745923408337, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=表1, caption=
PCHE几何尺寸
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| 参数 | 冷侧 | 热侧1,3 | 热侧2 |
|---|
| 介质 | SCN2 | 50%EGW | 50%EGW |
| 水力直径/mm | 1.222 | 1.466 | 0.917 |
| 通道类型 | S型直通道 | ZigZag 15° | ZigZag 15° |
| 通道截面形状 | 半圆形 | 半圆形 | 半圆形 |
| 通道长度/m | 2.568 | 0.738 | 0.738 |
| 板片数量 | 5 | 10 | 5 |
| 通道数量 | 32 | 115 | 138 |
| 板片厚度/mm | 2 | 2 | 1 |
| 换热面积/m2 | 2.113 | 2.619 | 1.964 |
), ArticleFig(id=1319294746024071634, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Tab.2, caption=
Experimental system instrumentation parameters
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| 名称 | 测量范围 | 精度 |
|---|
| 差压变送器 | 0~500 kPa | ±0.065% |
| 温度变送器 | -200~100 ℃ | ±1 ℃ |
| 体积流量计 | 1.6~250 m3/h | ±0.5% |
| 差压变送器 | 0~500 kPa | ±0.065% |
| 温度变送器 | 0~100 ℃ | ±1%FS |
| 体积流量计 | 0~40 m3/h | ±0.5% |
), ArticleFig(id=1319294746112152019, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=表2, caption=
试验系统测量仪表参数
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| 名称 | 测量范围 | 精度 |
|---|
| 差压变送器 | 0~500 kPa | ±0.065% |
| 温度变送器 | -200~100 ℃ | ±1 ℃ |
| 体积流量计 | 1.6~250 m3/h | ±0.5% |
| 差压变送器 | 0~500 kPa | ±0.065% |
| 温度变送器 | 0~100 ℃ | ±1%FS |
| 体积流量计 | 0~40 m3/h | ±0.5% |
), ArticleFig(id=1319294746187649492, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Tab.3, caption=
Uncertainty of experimental variable parameters
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| 参数 | 不确定度 |
|---|
| 平均换热量/kW | ±0.51% |
| 总传热系数/(W⋅m-2⋅K-1) | ±0.52% |
| 摩擦系数 | 1.73% |
), ArticleFig(id=1319294746258952661, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=表3, caption=
试验变量参数的不确定度
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| 参数 | 不确定度 |
|---|
| 平均换热量/kW | ±0.51% |
| 总传热系数/(W⋅m-2⋅K-1) | ±0.52% |
| 摩擦系数 | 1.73% |
), ArticleFig(id=1319294746334450134, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=EN, label=Tab.4, caption=
Test conditions
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| 入口参数 | 冷侧 | 热侧通道1,3 | 热侧通道2 |
|---|
| 压力/MPa | 30 | 0.5 | 0.5 |
| 温度/℃ | -163 | 55 | 55 |
| 流量/(kg⋅h-1) | 400~1 000 | 10 669~17 071 |
| Re | 5 102~12 754 | 842~1 347 | 526~842 |
), ArticleFig(id=1319294746393170391, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319294734762365309, language=CN, label=表4, caption=
试验工况
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| 入口参数 | 冷侧 | 热侧通道1,3 | 热侧通道2 |
|---|
| 压力/MPa | 30 | 0.5 | 0.5 |
| 温度/℃ | -163 | 55 | 55 |
| 流量/(kg⋅h-1) | 400~1 000 | 10 669~17 071 |
| Re | 5 102~12 754 | 842~1 347 | 526~842 |
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