Article(id=1320037787986940004, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037738695475401, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.05.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1760457600000, receivedDateStr=2025-10-15, revisedDate=1776009600000, revisedDateStr=2026-04-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651133772, onlineDateStr=2026-10-22, pubDate=1780070400000, pubDateStr=2026-05-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651133772, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651133772, creator=13701087609, updateTime=1792651133772, updator=13701087609, issue=Issue{id=1320037738695475401, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='5', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1780070400000', pubDateStr='2026-05-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651122020, creator='13701087609', updateTime=1792656245721, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059229113795207, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037738695475401, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059229113795208, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037738695475401, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=94, endPage=101, ext={EN=ArticleExt(id=1320037789652078693, articleId=1320037787986940004, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Simulation of the working process of the BOG twin‑screw compressor based on Matlab-PDE toolbox thermal-fluid-structure coupling method, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the problem of excessive time cost when adopting fluid-structure interaction CFD simulations to study the effect of low‑temperature characteristics of boil‑off gas (BOG) on screw compressor efficiency,this study establishes a numerical model of a twin‑screw compressor using MATLAB.The PDE toolbox is employed to calculate the temperature distribution and thermal deformation of the screw rotors.The new clearance caused by rotor deformation is then incorporated into the numerical model to obtain the compressor efficiency considering rotor deformation.The computation time of this process is approximately 1/100 of that required for CFD simulations,greatly reducing the time cost.The numerical results were compared with those from an experimentally validated CFD model,and the errors in volumetric efficiency and isentropic efficiency were both within 3%.Furthermore,a low‑temperature intake test rig was constructed to measure volumetric efficiency at different intake temperatures.The maximum error between the measured data and the numerical results was within 5%,thereby verifying the reliability of the model.Based on the model,the influence of rotational speed on compressor performance was analyzed.The results show that as the rotational speed increases from 4 000 r/min to 10 000 r/min,the volumetric efficiency rises from 55.1% to 73.2%.The isentropic efficiency first increases and then decreases with rotational speed,reaching a maximum value of 62.2% at 8 000 r/min.This model can quickly and accurately predict the performance of the BOG twin‑screw compressor under various operating conditions,providing a reference for the efficiency design and optimization of high‑speed twin‑screw compressors.
, authors=Yuhang ZHOU
1, Yuli WANG
1, 2, Anna DIAO
2, Yi GUO
1, Jianmei FENG
1, authorsList=Yuhang ZHOU, Yuli WANG, Anna DIAO, Yi GUO, Jianmei FENG, authorCompany=null, correspAuthors=Yi GUO, 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=1320037791862476926, articleId=1320037787986940004, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=基于Matlab-PDE toolbox热流固耦合仿真方法的蒸发气螺杆压缩机工作过程研究, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
针对采用流固耦合CFD仿真计算研究蒸发气低温特性对螺杆压缩机效率影响时,存在时间成本过高的问题,本文通过Matlab编程工具建立螺杆压缩机数值计算模型,利用PDE工具箱计算螺杆转子的温度分布与温度变形,将转子变形产生的新间隙代入数值模型,得到考虑转子变形后的压缩机效率,该过程计算用时仅约为CFD计算的1/100,极大降低了时间成本。将模型计算结果与经试验验证的CFD模型结果进行对比,容积效率和绝热效率误差均不超过3%;同时搭建低温进气试验台,测量不同进气温度下的容积效率,测量数据与数值计算结果最大误差不超过5%,验证了模型的可靠性。据此分析了不同转速对压缩机性能的影响,结果表明,转速从4 000 r/min提升至10 000 r/min时,容积效率从55.1%升高至73.2%;绝热效率随转速呈先增后减的趋势,在转速为8 000 r/min时达到最大值62.2%。该模型可快速准确预测不同工况下蒸发气螺杆压缩机的性能,为高转速螺杆压缩机的效率设计与优化提供参考。
, authors=周宇航
1, 王玉莉
1, 2, 刁安娜
2, 郭怡
1, 冯健美
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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=D3D0JyWkZP4Z5M4HF8KLnA==, magXml=QFEYOKk/iPROjr1cNc4vbg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=I41hfShJRv9tvqKM+LekUg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=vyM8umkv/fuvKvh88ZX7mw==, mapNumber=null, fund=null)}, authors=[Author(id=1320037792223187078, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yuhangzhou@stu.xjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037792290295944, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, authorId=1320037792223187078, language=EN, stringName=Yuhang ZHOU, firstName=Yuhang, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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周宇航(1995),男,博士研究生,主要从事BOG螺杆压缩机的设计与优化,E-mail:yuhangzhou@stu.xjtu.edu.cn。
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周宇航(1995),男,博士研究生,主要从事BOG螺杆压缩机的设计与优化,E-mail:yuhangzhou@stu.xjtu.edu.cn。
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The control volume of numerical model, figureFileSmall=fuj6MsfKX8Ce+kfC0l/C3A==, figureFileBig=I41hfShJRv9tvqKM+LekUg==, tableContent=null), ArticleFig(id=1320037799072485547, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图1, caption=
数值模型控制容积示意, figureFileSmall=fuj6MsfKX8Ce+kfC0l/C3A==, figureFileBig=I41hfShJRv9tvqKM+LekUg==, tableContent=null), ArticleFig(id=1320037799374475436, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.2, caption=
The model of male rotor, figureFileSmall=wrpOImxjkLvmMkHYZEnO7Q==, figureFileBig=MXh+H0eSXygy8ggRzOl6GA==, tableContent=null), ArticleFig(id=1320037799437389997, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图2, caption=
阳转子模型, figureFileSmall=wrpOImxjkLvmMkHYZEnO7Q==, figureFileBig=MXh+H0eSXygy8ggRzOl6GA==, tableContent=null), ArticleFig(id=1320037799496110254, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.3, caption=
The constraint setting of the steady‑state structure analysis, figureFileSmall=E6pHkO7BlnfuyhOdmZzdrw==, figureFileBig=20PhZrxmhkG4TiWLg6ZE0Q==, tableContent=null), ArticleFig(id=1320037799575802031, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图3, caption=
稳态结构分析约束设置示意, figureFileSmall=E6pHkO7BlnfuyhOdmZzdrw==, figureFileBig=20PhZrxmhkG4TiWLg6ZE0Q==, tableContent=null), ArticleFig(id=1320037799626133680, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.4, caption=
Comparison of the rotor's radial deformation between CFD and numerical model, figureFileSmall=CXiOIBQ7NMDaQp4PUQmRrg==, figureFileBig=qf3kKf4RXTIleRBcHhNXMQ==, tableContent=null), ArticleFig(id=1320037799689048241, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图4, caption=
CFD和数值模型的转子径向变形对比, figureFileSmall=CXiOIBQ7NMDaQp4PUQmRrg==, figureFileBig=qf3kKf4RXTIleRBcHhNXMQ==, tableContent=null), ArticleFig(id=1320037799756157106, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.5, caption=
The low⁃temperature experimental system, figureFileSmall=Su9qv4Lyyn9k2f/Jot5dvg==, figureFileBig=/CgfRfsogjQQD6qni4dwhw==, tableContent=null), ArticleFig(id=1320037799827460275, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图5, caption=
低温性能试验系统, figureFileSmall=Su9qv4Lyyn9k2f/Jot5dvg==, figureFileBig=/CgfRfsogjQQD6qni4dwhw==, tableContent=null), ArticleFig(id=1320037799898763444, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.6, caption=
Comparison of volumetric efficiency between experimental data and numerical model, figureFileSmall=4/xiETy5bI3RqtvECz7Qhg==, figureFileBig=GxNKbOOAb7Akh7ULqBcgvQ==, tableContent=null), ArticleFig(id=1320037799970066613, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图6, caption=
试验数据与数值模型容积效率的对比, figureFileSmall=4/xiETy5bI3RqtvECz7Qhg==, figureFileBig=GxNKbOOAb7Akh7ULqBcgvQ==, tableContent=null), ArticleFig(id=1320037800028786871, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.7, caption=
Temperature distribution of the rotors at -90 ℃,6 000 r/min, figureFileSmall=TD57rGtaSNOdmC/rs+uSdQ==, figureFileBig=/May5BTaOfBnOhJLfP6U5w==, tableContent=null), ArticleFig(id=1320037800091701432, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图7, caption=
-90 ℃,6 000 r/min工况下转子温度分布, figureFileSmall=TD57rGtaSNOdmC/rs+uSdQ==, figureFileBig=/May5BTaOfBnOhJLfP6U5w==, tableContent=null), ArticleFig(id=1320037800175587513, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.8, caption=
The reference lines at lobe top of the male and female rotors, figureFileSmall=DfsxivlLocnsC/UukPNwRA==, figureFileBig=dq83+YjOxKYwi5O+wXDBMw==, tableContent=null), ArticleFig(id=1320037800263667898, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图8, caption=
阴阳转子齿顶参考线示意, figureFileSmall=DfsxivlLocnsC/UukPNwRA==, figureFileBig=dq83+YjOxKYwi5O+wXDBMw==, tableContent=null), ArticleFig(id=1320037800343359675, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.9, caption=
The temperature of the reference line at different rotational speeds, figureFileSmall=3IKxpEvg7tZNIR8stjCz4g==, figureFileBig=WwDGLoyzSsa18TMHEJMAdg==, tableContent=null), ArticleFig(id=1320037800406274236, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图9, caption=
不同转速下参考线温度分布, figureFileSmall=3IKxpEvg7tZNIR8stjCz4g==, figureFileBig=WwDGLoyzSsa18TMHEJMAdg==, tableContent=null), ArticleFig(id=1320037800481771709, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.10, caption=
The mean radial deformation of the rotors at different speeds, figureFileSmall=9cPHD/7hJAXOj/uVwlMv5w==, figureFileBig=McthJoUGcXZUjvhKMwpQkA==, tableContent=null), ArticleFig(id=1320037800548880574, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图10, caption=
不同转速转子平均径向变形, figureFileSmall=9cPHD/7hJAXOj/uVwlMv5w==, figureFileBig=McthJoUGcXZUjvhKMwpQkA==, tableContent=null), ArticleFig(id=1320037800641155263, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.11, caption=
The p-V and T-V diagram of the compressor at different speeds when -30 ℃, figureFileSmall=7IRCaRf361ByFsyfdkKIGw==, figureFileBig=PapMHBUKm+x79YG+Pz2O9w==, tableContent=null), ArticleFig(id=1320037800729235648, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图11, caption=
-30 ℃工况下不同转速压缩机p-V和T-V图, figureFileSmall=7IRCaRf361ByFsyfdkKIGw==, figureFileBig=PapMHBUKm+x79YG+Pz2O9w==, tableContent=null), ArticleFig(id=1320037800901202113, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Fig.12, caption=
The volumetric and isotropic efficiency of the compressor at different speeds, figureFileSmall=sK+c92fwjrAZqMQHVt4qNQ==, figureFileBig=FesH5OIiCdgF8SbbNkybvQ==, tableContent=null), ArticleFig(id=1320037800964116674, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=图12, caption=
不同转速下压缩机的容积效率和绝热效率, figureFileSmall=sK+c92fwjrAZqMQHVt4qNQ==, figureFileBig=FesH5OIiCdgF8SbbNkybvQ==, tableContent=null), ArticleFig(id=1320037801035419844, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Tab.1, caption=
The structure parameters of the rotor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构尺寸 | 阳转子 | 阴转子 |
|---|
| 转子型线 | SMR-A | SMR-A |
| 转子齿数比 | 4∶6 | 4∶6 |
| 中心距/mm | 140 | 140 |
| 转子长度/mm | 283 | 283 |
| 转子直径/mm | 178.5 | 178.5 |
| 阳转子扭转角/(°) | 300 | 200 |
), ArticleFig(id=1320037801110917317, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=表1, caption=
转子结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 结构尺寸 | 阳转子 | 阴转子 |
|---|
| 转子型线 | SMR-A | SMR-A |
| 转子齿数比 | 4∶6 | 4∶6 |
| 中心距/mm | 140 | 140 |
| 转子长度/mm | 283 | 283 |
| 转子直径/mm | 178.5 | 178.5 |
| 阳转子扭转角/(°) | 300 | 200 |
), ArticleFig(id=1320037803002548422, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Tab.2, caption=
The properties of 25Cr2Ni3MoV steel
, figureFileSmall=null, figureFileBig=null, tableContent=
| 物理性能 | 数值 |
|---|
| 弹性模量/MPa | 1.96×105 |
| 泊松比 | 0.3 |
| 线膨胀系数/℃-1 | 12.3×10-5 |
| 热导率/(W·m-1·℃-1) | 39.6 |
| 比热容/(J·kg-1·℃-1) | 434 |
), ArticleFig(id=1320037803078045895, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=表2, caption=
25Cr2Ni3MoV钢物理性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 物理性能 | 数值 |
|---|
| 弹性模量/MPa | 1.96×105 |
| 泊松比 | 0.3 |
| 线膨胀系数/℃-1 | 12.3×10-5 |
| 热导率/(W·m-1·℃-1) | 39.6 |
| 比热容/(J·kg-1·℃-1) | 434 |
), ArticleFig(id=1320037803157737672, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=EN, label=Tab.3, caption=
Comparison of the efficiency between CFD and numerical model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 转速/(r·min-1) | 容积效率/% | 绝热效率/% |
|---|
| CFD | 数值模型 | 偏差 | CFD | 数值模型 | 偏差 |
|---|
| 6 000 | 73.17 | 75.64 | 2.47 | 67.90 | 70.16 | 2.26 |
| 8 000 | 77.55 | 79.82 | 2.27 | 68.69 | 71.69 | 3.00 |
| 10 000 | 79.98 | 82.04 | 2.06 | 68.67 | 70.54 | 1.87 |
), ArticleFig(id=1320037803405201609, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037787986940004, language=CN, label=表3, caption=
CFD和数值模型计算的压缩机效率对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 转速/(r·min-1) | 容积效率/% | 绝热效率/% |
|---|
| CFD | 数值模型 | 偏差 | CFD | 数值模型 | 偏差 |
|---|
| 6 000 | 73.17 | 75.64 | 2.47 | 67.90 | 70.16 | 2.26 |
| 8 000 | 77.55 | 79.82 | 2.27 | 68.69 | 71.69 | 3.00 |
| 10 000 | 79.98 | 82.04 | 2.06 | 68.67 | 70.54 | 1.87 |
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