Article(id=1319293502421315716, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1319293461287780384, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.10.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1731772800000, receivedDateStr=2024-11-17, revisedDate=1753372800000, revisedDateStr=2025-07-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1792473682265, onlineDateStr=2026-10-20, pubDate=1761840000000, pubDateStr=2025-10-31, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792473682265, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792473682265, creator=13701087609, updateTime=1792473682265, updator=13701087609, issue=Issue{id=1319293461287780384, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='10', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1761840000000', pubDateStr='2025-10-31', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792473672458, creator='13701087609', updateTime=1792473672458, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=62, endPage=72, ext={EN=ArticleExt(id=1319293502589087877, articleId=1319293502421315716, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=The effect of gas volume fraction on the two‑phase flow field and structural deformation in a progressive cavity pump, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To investigate the flow characteristics and multi‑field coupling mechanisms inside the twin‑screw pump.Based on the Eulerian-Eulerian heterogeneous flow model and the immersed boundary method,a transient simulation of the flow field in a multiphase twin‑screw pump was conducted under varying gas volume fraction conditions.The variations in pump outlet flow rate,pressure,phase distribution,and rotor surface velocity were analyzed.The fluid pressure was applied to both the rotors and the liner to obtain the laws of radial,circumferential,axial deformation and stress-strain of the rotors and liner.Furthermore,the pressure at monitoring points was compared with experimental data,validating the accuracy of the results.The results indicate that the outlet flow rate initially increases and subsequently decreases with the rising gas volume fraction,reaching its maximum value at a gas volume fraction of 50%.The pressure exhibits a step‑like increase from the inlet to the outlet,remaining nearly constant within individual cavities.The gas volume fraction exhibits a positive correlation with the pressure‑boosting capacity of the last‑stage screw.The gas phase predominantly accumulates in the screw roots,near the outlet edges,and at the intermeshing zones of the screw rotors throughout the flow passage.The liquid phase exhibits relatively higher velocities at the outlet,the meshing region between the driving and driven screw rotors,and near the screw tips.The radial and circumferential deformations of the rotor reach their maximum at the outlet.Under a gas volume fraction of 95%,the maximum radial and circumferential deformations reach 3.501 7×10⁻⁶ m and 3.603 7×10⁻⁶ m,respectively.The radial deformation of the liner reaches its maximum at the outlet and exceeds the deformation values in all other directions.The structural strength of both the rotors and the liner meets the requirements under all gas volume fraction conditions.The gas volume fraction influences the pump's outlet flow rate,internal pressure distribution,gas‑phase distribution,liquid‑phase velocity,and structural deformations;however,it does not affect the structural strength of the rotors and the liner.This study can provide valuable insights for optimizing the geometric profile design of the rotors and clearance control of twin‑screw pumps,thereby effectively enhancing their transportation efficiency and operational stability under multiphase flow conditions.
, authors=Xuejing ZHANG
1, Li WANG
1, Guisheng ZHU
1, Yuwang YAO
1, Wei HAN
2, authorsList=Xuejing ZHANG, Li WANG, Guisheng ZHU, Yuwang YAO, Wei HAN, authorCompany=null, correspAuthors=null, 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=1319293512047243430, articleId=1319293502421315716, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=含气率对螺杆泵两相流流场及形变特性的影响, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为研究泵内流动特性与多场耦合机理,基于Eulerian-Eulerian非均相流模型和浸入实体法,在不同含气率工况下对混输双螺杆泵流场进行瞬态模拟,分析了泵出口流量、压力、相态分布及转子表面流速的变化规律;将流体压力施加到转子和衬套,得到转子与衬套的径向、周向、轴向变形及应力应变规律;并将监测点压力与试验结果进行对比,验证了结果的准确性。结果表明,出口流量随着含气率呈现先增加后减少的趋势,在含气率为50%时达到最大值;压力从入口到出口呈阶梯形变化,在同一腔室内几乎不变,含气率与最后一级螺杆的增压能力呈正相关;整个流道内的气相主要聚集在螺杆根部、出口边附近及螺杆转子啮合处;液相在出口、主从螺杆转子的啮合处及螺纹顶部速度相对较高;转子径向变形和周向变形在出口处达到最大值;含气率为95%时,转子的径向方向和周向方向的最大变形值分别达到3.501 7×10-6 m和3.603 7×10-6 m,衬套的径向方向变形在出口处达到最大值,且大于其他方向变形值。转子和衬套的结构强度在不同含气率工况下均满足要求;含气率对泵出口流量、泵腔压力分布、气相分布、液相流速及变形产生影响,但不影响转子与衬套的结构强度。研究结果可为优化双螺杆泵的型线设计、间隙控制提供参考,从而有效提升泵在多相流工况下的输送效率、运行稳定性。
, authors=张学静
1, 王莉
1, 朱桂盛
1, 姚宇望
1, 韩伟
2, authorsList=张学静, 王莉, 朱桂盛, 姚宇望, 韩伟, authorCompany=null, correspAuthors=null, authorNote=
张学静(1978),女,博士,副教授,主要从事流体机械内部流动及性能预测研究,通信地址:541004广西壮族自治区桂林市金鸡路2号桂林电子科技大学建筑与交通工程学院,E-mail:124467271@qq.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=MP0ySEA6f76/zeo7+QRtmQ==, magXml=q5g//6Cd60ApseHzWAPJtQ==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=XSoX/AnAmdNNLP/y35fXKA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=FJ7Q1/T63+6D2eWVU2GqTg==, mapNumber=null, fund=null)}, authors=[Author(id=1319293514584797359, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=124467271@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1319293514907758769, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, authorId=1319293514584797359, language=EN, stringName=Xuejing ZHANG, firstName=Xuejing, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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张学静(1978),女,博士,副教授,主要从事流体机械内部流动及性能预测研究,通信地址:541004广西壮族自治区桂林市金鸡路2号桂林电子科技大学建筑与交通工程学院,E-mail:124467271@qq.com。
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张学静(1978),女,博士,副教授,主要从事流体机械内部流动及性能预测研究,通信地址:541004广西壮族自治区桂林市金鸡路2号桂林电子科技大学建筑与交通工程学院,E-mail:124467271@qq.com。
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2Department of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1319293518879764682, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, authorId=1319293517118156999, language=CN, stringName=韩伟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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articleTitle=null, refAbstract=null), Reference(id=1319293534570656032, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=24, rfOrder=36, authorNames=null, journalName=null, refType=null, unstructuredReference=赵文军,刘欣,梁刚,等.不同过盈量和工作压力下螺杆泵定子与转子接触压力的有限元分析[J].润滑与密封,2023,48(12):40-45., articleTitle=null, refAbstract=null), Reference(id=1319293534641959200, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=24, rfOrder=37, authorNames=null, journalName=null, refType=null, unstructuredReference=ZHAO W J,LIU X,LIANG G,et al.Finite element analysis of contact pressure between stator and rotor of progressing cavity pump under different interference and working pressures[J].Lubrication Engineering,2023,48(12):40-45., articleTitle=null, refAbstract=null), Reference(id=1319293534713262369, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=25, rfOrder=38, authorNames=null, journalName=null, refType=null, unstructuredReference=ZHANG W B,JIANG Q F,BOIS G,et al.Experimental and numerical analysis on flow characteristics in a double helix screw pump[J].Energies,2019,12(18):3420., articleTitle=null, refAbstract=null), Reference(id=1319293534792954146, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=26, rfOrder=39, authorNames=null, journalName=null, refType=null, 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journalName=null, refType=null, unstructuredReference=MUHAMMED A H.Rotor dynamics of twin screw pumps [D].Texas:Texas A&M University,2013., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1319293512802218152, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, xref=1, ext=[AuthorCompanyExt(id=1319293512810606761, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, companyId=1319293512802218152, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Department of Architecture and Transportation Engineering,Guilin University of Electronic Technology,Guilin 541004,China), AuthorCompanyExt(id=1319293512818995370, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, companyId=1319293512802218152, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1桂林电子科技大学 建筑与交通工程学院,广西 桂林 541004)]), AuthorCompany(id=1319293514479939755, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, xref=2, ext=[AuthorCompanyExt(id=1319293514492522668, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, companyId=1319293514479939755, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2Department of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730050,China), AuthorCompanyExt(id=1319293514500911277, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, companyId=1319293514479939755, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2兰州理工大学 能源与动力工程学院,兰州 730050)])], figs=[ArticleFig(id=1319293520146444501, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.1, caption=
3D model of computational domain, figureFileSmall=zVItOaf7QV7ULzYNXwjakw==, figureFileBig=XSoX/AnAmdNNLP/y35fXKA==, tableContent=null), ArticleFig(id=1319293520234524886, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图1, caption=
计算域的三维模型, figureFileSmall=zVItOaf7QV7ULzYNXwjakw==, figureFileBig=XSoX/AnAmdNNLP/y35fXKA==, tableContent=null), ArticleFig(id=1319293520461017303, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.2, caption=
Meshing of rotor and fluid domains, figureFileSmall=z5gytZ/HW58h/DAVI+4wNg==, figureFileBig=MDpugjCMU54VEpwR20oWnw==, tableContent=null), ArticleFig(id=1319293520532320472, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图2, caption=
转子与流体域的网格划分, figureFileSmall=z5gytZ/HW58h/DAVI+4wNg==, figureFileBig=MDpugjCMU54VEpwR20oWnw==, tableContent=null), ArticleFig(id=1319293520653955289, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.3, caption=
The relationship between grid quantity and volumetric flow rate, figureFileSmall=7L8pvVU1pfAHPbScFqfwPg==, figureFileBig=t7KKElxHIqwK6ceeGgoY9g==, tableContent=null), ArticleFig(id=1319293520725258459, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图3, caption=
网格数量与体积流量的关系, figureFileSmall=7L8pvVU1pfAHPbScFqfwPg==, figureFileBig=t7KKElxHIqwK6ceeGgoY9g==, tableContent=null), ArticleFig(id=1319293520800755932, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.4, caption=
Screw rotor and liner mesh, figureFileSmall=1D83XqNr3jBaT1Hb9MMOsA==, figureFileBig=9Nmb+IrFq8FdVly1qnuyMQ==, tableContent=null), ArticleFig(id=1319293520880447709, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图4, caption=
螺杆转子与衬套网格, figureFileSmall=1D83XqNr3jBaT1Hb9MMOsA==, figureFileBig=9Nmb+IrFq8FdVly1qnuyMQ==, tableContent=null), ArticleFig(id=1319293520943362270, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.5, caption=
The relationship between export flow rate and gas content, figureFileSmall=Uu2k+nTXBdBC6dQCzM+35g==, figureFileBig=0RoC/NPZPmlhKfKfFFLWlA==, tableContent=null), ArticleFig(id=1319293524458189023, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图5, caption=
出口流量与含气率的关系, figureFileSmall=Uu2k+nTXBdBC6dQCzM+35g==, figureFileBig=0RoC/NPZPmlhKfKfFFLWlA==, tableContent=null), ArticleFig(id=1319293524537880800, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.6, caption=
Pressure variation diagrams within the fluid domain under different gas volume fraction conditions, figureFileSmall=El9mzE5R7RpQV9IYoAaT7g==, figureFileBig=9bvs9anUgOyk3EtVaRkfnQ==, tableContent=null), ArticleFig(id=1319293524621766881, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图6, caption=
不同含气率工况下流体域内压力变化情况, figureFileSmall=El9mzE5R7RpQV9IYoAaT7g==, figureFileBig=9bvs9anUgOyk3EtVaRkfnQ==, tableContent=null), ArticleFig(id=1319293524701458658, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.7, caption=
The pressure distribution between the calculation domain and section 1 at a gas content of 95%, figureFileSmall=vEwhlAUPMt9jCHFFCQDVVA==, figureFileBig=RPaC2TXr+/Y9ezhZN4lfXA==, tableContent=null), ArticleFig(id=1319293524785344739, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图7, caption=
含气率为95%时计算域与截面1的压力分布, figureFileSmall=vEwhlAUPMt9jCHFFCQDVVA==, figureFileBig=RPaC2TXr+/Y9ezhZN4lfXA==, tableContent=null), ArticleFig(id=1319293524848259300, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.8, caption=
Gas phase volume fraction distribution cloud of cross section 1 under different gas volume fraction, figureFileSmall=mQJsfmiP74IQP/mFv30KtQ==, figureFileBig=H3NMPXo0ToNeCyN9P83qsg==, tableContent=null), ArticleFig(id=1319293524923756773, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图8, caption=
不同含气率工况下截面1气相体积分数分布云图, figureFileSmall=mQJsfmiP74IQP/mFv30KtQ==, figureFileBig=H3NMPXo0ToNeCyN9P83qsg==, tableContent=null), ArticleFig(id=1319293525028614374, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.9, caption=
Vector diagram of the absolute velocity of water on the surface of the screw rotor under different gas volume conditions, figureFileSmall=7Q+bKah5BOjQgf1UAP4K+g==, figureFileBig=lmQQ/AKBVlxkyX4yiv/3Ag==, tableContent=null), ArticleFig(id=1319293525108306151, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图9, caption=
不同含气率工况下螺杆转子表面水绝对速度矢量, figureFileSmall=7Q+bKah5BOjQgf1UAP4K+g==, figureFileBig=lmQQ/AKBVlxkyX4yiv/3Ag==, tableContent=null), ArticleFig(id=1319293525183803625, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.10, caption=
Radial and circumferential deformation of the rotor and bushing at a gas content of 95%, figureFileSmall=UCxMYm3ShFMpSDiBZnQpcg==, figureFileBig=X8Md5ZXrNqtQJKgUAS/HFQ==, tableContent=null), ArticleFig(id=1319293525276078314, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图10, caption=
含气率为95%时转子与衬套径向和周向变形, figureFileSmall=UCxMYm3ShFMpSDiBZnQpcg==, figureFileBig=X8Md5ZXrNqtQJKgUAS/HFQ==, tableContent=null), ArticleFig(id=1319293525498376427, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.11, caption=
Maximum deformation values in radial and circumferential directions at the rotor outlet under different gas volume fractions, figureFileSmall=mWxguIEii9JlnDxA1rZYYA==, figureFileBig=VrljRQCiAgPwB1frgYWNKA==, tableContent=null), ArticleFig(id=1319293525804560620, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图11, caption=
不同含气率下转子出口处径向和周向变形最大值, figureFileSmall=mWxguIEii9JlnDxA1rZYYA==, figureFileBig=VrljRQCiAgPwB1frgYWNKA==, tableContent=null), ArticleFig(id=1319293525892641005, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.12, caption=
The relationship between gas content and radial and circumferential clearance change rate at the outlet, figureFileSmall=eKERaTtuF16Mz6elgyOHLQ==, figureFileBig=hENfl74Cq96QveP749E62g==, tableContent=null), ArticleFig(id=1319293526219796719, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图12, caption=
含气率与出口处径向和周向间隙变化率的关系, figureFileSmall=eKERaTtuF16Mz6elgyOHLQ==, figureFileBig=hENfl74Cq96QveP749E62g==, tableContent=null), ArticleFig(id=1319293527842992369, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.13, caption=
Pressure monitoring point layout in experimental and simulation, figureFileSmall=lPT4XUzC9wSgjirb/mXnxA==, figureFileBig=5CHpwTf/rVYjGjSG+hjHVQ==, tableContent=null), ArticleFig(id=1319293527910101234, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图13, caption=
试验与模拟压力监测点布局, figureFileSmall=lPT4XUzC9wSgjirb/mXnxA==, figureFileBig=5CHpwTf/rVYjGjSG+hjHVQ==, tableContent=null), ArticleFig(id=1319293527993987315, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Fig.14, caption=
Comparison chart of simulation and experiment at the monitoring point, figureFileSmall=FDKWBgUDx8iUOqg2t2u/mg==, figureFileBig=BSS2cjpZtTNXZXSvIxqQcw==, tableContent=null), ArticleFig(id=1319293528052707572, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=图14, caption=
监测点处模拟与试验对比, figureFileSmall=FDKWBgUDx8iUOqg2t2u/mg==, figureFileBig=BSS2cjpZtTNXZXSvIxqQcw==, tableContent=null), ArticleFig(id=1319293528124010741, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Tab.1, caption=
Performance parameters of 38CrMoAl and 06Cr19Ni10
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 38CrMoAl | 06Cr19Ni10 |
|---|
| 抗拉强度σb/MPa | 980 | 520 |
| 屈服强度σs/MPa | 835 | 205 |
| 最大许用应力σ/MPa | 557 | 117 |
| 密度ρ/(kg·m-3) | 7 800 | 7 930 |
| 弹性模量E/GPa | 210 | 193 |
| 泊松比μ | 0.3 | 0.247 |
), ArticleFig(id=1319293530112110838, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=表1, caption=
38CrMoAl和06Cr19Ni10的性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数名称 | 38CrMoAl | 06Cr19Ni10 |
|---|
| 抗拉强度σb/MPa | 980 | 520 |
| 屈服强度σs/MPa | 835 | 205 |
| 最大许用应力σ/MPa | 557 | 117 |
| 密度ρ/(kg·m-3) | 7 800 | 7 930 |
| 弹性模量E/GPa | 210 | 193 |
| 泊松比μ | 0.3 | 0.247 |
), ArticleFig(id=1319293530191802615, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=EN, label=Tab.2, caption=
Comparison of maximum equivalent stress and strain at different gas volume fraction
, figureFileSmall=null, figureFileBig=null, tableContent=
| GVF/% | 转子最大等效应力/MPa | 转子最大等效应变/(×10-5) | 衬套最大等效应力/MPa | 衬套最大等效应变/(×10-5) |
|---|
| 10 | 7.590 7 | 3.824 8 | 4.683 7 | 2.734 4 |
| 30 | 7.737 3 | 3.901 7 | 5.333 2 | 3.111 6 |
| 50 | 7.807 9 | 3.938 8 | 6.898 1 | 4.016 2 |
| 70 | 8.023 3 | 4.052 9 | 8.339 9 | 4.651 6 |
| 90 | 8.239 0 | 4.165 6 | 9.784 9 | 5.155 4 |
| 95 | 8.364 4 | 4.231 1 | 11.131 7 | 5.863 9 |
), ArticleFig(id=1319293530292465912, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1319293502421315716, language=CN, label=表2, caption=
不同含气率时转子最大等效应力和应变对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| GVF/% | 转子最大等效应力/MPa | 转子最大等效应变/(×10-5) | 衬套最大等效应力/MPa | 衬套最大等效应变/(×10-5) |
|---|
| 10 | 7.590 7 | 3.824 8 | 4.683 7 | 2.734 4 |
| 30 | 7.737 3 | 3.901 7 | 5.333 2 | 3.111 6 |
| 50 | 7.807 9 | 3.938 8 | 6.898 1 | 4.016 2 |
| 70 | 8.023 3 | 4.052 9 | 8.339 9 | 4.651 6 |
| 90 | 8.239 0 | 4.165 6 | 9.784 9 | 5.155 4 |
| 95 | 8.364 4 | 4.231 1 | 11.131 7 | 5.863 9 |
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