Article(id=1211002413138440835, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1210998030828958715, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202305063, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1683907200000, receivedDateStr=2023-05-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766655074628, onlineDateStr=2025-12-25, pubDate=1706112000000, pubDateStr=2024-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766655074628, onlineIssueDateStr=2025-12-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766655074628, creator=13701087609, updateTime=1766655074628, updator=13701087609, issue=Issue{id=1210998030828958715, tenantId=1146029695717560320, journalId=1210938733613449225, year='2024', volume='53', issue='1', pageStart='1', pageEnd='196', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766654029805, creator=13701087609, updateTime=1766734793553, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1211336778607366994, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1210998030828958715, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1211336778611561299, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1210998030828958715, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=134, endPage=144, ext={EN=ArticleExt(id=1211002415554360036, articleId=1211002413138440835, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Flow loss assessment for a supercritical carbon dioxide axial turbine stage, columnId=1211002405299294959, journalTitle=Thermal Power Generation, columnName=Thermal energy science research, runingTitle=null, highlight=null, articleAbstract=
In order to further investigate the loss mechanism in supercritical carbon dioxide turbines, the flow characteristics in a turbine stage were studied by numerical method. The losses in the passage of stator and rotor blades were decomposed, and the various loss values and their proportions were quantitatively calculated. The loss sequence of the supercritical carbon dioxide turbine stage was clarified. The results show that, the high density of supercritical carbon dioxide and low blade height result in a very large leakage loss in turbine stage. When the stage load coefficient is 0.93, the relative height of the stator clearance is 0.012 and the relative height of the rotor clearance is 0.010, the leakage loss accounts for 38.23% of the total loss, including 21.94% of the diaphragm seal leakage loss and 16.29% of the tip seal leakage loss. Except for leakage loss, when the average maximum thickness divided by chord length is 0.33 and the aspect ratio is 2.07 in stator passage, the profile loss is much higher than the endwall loss and trailing edge loss, accounting for 9.68% of the total loss. In rotor passage, when the average maximum thickness divided by chord length is 0.28 and the aspect ratio is 1.73, the difference among endwall loss, profile loss, and trailing edge loss is not significant, and the profile loss has the highest proportion, accounting for 15.39% of the total loss. The influence range of secondary flow in rotor is even wider, and its endwall loss is much higher than that of the stator. The main sources of endwall loss are viscous dissipation of fluid near the end wall and secondary loss caused by horseshoe vortices, passage vortices, etc. The research results will provide direction guidance and data support for the design and optimization of supercritical carbon dioxide turbines.
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为进一步探究超临界二氧化碳透平内部的损失机制,针对某透平级采用数值方法研究了其流动特性,将静叶与动叶通道内的损失进行分解,定量计算了各项损失大小及其占比,明晰了超临界二氧化碳透平级的损失大小序列。结果表明,超临界二氧化碳介质密度大和透平叶高小导致其隔板密封和叶顶密封的泄漏损失巨大,级负荷为0.93,静叶间隙相对高度为0.012,动叶间隙相对高度为0.010时,泄漏损失占级总损失的38.23%,其中隔板密封泄漏损失占比为21.94%,叶顶密封泄漏损失占比为16.29%。除泄漏损失外:静叶栅通道内,叶片平均最大厚度比弦长为0.33,展弦比为2.07时,型面损失远高于端壁损失和尾迹损失,占级总损失的9.68%;动叶栅通道内,叶片平均最大厚度比弦长为0.28,展弦比为1.73时,型面损失、端壁损失和尾迹损失相差不大,型面损失仍然占比最高,达到级总损失的15.39%;动叶通道内的二次流影响范围更大,导致其端壁损失远高于静叶端壁损失,其壁面附近流体的黏性耗散和马蹄涡、通道涡等造成的二次流损失是端壁损失的主要来源。研究结果可为超临界二氧化碳透平的优化设计提供方向指引和数据支撑。
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, authorsList=张磊, 石赜, 舒伟林, 杨锐, 杨国英, 邓清华)}, authors=[Author(id=1211020293380895197, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhleivip@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1211020293468975584, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020293380895197, language=EN, stringName=Lei ZHANG, firstName=Lei, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.Guoneng Guohua (Beijing) Electric Power Research Institute Co., Ltd., Beijing 102209, China
2.CHN Energy New Energy Technology Research Institute Co., Ltd., Beijing 102209, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1211020293536084449, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020293380895197, language=CN, stringName=张磊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.国能国华(北京)电力研究院有限公司,北京 102209
2.国家能源集团新能源技术研究院有限公司,北京 102209, bio={"content":"
张磊(1982),男,博士,高级工程师,主要研究方向为清洁高效发电技术,zhleivip@qq.com。
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张磊(1982),男,博士,高级工程师,主要研究方向为清洁高效发电技术,zhleivip@qq.com。
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1.国能国华(北京)电力研究院有限公司,北京 102209)]), AuthorCompany(id=1211020293158597073, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=2., ext=[AuthorCompanyExt(id=1211020293171179986, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293158597073, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.国家能源集团新能源技术研究院有限公司,北京 102209)])]), Author(id=1211020293603193315, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1211020293699662310, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020293603193315, language=EN, stringName=Ze SHI, firstName=Ze, middleName=null, lastName=SHI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.Guoneng Guohua (Beijing) Electric Power Research Institute Co., Ltd., Beijing 102209, China
2.CHN Energy New Energy Technology Research Institute Co., Ltd., Beijing 102209, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1211020293779354087, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020293603193315, language=CN, stringName=石赜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1.国能国华(北京)电力研究院有限公司,北京 102209
2.国家能源集团新能源技术研究院有限公司,北京 102209, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1211020293095682510, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=1., ext=[AuthorCompanyExt(id=1211020293104071119, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293095682510, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Guoneng Guohua (Beijing) Electric Power Research Institute Co., Ltd., Beijing 102209, China), AuthorCompanyExt(id=1211020293108265424, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293095682510, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.国能国华(北京)电力研究院有限公司,北京 102209)]), AuthorCompany(id=1211020293158597073, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=2., ext=[AuthorCompanyExt(id=1211020293171179986, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293158597073, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.CHN Energy New Energy Technology Research Institute Co., Ltd., Beijing 102209, China), AuthorCompanyExt(id=1211020293175374291, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293158597073, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.国家能源集团新能源技术研究院有限公司,北京 102209)])]), Author(id=1211020293838074345, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1211020293905183211, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020293838074345, language=EN, stringName=Weilin SHU, firstName=Weilin, middleName=null, lastName=SHU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.Shanghai Turbine Works Co., Ltd., Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1211020295012479468, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020293838074345, language=CN, stringName=舒伟林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.上海汽轮机厂有限公司,上海 200240, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1211020293238288853, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=3., ext=[AuthorCompanyExt(id=1211020293246677462, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293238288853, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Shanghai Turbine Works Co., Ltd., Shanghai 200240, China), AuthorCompanyExt(id=1211020293255066071, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293238288853, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.上海汽轮机厂有限公司,上海 200240)])]), Author(id=1211020295079588334, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1211020295159280112, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020295079588334, language=EN, stringName=Rui YANG, firstName=Rui, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.Shanghai Turbine Works Co., Ltd., Shanghai 200240, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1211020295213806065, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020295079588334, language=CN, stringName=杨锐, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3.上海汽轮机厂有限公司,上海 200240, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1211020293238288853, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=3., ext=[AuthorCompanyExt(id=1211020293246677462, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293238288853, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Shanghai Turbine Works Co., Ltd., Shanghai 200240, China), AuthorCompanyExt(id=1211020293255066071, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293238288853, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.上海汽轮机厂有限公司,上海 200240)])]), Author(id=1211020295314469363, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1211020295377383925, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020295314469363, language=EN, stringName=Guoying YANG, firstName=Guoying, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1211020295448687094, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020295314469363, language=CN, stringName=杨国英, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.西安交通大学能源与动力工程学院,陕西 西安 710049, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1211020293313786329, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=4., ext=[AuthorCompanyExt(id=1211020293322174938, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293313786329, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China), AuthorCompanyExt(id=1211020293326369243, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293313786329, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.西安交通大学能源与动力工程学院,陕西 西安 710049)])]), Author(id=1211020295507407352, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=qhdeng@mail.xjtu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1211020295574516218, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020295507407352, language=EN, stringName=Qinghua DENG, firstName=Qinghua, middleName=null, lastName=DENG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
4.School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1211020295637430779, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, authorId=1211020295507407352, language=CN, stringName=邓清华, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
4, address=
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Thermal Power Generation,
2023,
52(6): 52-62., articleTitle=Comparative study of flow characteristics between carbon dioxide and steam in cascade passage, refAbstract=null)], funds=[Fund(id=1211020300934836794, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, awardId=U20A20303, language=EN, fundingSource=Joint Fund of National Natural Science Foundation of China(U20A20303), fundOrder=null, country=null), Fund(id=1211020301006139963, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, awardId=U20A20303, language=CN, fundingSource=国家自然科学基金联合基金(U20A20303), fundOrder=null, country=null), Fund(id=1211020301069054524, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, awardId=2017YFB0601804, language=EN, fundingSource=National Key Research and Development Program(2017YFB0601804), fundOrder=null, country=null), Fund(id=1211020301123580477, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, awardId=2017YFB0601804, language=CN, fundingSource=国家重点研发计划项目(2017YFB0601804), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1211020293095682510, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=1., ext=[AuthorCompanyExt(id=1211020293104071119, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293095682510, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Guoneng Guohua (Beijing) Electric Power Research Institute Co., Ltd., Beijing 102209, China), AuthorCompanyExt(id=1211020293108265424, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293095682510, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.国能国华(北京)电力研究院有限公司,北京 102209)]), AuthorCompany(id=1211020293158597073, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=2., ext=[AuthorCompanyExt(id=1211020293171179986, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293158597073, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.CHN Energy New Energy Technology Research Institute Co., Ltd., Beijing 102209, China), AuthorCompanyExt(id=1211020293175374291, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293158597073, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.国家能源集团新能源技术研究院有限公司,北京 102209)]), AuthorCompany(id=1211020293238288853, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=3., ext=[AuthorCompanyExt(id=1211020293246677462, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293238288853, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.Shanghai Turbine Works Co., Ltd., Shanghai 200240, China), AuthorCompanyExt(id=1211020293255066071, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293238288853, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3.上海汽轮机厂有限公司,上海 200240)]), AuthorCompany(id=1211020293313786329, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, xref=4., ext=[AuthorCompanyExt(id=1211020293322174938, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293313786329, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China), AuthorCompanyExt(id=1211020293326369243, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, companyId=1211020293313786329, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.西安交通大学能源与动力工程学院,陕西 西安 710049)])], figs=[ArticleFig(id=1211020296333685252, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.1, caption=
Meridian plane of the turbine flow passage (mm), figureFileSmall=Ggl1jBfP7+YdoplMlEIj5A==, figureFileBig=f1PjjthQSW/+McLVyl3XNA==, tableContent=null), ArticleFig(id=1211020296388211205, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图1, caption=
通流部分纵剖面图(mm), figureFileSmall=Ggl1jBfP7+YdoplMlEIj5A==, figureFileBig=f1PjjthQSW/+McLVyl3XNA==, tableContent=null), ArticleFig(id=1211020296472097286, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.2, caption=
Blade profiles of different sections, figureFileSmall=fccOOlqLRjWhxZ83FIuQoQ==, figureFileBig=CWH+Qe9E+FZUGNutqivFJA==, tableContent=null), ArticleFig(id=1211020296526623239, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图2, caption=
不同截面叶型, figureFileSmall=fccOOlqLRjWhxZ83FIuQoQ==, figureFileBig=CWH+Qe9E+FZUGNutqivFJA==, tableContent=null), ArticleFig(id=1211020296593732104, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.3, caption=
Calculation mesh, figureFileSmall=CBViDrNwu4tvWnNqBYL93g==, figureFileBig=s+91C/Fr3CrIKmR5pXh9NQ==, tableContent=null), ArticleFig(id=1211020296656646665, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图3, caption=
计算网格, figureFileSmall=CBViDrNwu4tvWnNqBYL93g==, figureFileBig=s+91C/Fr3CrIKmR5pXh9NQ==, tableContent=null), ArticleFig(id=1211020296715366922, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.4, caption=
Relative velocity of rotor outlet at midspan section along the circumferential direction, figureFileSmall=6a8ZCcXGZsAXA1JNbrPUpQ==, figureFileBig=LjAWP427mHlZUsEpXikIMQ==, tableContent=null), ArticleFig(id=1211020296774087179, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图4, caption=
中截面处动叶出口相对速度沿周向变化, figureFileSmall=6a8ZCcXGZsAXA1JNbrPUpQ==, figureFileBig=LjAWP427mHlZUsEpXikIMQ==, tableContent=null), ArticleFig(id=1211020296849584652, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.5, caption=
Comparison of static pressure coefficient between numerical and experimental results, figureFileSmall=keL4Dl4ZGvQQHNFiOfMftw==, figureFileBig=h20x/HfqE7esHWU3eBrPzA==, tableContent=null), ArticleFig(id=1211020296908304909, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图5, caption=
叶片静压系数数值结果与实验结果对比, figureFileSmall=keL4Dl4ZGvQQHNFiOfMftw==, figureFileBig=h20x/HfqE7esHWU3eBrPzA==, tableContent=null), ArticleFig(id=1211020296967025166, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.6, caption=
Static pressure coefficient at 90% static blade height obtained by different numerical models, figureFileSmall=oCcxflvhIyD8Y93he8yEHA==, figureFileBig=w03mlXIvd6ZzPOuWpenOyQ==, tableContent=null), ArticleFig(id=1211020297017356815, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图6, caption=
90%叶高处静叶静压系数数值结果对比, figureFileSmall=oCcxflvhIyD8Y93he8yEHA==, figureFileBig=w03mlXIvd6ZzPOuWpenOyQ==, tableContent=null), ArticleFig(id=1211020297071882768, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.7, caption=
Variation of Mach number and reaction degree at outlet of the nozzle and rotor along the blade height, figureFileSmall=o0/Nhkf/1SLvlIg4K9f/7A==, figureFileBig=1KutJt+lylFpNmK8D4JPng==, tableContent=null), ArticleFig(id=1211020297122214417, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图7, caption=
动静叶出口处马赫数和反动度沿叶高变化, figureFileSmall=o0/Nhkf/1SLvlIg4K9f/7A==, figureFileBig=1KutJt+lylFpNmK8D4JPng==, tableContent=null), ArticleFig(id=1211020297180934674, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.8, caption=
Mach number and streamlines around the turbine seals, figureFileSmall=ruMsiXT4TfzGbI/3quqRxg==, figureFileBig=QxFILhkKKyQffK2aqXeyvQ==, tableContent=null), ArticleFig(id=1211020297239654931, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图8, caption=
密封附近马赫数和流线, figureFileSmall=ruMsiXT4TfzGbI/3quqRxg==, figureFileBig=QxFILhkKKyQffK2aqXeyvQ==, tableContent=null), ArticleFig(id=1211020297306763796, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.9, caption=
Dimensionless entropy generation rate per unit volume at the blade outlet, figureFileSmall=vuxOs50ITQP/mi5dN8EcGw==, figureFileBig=al3VhxA36M63eWhDhUOK8A==, tableContent=null), ArticleFig(id=1211020297373872661, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图9, caption=
叶片出口单位体积无量纲熵产率, figureFileSmall=vuxOs50ITQP/mi5dN8EcGw==, figureFileBig=al3VhxA36M63eWhDhUOK8A==, tableContent=null), ArticleFig(id=1211020297457758742, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.10, caption=
Accumulation of losses in the axial distance under different conditions, figureFileSmall=UpjT22VtIpB4SOhTdc7JcA==, figureFileBig=2m6unmBUvntn7JLb5tseqQ==, tableContent=null), ArticleFig(id=1211020297503896087, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图10, caption=
不同情况下损失沿轴向的积累, figureFileSmall=UpjT22VtIpB4SOhTdc7JcA==, figureFileBig=2m6unmBUvntn7JLb5tseqQ==, tableContent=null), ArticleFig(id=1211020297562616344, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.11, caption=
Stator efficiency distribution along blade height, figureFileSmall=VldzVEodQg5hTJsOX3cPJQ==, figureFileBig=ZNZIJ3I2ftGxCkPTM710xw==, tableContent=null), ArticleFig(id=1211020297625530905, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图11, caption=
静叶效率沿叶高分布, figureFileSmall=VldzVEodQg5hTJsOX3cPJQ==, figureFileBig=ZNZIJ3I2ftGxCkPTM710xw==, tableContent=null), ArticleFig(id=1211020297680056858, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.12, caption=
Dimensionless entropy generation rate per unit volume at stator root section, figureFileSmall=5vEaQrKiTf29QEoMDJmOKA==, figureFileBig=rW0TDaLzrBQtDmgaAUYHRQ==, tableContent=null), ArticleFig(id=1211020297742971419, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图12, caption=
静叶叶根截面单位体积无量纲熵产率, figureFileSmall=5vEaQrKiTf29QEoMDJmOKA==, figureFileBig=rW0TDaLzrBQtDmgaAUYHRQ==, tableContent=null), ArticleFig(id=1211020297805885980, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.13, caption=
Dimensionless entropy generation rate per unit volume and streamlines in stator passage, figureFileSmall=ozmTXa755um/9DnalfngHw==, figureFileBig=EFMpZyTXfKhXi4kFt24ixQ==, tableContent=null), ArticleFig(id=1211020297860411933, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图13, caption=
静叶通道内单位体积无量纲熵产率及流线, figureFileSmall=ozmTXa755um/9DnalfngHw==, figureFileBig=EFMpZyTXfKhXi4kFt24ixQ==, tableContent=null), ArticleFig(id=1211020297919132190, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.14, caption=
Accumulation of losses in axial distance, figureFileSmall=NFwbq3WibZNUMWo9MzeYSQ==, figureFileBig=dQPwJJAmG1LDVFA3UEBMBw==, tableContent=null), ArticleFig(id=1211020297977852447, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图14, caption=
损失沿轴向积累, figureFileSmall=NFwbq3WibZNUMWo9MzeYSQ==, figureFileBig=dQPwJJAmG1LDVFA3UEBMBw==, tableContent=null), ArticleFig(id=1211020298036572704, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.15, caption=
Dimensionless entropy generation rate per unit volume at rotor root section, figureFileSmall=cc+E0oTy7B8KICRepiOPOw==, figureFileBig=Pg1YGwMEfolJblbz7t2ApA==, tableContent=null), ArticleFig(id=1211020298107875873, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图15, caption=
动叶叶根截面单位体积无量纲熵产率, figureFileSmall=cc+E0oTy7B8KICRepiOPOw==, figureFileBig=Pg1YGwMEfolJblbz7t2ApA==, tableContent=null), ArticleFig(id=1211020298166596130, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.16, caption=
Dimensionless entropy generation rate per unit volume at rotor tip section, figureFileSmall=Hac+JDVdvXuMjfyAQuHRpA==, figureFileBig=oVzLh9KzZv0Rok3AXBkb3Q==, tableContent=null), ArticleFig(id=1211020298221122083, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图16, caption=
动叶叶顶截面单位体积无量纲熵产率, figureFileSmall=Hac+JDVdvXuMjfyAQuHRpA==, figureFileBig=oVzLh9KzZv0Rok3AXBkb3Q==, tableContent=null), ArticleFig(id=1211020298275648036, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.17, caption=
Dimensionless entropy generation rate per unit volume near the leading edge of rotor, figureFileSmall=6hkyf+JoPjg8bSIaNLk0MQ==, figureFileBig=808TZUPd59uZZjqhBESbuA==, tableContent=null), ArticleFig(id=1211020298330173989, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图17, caption=
动叶前缘附近单位体积无量纲熵产率, figureFileSmall=6hkyf+JoPjg8bSIaNLk0MQ==, figureFileBig=808TZUPd59uZZjqhBESbuA==, tableContent=null), ArticleFig(id=1211020298397282854, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Fig.18, caption=
Dimensionless entropy generation rate per unit volume and streamlines in the rotor passage, figureFileSmall=NFao8yJt9LF7SZp9yAnm+g==, figureFileBig=hAP7fTokroUjxMlm+/YmKA==, tableContent=null), ArticleFig(id=1211020299584270887, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=图18, caption=
动叶通道内单位体积无量纲熵产率及流线, figureFileSmall=NFao8yJt9LF7SZp9yAnm+g==, figureFileBig=hAP7fTokroUjxMlm+/YmKA==, tableContent=null), ArticleFig(id=1211020299651379752, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Tab.1, caption=
Geometric parameters of the blade
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 数值 |
|---|
| 静叶 | 叶高l1/mm | 54.60 |
| 平均弦长bm1/mm | 26.37 |
| 展弦比xAR1 | 2.07 |
| 叶片数 | 64 |
| 动叶 | 叶高l2/mm | 60.06 |
| 平均弦长bm2/mm | 34.66 |
| 展弦比xAR2 | 1.73 |
| 叶片数 | 50 |
), ArticleFig(id=1211020299714294313, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=表1, caption=
叶片几何参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 数值 |
|---|
| 静叶 | 叶高l1/mm | 54.60 |
| 平均弦长bm1/mm | 26.37 |
| 展弦比xAR1 | 2.07 |
| 叶片数 | 64 |
| 动叶 | 叶高l2/mm | 60.06 |
| 平均弦长bm2/mm | 34.66 |
| 展弦比xAR2 | 1.73 |
| 叶片数 | 50 |
), ArticleFig(id=1211020299768820266, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Tab.2, caption=
Boundary conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 数值 |
|---|
| 工质 | CO2 |
| 进口总温Tt0/K | 816.94 |
| 进口总压pt0/MPa | 10.430 |
| 出口静压p2/MPa | 8.676 |
| 转速n/(r·min–1) | 7 100 |
), ArticleFig(id=1211020299827540523, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=表2, caption=
边界条件
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 数值 |
|---|
| 工质 | CO2 |
| 进口总温Tt0/K | 816.94 |
| 进口总压pt0/MPa | 10.430 |
| 出口静压p2/MPa | 8.676 |
| 转速n/(r·min–1) | 7 100 |
), ArticleFig(id=1211020299898843692, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Tab.3, caption=
Maximum error of relative velocity at outlet under different grid conditions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 误差 | 最大值/% |
|---|
| 网格2→网格1 | 网格3→网格2 |
|---|
| 近似相对误差ea | 1.53 | 0.62 |
| 外推相对误差eext | 1.38 | 0.56 |
| 密网格收敛指数GCIext | 1.50 | 0.60 |
), ArticleFig(id=1211020299970146861, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=表3, caption=
不同网格的出口相对速度最大误差
, figureFileSmall=null, figureFileBig=null, tableContent=
| 误差 | 最大值/% |
|---|
| 网格2→网格1 | 网格3→网格2 |
|---|
| 近似相对误差ea | 1.53 | 0.62 |
| 外推相对误差eext | 1.38 | 0.56 |
| 密网格收敛指数GCIext | 1.50 | 0.60 |
), ArticleFig(id=1211020300028867118, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Tab.4, caption=
Overall losses of the turbine stage
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 占级可用能比例/% | 占级总损失比例/% |
|---|
| 泄漏损失 | 3.29 | 38.23 |
| 静叶损失 | 1.23 | 14.34 |
| 混合平面损失 | 0.25 | 2.87 |
| 动叶损失 | 3.84 | 44.56 |
| 总损失 | 8.61 | 100.00 |
), ArticleFig(id=1211020300095975983, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=表4, caption=
透平级的总体损失情况
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 占级可用能比例/% | 占级总损失比例/% |
|---|
| 泄漏损失 | 3.29 | 38.23 |
| 静叶损失 | 1.23 | 14.34 |
| 混合平面损失 | 0.25 | 2.87 |
| 动叶损失 | 3.84 | 44.56 |
| 总损失 | 8.61 | 100.00 |
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Part of parameters of the first and last stage
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| 项目 | 第1级 | 末级 |
|---|
| 静叶 | 动叶 | 静叶 | 动叶 |
|---|
| 负荷 | 1.57 | 0.93 |
| 展弦比 | 1.18 | 1.10 | 2.07 | 1.73 |
| 间隙相对叶高 | 0.021 | 0.018 | 0.012 | 0.010 |
| 叶片最大厚度比弦长 | 0.34 | 0.26 | 0.33 | 0.28 |
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第1级和末级部分参数对比
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| 项目 | 第1级 | 末级 |
|---|
| 静叶 | 动叶 | 静叶 | 动叶 |
|---|
| 负荷 | 1.57 | 0.93 |
| 展弦比 | 1.18 | 1.10 | 2.07 | 1.73 |
| 间隙相对叶高 | 0.021 | 0.018 | 0.012 | 0.010 |
| 叶片最大厚度比弦长 | 0.34 | 0.26 | 0.33 | 0.28 |
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Losses comparison between the first and last stage
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| 项目 | 占级可用能比例/% | 占级总损失比例/% |
|---|
| 第1级 | 末级 | 第1级 | 末级 |
|---|
| 泄漏损失 | 4.64 | 3.29 | 42.19 | 38.23 |
| 静叶损失 | 2.43 | 1.23 | 22.15 | 14.34 |
| 混合平面损失 | 0.21 | 0.25 | 1.89 | 2.87 |
| 动叶损失 | 3.71 | 3.84 | 33.76 | 44.56 |
| 总损失 | 10.98 | 8.61 | 100.00 | 100.00 |
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第1级和末级各项损失对比
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| 项目 | 占级可用能比例/% | 占级总损失比例/% |
|---|
| 第1级 | 末级 | 第1级 | 末级 |
|---|
| 泄漏损失 | 4.64 | 3.29 | 42.19 | 38.23 |
| 静叶损失 | 2.43 | 1.23 | 22.15 | 14.34 |
| 混合平面损失 | 0.21 | 0.25 | 1.89 | 2.87 |
| 动叶损失 | 3.71 | 3.84 | 33.76 | 44.56 |
| 总损失 | 10.98 | 8.61 | 100.00 | 100.00 |
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Leakage losses in the turbine stages
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| 项目 | 占级可用能比例 | 占泄漏损失比例 | 占级总损失比例 |
|---|
| 隔板密封 | 1.89 | 57.39 | 21.94 |
| 叶顶密封 | 1.40 | 42.61 | 16.29 |
| 总泄漏损失 | 3.29 | 100.00 | 38.23 |
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透平级内的泄漏损失 单位:%
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| 项目 | 占级可用能比例 | 占泄漏损失比例 | 占级总损失比例 |
|---|
| 隔板密封 | 1.89 | 57.39 | 21.94 |
| 叶顶密封 | 1.40 | 42.61 | 16.29 |
| 总泄漏损失 | 3.29 | 100.00 | 38.23 |
), ArticleFig(id=1211020300582515254, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Tab.8, caption=
Each loss in stator passage
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 占级可用能比例 | 占静叶损失比例 | 占级总损失比例 |
|---|
| 端壁损失 | 0.15 | 12.50 | 1.79 |
| 型面损失 | 0.83 | 67.50 | 9.68 |
| 尾迹损失 | 0.25 | 20.00 | 2.87 |
| 静叶总损失 | 1.23 | 100.00 | 14.34 |
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静叶栅通道内的各项损失 单位:%
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 占级可用能比例 | 占静叶损失比例 | 占级总损失比例 |
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| 端壁损失 | 0.15 | 12.50 | 1.79 |
| 型面损失 | 0.83 | 67.50 | 9.68 |
| 尾迹损失 | 0.25 | 20.00 | 2.87 |
| 静叶总损失 | 1.23 | 100.00 | 14.34 |
), ArticleFig(id=1211020300725121592, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=EN, label=Tab.9, caption=
Details of losses in rotor passage
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| 项目 | 占级可用能比例 | 占动叶损失比例 | 占级总损失比例 |
|---|
| 端壁损失 | 1.27 | 33.07 | 14.73 |
| 型面损失 | 1.32 | 34.55 | 15.39 |
| 尾迹损失 | 1.24 | 32.38 | 14.43 |
), ArticleFig(id=1211020300788036153, tenantId=1146029695717560320, journalId=1210938733613449225, articleId=1211002413138440835, language=CN, label=表9, caption=
动叶栅通道内的各项损失 单位:%
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| 项目 | 占级可用能比例 | 占动叶损失比例 | 占级总损失比例 |
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| 端壁损失 | 1.27 | 33.07 | 14.73 |
| 型面损失 | 1.32 | 34.55 | 15.39 |
| 尾迹损失 | 1.24 | 32.38 | 14.43 |
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