Article(id=1311351262172509146, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2026.20250402, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741190400000, receivedDateStr=2025-03-06, revisedDate=1744819200000, revisedDateStr=2025-04-17, acceptedDate=1745769600000, acceptedDateStr=2025-04-28, onlineDate=1790580104629, onlineDateStr=2026-09-28, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790580104629, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790580104629, creator=13701087609, updateTime=1790580104629, updator=13701087609, issue=Issue{id=1311351152067830064, tenantId=1146029695717560320, journalId=1205116964453384197, year='2026', volume='44', issue='1', pageStart='1', pageEnd='246', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790580078378, creator='13701087609', updateTime=1790588459421, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386304772927717, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386304772927718, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=143, endPage=146, ext={EN=ArticleExt(id=1311351262340281307, articleId=1311351262172509146, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Research on Self-aeration of Stepped Spillways with Uniform and Non-uniform Step Lengths, columnId=null, journalTitle=Water Resources and Power, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Computational fluid dynamics (CFD) method was used to numerically simulate the two-phase flow on stepped spillways to investigate the initiation mechanism of self-aeration in stepped spillways and clarify the impact of step length on the self-aeration characteristics of stepped spillways with non-uniform step lengths, including concave, convex, random, and semi-uniform step length configurations. Compared with the traditional uniform steps scheme, the results show that both concave and convex configurations prove unsuitable for rapid initiation of self-aeration, leading to a 6.4% and 7.0% posterior shift in the aeration inception points. Although random step configuration promotes the development of turbulent boundary layers to some extent, the inherent uncertainty in their step length arrangements induces excessive surface fluctuations. The semi-uniform step scheme can significantly move forward the position of the initial aeration point (by 18.8%) while ensuring a relatively stable flow state, which has a broader application prospect.

, authors=Ying-hao WU1, 2, Yu-shang HUANG1, 2, Meng-meng SUN1, 2, authorsList=Ying-hao WU, Yu-shang HUANG, Meng-meng SUN, authorCompany=null, correspAuthors=Meng-meng SUN, 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=1311351262671631324, articleId=1311351262172509146, tenantId=1146029695717560320, journalId=1205116964453384197, language=CN, title=均匀及不均匀步长台阶式溢洪道水流自掺气研究, columnId=1207271181661589640, journalTitle=水电能源科学, columnName=水利枢纽、水利建筑物, runingTitle=null, highlight=null, articleAbstract=

为研究台阶式溢洪道水流自掺气的发生机理及明确步长的不均匀布置对水流自掺气的影响,采用计算流体力学的方法对台阶式溢洪道上的水汽二相流进行数值模拟,包括凹形、凸形、随机形和半均匀形台阶方案。结果表明,相较于传统均匀台阶方案,凹形、凸形台阶方案不适宜水流自掺气的快速发生,初始掺气点位置分别后延6.4%、7.0%;随机形台阶方案虽能促进湍流边界层发展,但其随机步长分布的不确定性会引发显著水面波动;半均匀形台阶方案在保证流态相对稳定的前提下,能大幅前移初始掺气点的位置(前移18.8%),具有更广阔的应用前景。

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武英豪(1997-),男,硕士、工程师,研究方向为水工水力学,E-mail:

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孙梦梦(1989-),男,高级工程师,研究方向为水利规划,E-mail:
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武英豪(1997-),男,硕士、工程师,研究方向为水工水力学,E-mail:

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武英豪(1997-),男,硕士、工程师,研究方向为水工水力学,E-mail:

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均匀及不均匀步长台阶式溢洪道水流自掺气研究
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武英豪 1, 2 , 黄玉上 1, 2 , 孙梦梦 1, 2
水电能源科学 | 水利枢纽、水利建筑物 2026,44(1): 143-146
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水电能源科学 |水利枢纽、水利建筑物 2026 , 44 (1) : 143 -146
均匀及不均匀步长台阶式溢洪道水流自掺气研究
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武英豪1, 2 , 黄玉上1, 2, 孙梦梦1, 2
作者信息
  • 1.黄河勘测规划设计研究院有限公司,河南 郑州 450003
  • 2.水利部黄河流域水治理与水安全重点实验室(筹),河南 郑州 450003
通讯作者:
孙梦梦(1989-),男,高级工程师,研究方向为水利规划,E-mail:
作者简介:

武英豪(1997-),男,硕士、工程师,研究方向为水工水力学,E-mail:

Research on Self-aeration of Stepped Spillways with Uniform and Non-uniform Step Lengths
Ying-hao WU1, 2 , Yu-shang HUANG1, 2, Meng-meng SUN1, 2
Affiliations
  • 1.Yellow River Engineering Consulting Co., Ltd., Zhengzhou 450003, China
  • 2.Key Laboratory of Water Management and Water Security for Yellow River Basin, Ministry of Water Resources (Under Construction), Zhengzhou 450003, China
出版时间: 2026-01-25 doi: 10.20040/j.cnki.1000-7709.2026.20250402
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为研究台阶式溢洪道水流自掺气的发生机理及明确步长的不均匀布置对水流自掺气的影响,采用计算流体力学的方法对台阶式溢洪道上的水汽二相流进行数值模拟,包括凹形、凸形、随机形和半均匀形台阶方案。结果表明,相较于传统均匀台阶方案,凹形、凸形台阶方案不适宜水流自掺气的快速发生,初始掺气点位置分别后延6.4%、7.0%;随机形台阶方案虽能促进湍流边界层发展,但其随机步长分布的不确定性会引发显著水面波动;半均匀形台阶方案在保证流态相对稳定的前提下,能大幅前移初始掺气点的位置(前移18.8%),具有更广阔的应用前景。

台阶式溢洪道  /  不均匀步长  /  水流自掺气  /  数值模拟

Computational fluid dynamics (CFD) method was used to numerically simulate the two-phase flow on stepped spillways to investigate the initiation mechanism of self-aeration in stepped spillways and clarify the impact of step length on the self-aeration characteristics of stepped spillways with non-uniform step lengths, including concave, convex, random, and semi-uniform step length configurations. Compared with the traditional uniform steps scheme, the results show that both concave and convex configurations prove unsuitable for rapid initiation of self-aeration, leading to a 6.4% and 7.0% posterior shift in the aeration inception points. Although random step configuration promotes the development of turbulent boundary layers to some extent, the inherent uncertainty in their step length arrangements induces excessive surface fluctuations. The semi-uniform step scheme can significantly move forward the position of the initial aeration point (by 18.8%) while ensuring a relatively stable flow state, which has a broader application prospect.

stepped spillway  /  non-uniform step length  /  self-aeration  /  numerical simulation
武英豪, 黄玉上, 孙梦梦. 均匀及不均匀步长台阶式溢洪道水流自掺气研究. 水电能源科学, 2026 , 44 (1) : 143 -146 . DOI: 10.20040/j.cnki.1000-7709.2026.20250402
Ying-hao WU, Yu-shang HUANG, Meng-meng SUN. Research on Self-aeration of Stepped Spillways with Uniform and Non-uniform Step Lengths[J]. Water Resources and Power, 2026 , 44 (1) : 143 -146 . DOI: 10.20040/j.cnki.1000-7709.2026.20250402

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doi: 10.20040/j.cnki.1000-7709.2026.20250402
  • 接收时间:2025-03-06
  • 首发时间:2026-09-28
  • 出版时间:2026-01-25
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  • 收稿日期:2025-03-06
  • 修回日期:2025-04-17
  • 录用日期:2025-04-28
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    1.黄河勘测规划设计研究院有限公司,河南 郑州 450003
    2.水利部黄河流域水治理与水安全重点实验室(筹),河南 郑州 450003

通讯作者:

孙梦梦(1989-),男,高级工程师,研究方向为水利规划,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2026.20250402
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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