Article(id=1311351186280775726, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1311351152067830064, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2026.20250135, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1737129600000, receivedDateStr=2025-01-18, revisedDate=1741708800000, revisedDateStr=2025-03-12, acceptedDate=1742400000000, acceptedDateStr=2025-03-20, onlineDate=1790580086535, onlineDateStr=2026-09-28, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790580086535, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790580086535, creator=13701087609, updateTime=1790580086535, 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=67, endPage=72, ext={EN=ArticleExt(id=1311351186435964975, articleId=1311351186280775726, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Numerical Study on Flow Characteristics of Multiple Momentum Jets at the Bottom of Vegetated River Channels, columnId=null, journalTitle=Water Resources and Power, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To investigate the impact of vegetation on the motion characteristics of porous jet flow, the Realizable κ-ε turbulence model was adopted to analyze the influence laws of the jet-cross-flow velocity ratio and jet spacing on the motion characteristics of the momentum jets arranged in series in vegetated river channels from the aspects of flow velocity distribution, vortex morphology and jet trajectory, respectively. The results show that vegetation inhibits the horizontal expansion of the jets and promotes their vertical spread. At low jet-to-crossflow velocity ratios, the front jet suppresses the vertical diffusion of the rear jet, while at high jet-to-crossflow velocity ratios, the shading effect of the front jet on the rear jet is significant, allowing the rear jet to diffuse to higher positions. This study can provide theoretical guidance for the design and optimization of wastewater discharge in vegetated channels.

, authors=Xu WANG1, Chun-hua XIA2a, Zong-jiang ZHANG2a, Ai-jun GU3, Rui-chang HU2a, 2b, authorsList=Xu WANG, Chun-hua XIA, Zong-jiang ZHANG, Ai-jun GU, Rui-chang HU, authorCompany=null, correspAuthors=Rui-chang HU, 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=1311351188340178992, articleId=1311351186280775726, tenantId=1146029695717560320, journalId=1205116964453384197, language=CN, title=植被化河道底部多孔动量射流运动特性数值研究, columnId=1207627662852461193, journalTitle=水电能源科学, columnName=水力学, runingTitle=null, highlight=null, articleAbstract=

为探究植被对多孔射流运动特性的影响,采用Realizable κ-ε湍流模型,分别从流速分布、旋涡形态及射流轨迹等方面分析了射流—横流流速比和射流间距对植被化河道中串联排列多孔动量射流运动特性的影响规律。结果表明,植被抑制射流的展向扩展并促进垂向扩展;低流速比时前侧射流抑制后侧射流的垂向扩散,高流速比时前侧射流对后侧射流的遮挡效应明显使得后侧射流能够扩散至更高的位置。研究结果可为植被化河道中污水排放设计与优化提供理论依据。

, authors=汪旭1, 夏春华2a, 张宗江2a, 顾爱军3, 胡瑞昌2a, 2b, authorsList=汪旭, 夏春华, 张宗江, 顾爱军, 胡瑞昌, authorCompany=null, correspAuthors=胡瑞昌, authorNote=

汪旭(1988-),男,硕士、高级工程师,研究方向为河道水力学,E-mail:

, correspAuthorsNote=
胡瑞昌(1991-),男,博士、助理研究员,研究方向为河道水力学,E-mail:
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汪旭(1988-),男,硕士、高级工程师,研究方向为河道水力学,E-mail:

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汪旭(1988-),男,硕士、高级工程师,研究方向为河道水力学,E-mail:

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植被化河道底部多孔动量射流运动特性数值研究
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汪旭 1 , 夏春华 2a , 张宗江 2a , 顾爱军 3 , 胡瑞昌 2a, 2b
水电能源科学 | 水力学 2026,44(1): 67-72
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水电能源科学 |水力学 2026 , 44 (1) : 67 -72
植被化河道底部多孔动量射流运动特性数值研究
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汪旭1 , 夏春华2a, 张宗江2a, 顾爱军3, 胡瑞昌2a, 2b
作者信息
  • 1.北京中水利德科技发展有限公司,北京 100070
  • 2a.重庆交通大学 河海学院,重庆 400074
  • 2b.重庆交通大学 西南水利水运工程科学研究院,重庆 400074
  • 3.绥阳县水利工程运行服务中心,贵州 遵义 563300
通讯作者:
胡瑞昌(1991-),男,博士、助理研究员,研究方向为河道水力学,E-mail:
作者简介:

汪旭(1988-),男,硕士、高级工程师,研究方向为河道水力学,E-mail:

Numerical Study on Flow Characteristics of Multiple Momentum Jets at the Bottom of Vegetated River Channels
Xu WANG1 , Chun-hua XIA2a, Zong-jiang ZHANG2a, Ai-jun GU3, Rui-chang HU2a, 2b
Affiliations
  • 1.Beijing Zhongshui Lide Technology Development Co., Ltd., Beijing 100070, China
  • 2a.School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
  • 2b.Southwest Water Transport Research Institute, Chongqing Jiaotong University, Chongqing 400074, China
  • 3.Suiyang County Water Conservancy Engineering Operation Service Center, Zunyi 563300, China
出版时间: 2026-01-25 doi: 10.20040/j.cnki.1000-7709.2026.20250135
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为探究植被对多孔射流运动特性的影响,采用Realizable κ-ε湍流模型,分别从流速分布、旋涡形态及射流轨迹等方面分析了射流—横流流速比和射流间距对植被化河道中串联排列多孔动量射流运动特性的影响规律。结果表明,植被抑制射流的展向扩展并促进垂向扩展;低流速比时前侧射流抑制后侧射流的垂向扩散,高流速比时前侧射流对后侧射流的遮挡效应明显使得后侧射流能够扩散至更高的位置。研究结果可为植被化河道中污水排放设计与优化提供理论依据。

植被化河道  /  多孔射流  /  流速分布  /  漩涡场  /  射流轨迹

To investigate the impact of vegetation on the motion characteristics of porous jet flow, the Realizable κ-ε turbulence model was adopted to analyze the influence laws of the jet-cross-flow velocity ratio and jet spacing on the motion characteristics of the momentum jets arranged in series in vegetated river channels from the aspects of flow velocity distribution, vortex morphology and jet trajectory, respectively. The results show that vegetation inhibits the horizontal expansion of the jets and promotes their vertical spread. At low jet-to-crossflow velocity ratios, the front jet suppresses the vertical diffusion of the rear jet, while at high jet-to-crossflow velocity ratios, the shading effect of the front jet on the rear jet is significant, allowing the rear jet to diffuse to higher positions. This study can provide theoretical guidance for the design and optimization of wastewater discharge in vegetated channels.

vegetated channel  /  multiple jets  /  velocity distribution  /  vortex field  /  jet trajectory
汪旭, 夏春华, 张宗江, 顾爱军, 胡瑞昌. 植被化河道底部多孔动量射流运动特性数值研究. 水电能源科学, 2026 , 44 (1) : 67 -72 . DOI: 10.20040/j.cnki.1000-7709.2026.20250135
Xu WANG, Chun-hua XIA, Zong-jiang ZHANG, Ai-jun GU, Rui-chang HU. Numerical Study on Flow Characteristics of Multiple Momentum Jets at the Bottom of Vegetated River Channels[J]. Water Resources and Power, 2026 , 44 (1) : 67 -72 . DOI: 10.20040/j.cnki.1000-7709.2026.20250135
  • 重庆市教育委员会科学技术研究项目(KJQN202400705)
  • 重庆市自然科学基金面上项目(CSTB2024NSCQ-MSX0824)
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doi: 10.20040/j.cnki.1000-7709.2026.20250135
  • 接收时间:2025-01-18
  • 首发时间:2026-09-28
  • 出版时间:2026-01-25
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  • 收稿日期:2025-01-18
  • 修回日期:2025-03-12
  • 录用日期:2025-03-20
基金
重庆市教育委员会科学技术研究项目(KJQN202400705)
重庆市自然科学基金面上项目(CSTB2024NSCQ-MSX0824)
作者信息
    1.北京中水利德科技发展有限公司,北京 100070
    2a.重庆交通大学 河海学院,重庆 400074
    2b.重庆交通大学 西南水利水运工程科学研究院,重庆 400074
    3.绥阳县水利工程运行服务中心,贵州 遵义 563300

通讯作者:

胡瑞昌(1991-),男,博士、助理研究员,研究方向为河道水力学,E-mail:
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https://castjournals.cast.org.cn/joweb/sdnykx/CN/10.20040/j.cnki.1000-7709.2026.20250135
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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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