正向和侧向汇流对多孔有压暗涵过流均衡性影响研究

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关键词：河渠交叉；暗涵；侧向汇流；流速分布；均衡性；导流桩阵

中图分类号：TV122 文献标志码：A

doi：10.3969/j.issn.1000-1379.2026.01.008

Research on the Influence of Direct and Lateral Inflow on the Flow Equilibrium in a Multi-Cell Pressurized Culvert

HU Jingyu，LIU Mingxiao，NIU Ling，MENG Ben，XU Mengxin （1.Henan Branchof China South-to-North Water Diversion Midle RouteCorporation Limited，Zhengzhou 450o16，China; 2.Research Center forPort Chanel andOcean Development，North China Universityof Water Resources andElectric Power， Zhengzhou 450046，China；3.Wuhan University，Wuhan 430072，China）

Abstract：TherearemanydrainageprojectsonthleftbankofthemidleroutechaeloftheSouthto-Noth WaterDiversionProject，and theinflowcondtionsofdrainageculvertareverycomplex.Inrecentyars，thecontinuousheavyrainandfloodsinHenanandHebeimade thedraifloodssafetyofteleftbankveyserious.Aleftbankdainageculvertadacenttotersevoirspillyastakenaseaple whichwithlateralitealfuene.Fotticalokigonditoofspllydsagndraliiopodtodyte hdrodynamiccharacteristicsofpresureurentandqulibuofachclertBystablishingthemathematicalodelofteintesection area + dark culvert hydrodynamics based on the RNG k ε model，a numerical simulation study of upstream flood and different lateral confluenceratioisoductedefloate，foweloityistributioaratioinurblentiecendfohacteisiofl iedculvertareanalyzedhichlsocomparedwithtephysicalmodeltestresults.Thesimulationresultsshowthattehdrodamicis graduallsifsoigtstoueasaeefttdghtsidis.，sooib umandcapaciyofteulvertarebviouslydisturbd.Tediversionpileacafectielyiibittelefteu，ndthblaefach culvertflow has been significantly improved.Themaximum deviationof the leftandrightinhomogeneityisdecreased by 27.8% with pile array，and local turbulent kinetic energy is decreased by 44% . It can improve the culvert overflow ability effectively.

Key words：river channel crossing；buried culvert；lateralflow；velocity distribution；equilibrium；diversion pilearray

0 引言

明渠水流交汇现象广泛存在于天然河道汇流及各种人工渠道的输水过程中[1]。（剩余9278字）