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水科学与水工程
河海大学
水科学与水工程

河海大学

吴中如， Vijay P. SINGH

季刊

1674-2370

wse@hhu.edu.cn

025-83786363

210098

江苏南京西康路1号河海大学

水科学与水工程/Journal Water Science and EngineeringCSCDCSTPCD北大核心EI
查看更多>>Water Science and Engineering于2008年创刊，以水科学研究与水工程建设为论述主题，主要刊登水科学研究、水工程建设、水资源保护、水生态修复等方面用英文撰写的原创性研究(技术)论文，着重报道关于地球水圈研究的新事实、新概念、新理论、新方法；反映在暴雨、洪水、干旱、水资源、水环境等领域中的最新科技成果和发展趋势；交流在江河治理、跨流域调水、水电能源、生态修复等水工程建设中的新技术和新经验以及国内外相关学术会议及技术交流等动态信息。WSE杂志的主要读者对象是与此有关的研究人员、工程师及高校师生。
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    Hydrodynamic characteristics and particle tracking of 90° lateral intakes at an inclined river slope

    Wei HeSi-yuan FengJian ZhangHong-wu Tang...
    197-208页
    查看更多>>摘要：Lateral intakes are common in rivers.The pump efficiency and sediment deposition are determined by the local hydrodynamic characteristics and mainstream division width.The hydraulic characteristics of lateral withdrawal from inclined river slopes at different intake elevations should be investigated.Meanwhile,the division width exhibits significant vertical non-uniformity at an inclined river slope,which should be clarified.Hence,a three-dimensional(3-D)hydrodynamic and particle-tracking model was developed with the Open Source Field Operation and Manipulation(OpenFOAM),and the model was validated with physical model tests for 90° lateral withdrawal from an inclined side bank.The flow fields,withdrawal sources,and division widths were investigated with different intake bottom elevations,withdrawal discharges,and main channel velocities.This study showed that under inclined side bank conditions,water entered the intake at an oblique angle,causing significant 3-D spiral flows in the intake rather than two-dimensional closed recirculation.A lower withdrawal discharge,a lower bottom elevation of the intake,or a higher main channel velocity could further strengthen this phenomenon.The average division width and turbulent kinetic energy were smaller under inclined side bank conditions than under vertical bank conditions.With a low intake bottom elevation,a low withdrawal discharge,or a high main channel velocity,the sources of lateral withdrawal were in similar ranges near the local inclined bank in the vertical direction.Under inclined slope conditions,sediment deposition near the intake entrance could be reduced,compared to that under vertical slope conditions.The results provide hydrodynamic and sediment references for engineering designs for natural rivers with inclined terrains.
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    • 维普

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      原文链接:
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    • 维普