Hydrodynamic characteristics and particle tracking of 90° lateral intakes at an inclined river slope
作者机构：College of Water Conservancy and Hydropower EngineeringHohai UniversityNanjing 210098China State Key Laboratory of Hydrology Water Resources and Hydraulic EngineeringHohai UniversityNanjing 210098China Collaborative Innovation Center on Water Safety and Water ScienceHohai UniversityNanjing 210098China
出 版 物：《Water Science and Engineering》 (水科学与水工程（英文版）)
年 卷 期：2024年第17卷第2期
页 面：197-208页
核心收录：
学科分类：08[工学] 0824[工学-船舶与海洋工程]
基 金：supported by the National Natural Science Foundation of China(Grant No.52379061) the Natural Science Foundation of Jiangsu Province(Grant No.BK20230099) the Key Laboratory of Water Grid Project and Regulation of Ministry of Water Resources(Grant No.QTKS0034W23292)
主 题：Lateral withdrawal Hydrodynamic characteristics Particle tracking Inclined river slope Bottom elevation of intake OpenFOAM
摘 要：Lateral intakes are common in *** pump effciency and sediment deposition are determined by the local hydrodynamic characteristics and mainstream division *** hydraulic characteristics of lateral withdrawal from inclined river slopes at different intake elevations should be ***,the division width exhibits significant vertical non-uniformity at an inclined river slope,which should be ***,a three-dimensional(3-D)hydrodynamic and particle-tracking model was developed with the Open Source Field Operation and Manipulation(Open FOAM),and the model was validated with physical model tests for 90°lateral withdrawal from an inclined side *** flow fields,withdrawal sources,and division widths were investigated with different intake bottom elevations,withdrawal discharges,and main channel *** 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 *** average division width and turbulent kinetic energy were smaller under inclined side bank conditions than under vertical bank *** 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 *** inclined slope conditions,sediment deposition near the intake entrance could be reduced,compared to that under vertical slope *** results provide hydrodynamic and sediment references for engineering designs for natural rivers with inclined terrains.
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