1. 重庆交通大学水利水运工程教育部重点实验室
2. 重庆交通大学国家内河航道整治工程技术研究中心
纸质出版:2024
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阎鑫铭, 钟亮, 李国际. 非均匀散粒粗糙床面明渠水流流速结构PIV试验研究[J]. 水电能源科学, 2024,(7):57-61.
阎鑫铭, 钟亮, 李国际. 非均匀散粒粗糙床面明渠水流流速结构PIV试验研究[J]. 2024, (7): 57-61.
阎鑫铭, 钟亮, 李国际. 非均匀散粒粗糙床面明渠水流流速结构PIV试验研究[J]. 水电能源科学, 2024,(7):57-61. DOI: 10.20040/j.cnki.1000-7709.2024.20231490.
阎鑫铭, 钟亮, 李国际. 非均匀散粒粗糙床面明渠水流流速结构PIV试验研究[J]. 2024, (7): 57-61. DOI: 10.20040/j.cnki.1000-7709.2024.20231490.
鉴于床面非均匀散粒粗糙直接影响明渠水流的流速结构问题,基于PIV水槽试验,研究了非均匀散粒粗糙床面明渠水流的流速结构,探讨了水流时均流速沿流向和沿垂线的分布规律,分析了脉动流速的象限分布特征。结果表明,梅花形排列的大尺度非均匀散粒粗糙显著影响了颗粒顶部以下的水流结构,大、小颗粒周围时均流速结构相似,颗粒大小明显影响了流动分离区形状尺度和内外层流体分界点位置;象限分析显示外层流体中,大颗粒使其上方区域Q2、Q4事件的概率减小;内层流体中Q1、Q3事件占主导,颗粒上游及大颗粒附近相比下游及小颗粒附近更易产生强紊流事件。
张建梅,钟亮,刘珺洁.密排粗糙床面明渠水流的流速结构[J].水电能源科学,2018(10).
Thappeta Suresh Kumar,Fiener Peter,Chandra Venu.Experimental Study on Head Loss Due to Cluster of Randomly Distributed Non-Uniform Roughness Elements in Supercritical Flow[J].Water,2022.
Golpira Amir,Baki Abul B. M.,Zhu David Z..Turbulent Events around an Intermediately Submerged Boulder under Wake Interference Flow Regime[J].Journal of Hydraulic Engineering,2021.
Jing Li,S. Samuel Li.Near-bed velocity and shear stress of open-channel flow over surface roughness[J].Environmental Fluid Mechanics,2020.
A. N. (Thanos) Papanicolaou,Achilleas G. Tsakiris,Micah A. Wyssmann,Casey M. Kramer.Boulder Array Effects on Bedload Pulses and Depositional Patches[J].Journal of Geophysical Research: Earth Surface,2018.
H. W. Fang,Y. Liu,T. Stoesser.Influence of Boulder Concentration on Turbulence and Sediment Transport in Open‐Channel Flow Over Submerged Boulders[J].Journal of Geophysical Research: Earth Surface,2017.
Abul Basar M. Baki,Wenming Zhang,David Z. Zhu,Nallamuthu Rajaratnam.Flow Structures in the Vicinity of a Submerged Boulder within a Boulder Array[J].Journal of Hydraulic Engineering,2016.
BretónF.,BakiA.B.M.,LinkO.,ZhuD.Z.,RajaratnamN..Flow in nature-like fishway and its relation to fish behaviour[J].Canadian Journal of Civil Engineering,2013.
Athanasios N. Papanicolaou,Casey M. Kramer,Achilleas G. Tsakiris,Thorsten Stoesser,Sandeep Bomminayuni,Zhuo Chen.Effects of a fully submerged boulder within a boulder array on the mean and turbulent flow fields: Implications to bedload transport[J].Acta Geophysica,2012.
孙建云.有间距加糙床面明渠水流结构试验研究[D].重庆交通大学,2018(01).
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