SCOUR

作品数：194被引量：404H指数：11
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Numerical and analytical models for prediction of the local scour under pipelines
《Journal of Hydrodynamics》2024年第6期1130-1141,共12页Andrey Epikhin Igor Potapov Aleksandr Petrov Aleksandr Kukharskii 
supported by the Russian Science Foundation(Grant No.23-71-10091).
This paper considers local scour around a pipeline under turbulent flow.The Navier-Stokes equations are solved with a shear stress turbulence model.The original bed deformation equation based on an analytical sediment...
关键词：Pipelines numerical simulation sediment transport SCOUR HYDRODYNAMICS self-similar behavior OPENFOAM 
Experimental Study on Engineering Behavior of Solidified Soil for Scour Repair and Protection
《China Ocean Engineering》2024年第4期625-635,共11页WU Xiao-ni LI Ru-yu SHU Jian TANG Chao CHEN Jin-jian WANG Hui-li JIANG Hai-li WANG Xiao 
financially supported by the Science and Technology Commission Foundation of Shanghai(Grant Nos.22DZ1208903,20DZ2251900);the National Natural Science Foundation of China(Grant No.51679134)。
A new scour countermeasure using solidified slurry for offshore foundation has been proposed recently.Fluidized solidified slurry is pumped to seabed area around foundation for scour protection or pumped into the deve...
关键词：scour repair and protection solidified soil PUMPABILITY STRENGTH flow properties anti-scour performance 
Reducing bed scour in meandering channel bends using spur dikes
《International Journal of Sediment Research》2024年第2期243-256,共14页Zeeshan Akbar Ghufran Ahmed Pasha Norio Tanaka Usman Ghani Hossein Hamidifar 
A river's planform pattern changes due to erosion of banks and the bed near the outer bend.The primary cause of these planform changes is the formation of helical flow patterns in response to centrifugal forces.Uncont...
关键词：Meandering channel Spur dike POROSITY SINUOSITY Location of spur dike River planform changes 
Experimental study on hydro-suction removal of cohesionless bed material
《International Journal of Sediment Research》2024年第2期291-304,共14页Akash Jaiswal Zulfequar Ahmad Surendra Kumar Mishra 
The current study deals with experiments on hydro-suction removal of cohesionless bed material from reservoirs.The primary focus lies in scrutinizing the scour profile and the volume of bed material removed through hy...
关键词：Cohesionless sediment Hydro-suction Parametric analysis Sediment removal Scour profile 
Numerical Analysis of the Influence of the Impinging Distance on the Scouring Efficiency of Submerged Jets
《Fluid Dynamics & Materials Processing》2024年第2期429-445,共17页Hao Chen Xianbin Teng Zhibin Zhang Faxin Zhu Jie Wang Zhaohao Zhang 
supported by the Research on the Prediction Mechanism of Corrosion for High Strength Steel in Deep Sea Service Driven by Multi-Scale,High-Dimension and Small-Sample Data(C2301002635);Research on the Influence of Nozzle Structure on the Scouring Effect of Submerged Water Jet(2023R411045);the Zhejiang Ocean University Outstanding Master’s Thesis Cultivation Project(ZJOUYJS20230018);the Scientific Research Project of Zhejiang Graduate Education Society in 2022(2022-021)which was gained by Chen.
Water jet technology is widely used in submerged buried pipes as a non-traditional trenching process,often invol-ving a complex sediment response.An important adjustable and influential engineering variable in this tec...
关键词：Submerged jet impinging distance numerical simulation scour depth scour profile 
Effects of the angle between the rock strata and slope on flow hydraulics and sediment yield in karst trough valley: Laboratory scour experiment
《International Journal of Sediment Research》2024年第1期100-109,共10页Yuqi Zhang Lan Song Yunfei Bi Binghui He Rongchang Zeng Tianyang Li 
the National Key R&D Program of China(Grant No.2022YFF1302903);the CRSRI Open Research Program(Grant No.CKWV20221005/KY);the Innovation Research 2035 Pilot PlanofSouthwest University(Grant No.SWUXDZD22003);the Fundamental Research Funds for the Central Universities(Grant No.SWU-KT22060);the Natural Science Foundation of Chongqing,China(Grant No.CSTB2022NSCQ-MSX0385);the State Cultivation Base of Eco-agriculture for Southwest Mountainous Land,Southwest University.
The angle between the exposed bedrock and slope in a karst trough valley strongly affects overland flow behavior,thus,altering the generation of runoff and sediment.However,the directions and magnitudes of these effec...
关键词：RUNOFF Soil erosion Exposure bedrock Prediction model KARST 
Scour hole reduction at a diversion channel junction using different entrance edge shapes
《International Journal of Sediment Research》2023年第6期811-820,共10页Ahmed Yahya Abdulhafedh Nashwan Kamalaldeen Alomari Ahmed Mohammed Sami Al-Janabi 
The experimental work was supported by the University of Mosul,Mosul,Iraq。
In the current study,the effect of the entrance edge shape on the scour hole in the diversion junction region was experimentally investigated.The investigation has considered three entrance modelsrounded edge shapes o...
关键词：Open channel Diversion flow Entrance edge shape SCOUR Channel junctions 
Numerical modeling of local scour of non-uniform graded sediment for two arrangements of pile groups被引量：1
《International Journal of Sediment Research》2023年第4期597-614,共18页Saeid Okhravi Saeed Gohari Mahdi Alemi Rodrigo Maia 
support of the Faculty of Engineering,Department of Civil Engineering,of the University of Porto。
A three-dimensional(3D)non-hydrostatic numerical model is established to investigate local scour around four aligned circular piles in uniform and non-uniform sediment mixtures and to provide information for improving...
关键词：Local bridge pier scour Non-uniform sediment Numerical modeling Pile groups Pile spacing Sediment transport 
An Innovative Approach to Predicting Scour Depth Around Foundations Under Combined Waves and Currents in Large-Scale Tests Based on Small-Scale Tests被引量：1
《Journal of Ocean University of China》2023年第3期637-648,共12页HU Ruigeng LIU Hongjun LU Yao WANG Xiuhai SHI Wei 
financially supported by the Fundamental Research Funds for the Central Universities(No.202061027);the National Natural Science Foundation of China(No.41572247)。
This study presents an innovative theoretical approach to predicting the scour depth around a foundation in large-scale model tests based on small-scale model tests under combined waves and currents.In the present app...
关键词：SCOUR scour depth prediction Froude similarity scale effects combined waves and currents 
Experimental investigation and prediction of free fall jet scouring using machine learning models
《International Journal of Sediment Research》2023年第3期405-420,共16页Farzin Salmasi Parveen Sihag John Abraham Meysam Nouri 
The current study deals with the depth of scour at the location of impact between a free fall jet and a riverbed.The current study is based on extensive laboratory experiments that were designed to mimic full-scale be...
关键词：Free jet SCOUR Gene Expression Programming(GEP) Random Forest(RF) Multivariate Adaptive Regression Spline(MARS) 
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