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Arch formation mechanism and discharge process of cohesive fine powder in a vibrated silo: 《Particuology》2024年第11期373-385,共13页Jingzhen Zhu Kun Wang Yu Ma Wentao Xu Jiecai Long Xiwen Li; The arch formation mechanism and discharge process of a very cohesive fine powder(calcium carbonate)in a vibrated silo was investigated by experiments and discrete element method(DEM)simulations.An experimental setup ...; 关键词：Cohesive fine powder Silo discharge Vertical vibration Arch formation Flow rate Discrete element method

Measurement of acceleration and angular velocity of particles during a 3D silo discharge: 《Particuology》2024年第9期61-71,共11页Tongtong Mu Yiming Li Quan Chen Ran Li Hui Yang; the National Natural Science Foundation of China(grant Nos.12072200,12372384);the Program of Shanghai Academic Research Leader(grant No.23XD1421400).; Accurate measurement of the three-dimensional(3D)movement of discrete particles is crucial for comprehending complex granular rheology in silos.In this paper,the acceleration and angular velocity of particles in 3D si...; 关键词：Granularflow SILO Angular velocity ACCELERATION

Research on the cuttings discharge in air cushion chamber of slurry shield based on CFD-DEM coupling method Author links open overlay panel: 《Particuology》2024年第8期88-105,共18页Han Wang Wantao Ding Weimin Yang Chengzhen Wang Wenduan Yu Zhicheng Wang; support from the National Natural Science Foundation of China(grant number 52278403);the Natural Science Foundation of Shandong Province(grant number ZR2021ME135).; The rapid discharge of cuttings from the air cushion chamber is crucial for the construction safety and excavation efficiency of the slurry shield.Previous studies have mainly focused on the transport characteristics ...; 关键词：Slurry shield CFD-DEM coupling method Cuttings discharge Aircushion chamber Slurry discharge pipe

Experimental investigation on the gravity driven discharge of cohesive particles from a silo with two outlets: 《Particuology》2024年第6期11-21,共11页Li Dai Zhulin Yuan Fengxian Fan Conghui Gu; support from the National Natural Science Foundation of China(grant No.51976130);Science and Technology Commission of Shanghai Municipality,China(grant No.13DZ2260900)。; An experimental study on the gravity driven discharge of cohesive particles from a silo with two outlets was performed.The discharge behaviors under the conditions that a single outlet was open and two outlets were op...; 关键词：Cohesive particles Moisture content Discharge rate AVALANCHE Mixing

Multi-level DEM study on silo discharge behaviors of non-spherical particles被引量：2: 《Particuology》2023年第11期179-191,共13页Lei Xu Xiukai Wu Jingyin Liang Shuai Wang Shiyi Bao; funded by the National Natural Science Foundation of China(grant No.52075489 and 52205172);Zhejiang Province Public Welfare Technology Application Research Project(grant No.LGG20E050017);the Natural Science Foundation of Zhejiang Province of China(grant No.LY23E050015).; The silo discharge of non-spherical particles has been widely practiced in engineering processes, yet the understanding of multi-level mechanisms during solid transportation is still lacking. In this study, a high-fid...; 关键词：Multi-level study Non-spherical particle Numerical simulation Silo discharge Granular flow

Effects of volumetric fraction and included angle of composite particles on the discharge of binary mixtures in hoppers被引量：1: 《Particuology》2020年第4期80-90,共11页Liange Ge Nan Gui Xingtuan Yang Jiyuan Tu Shengyao Jiang; The authors are grateful for research support from the National Natural Science Foundation of China(Grant No.51576211);the Sci-ence Fund for Creative Research Groups of National Natural Science Foundation of China(Grant No.51621062);and the National High Technology Research and Development Program of China(863)(2014AA052701).; The discharge behavior of particles is important in many industrial applications,such as in the core of a pebble bed reactor,which uses a hopper bed filled with many large particles.In this work,a mixture composed of ...; 关键词：Pebble flow Particle flow Discharge flow Hopper bed Binary mixture Discrete element method

Synthesis of two-dimensional lead sheets by spark discharge in liquid nitrogen: 《Particuology》2018年第5期152-159,共8页Ahmad Hamdan Hiba Kabbara Cedric Noel Jaafar Ghanbaja Abdelkrim Redjaimia Thierry Belmonte; A simple method to synthesise hexagonal lead sheets,which belong to the class of two-dimensional materials,is proposed.These objects are collected on a substrate located under two lead electrodes, between which nanose...; 关键词：DISCHARGE in hquids Plasma-surface interaction Nanopamcles Liquid NITROGEN LEAD

Discrete and continuum modeling of granular flow in silo discharge被引量：7: 《Particuology》2018年第1期127-138,共12页Tian Tian Jinglin Su Jinhui Zhan Shujun Geng Guangwen Xu Xiaoxing Liu; This work is supported financially by the National Natural Science Foundation of China, grant No. 21576265. Xiaoxing Liu acknowledges the financial support from the Hundred Talents Pro- gram of Chinese Academy of Sciences.; Granular material discharge from a flat-bottomed silo has been simulated by using continuum modeling and a three-dimensional discrete-element method （DEM）. The predictive abilities of three commonly used frictional ...; 关键词：SILO Flow pattern Discharge rate Discrete-element model Frictional viscosity model

Development of a rarefaction wave at discharge initiation in a storage silo--DEM simulations: 《Particuology》2018年第1期37-49,共13页R. Kobylka J. Horabik M. Molenda; The generation of a rarefaction wave at the initiation of discharge from a storage silo is a phenomenon of scientific and practical interest. The effect, sometimes termed the dynamic pressure switch, may create danger...; 关键词：Granular flow Dynamic pressure switch Discrete element method Silo discharge Stress wave Rarefaction wave

Prediction of flow patterns during silo discharges using a finite element approach and its preliminary experimental verification被引量：13: 《Particuology》2015年第1期42-49,共8页S.Ding H.Li J.Y.Ooi J.M.Rotter; Obtaining a reliable discharge of particulate solids from a storage silo is a prerequisite to securing oper- ational adequacy in solids handling processes. If a silo is poorly designed, an unreliable interrupted disch...; 关键词：Discharge pattern Flow boundary Double-cone insert FE analysis Preliminary verification

DISCHARGE