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典型文献
Numerical Simulations of Liquid?Solid Flows in A Vertical Pipe by MPS?DEM Coupling Method
文献摘要:
In the process of deep-sea mining, the liquid-solid flows in the vertical transportation pipeline are very complex. In the present work, an in-house solver MPSDEM-SJTU based on the improved MPS and DEM is developed for the simulation of hydraulic conveying. Firstly, three examples including the multilayer cylinder collapse, the Poiseuille flow and two-phase dam-break are used to validate the precision of the DEM model, the pipe flow model and MPS?DEM coupling model, respectively. Then, the hydraulic conveying with coarse particles in a vertical pipe is simulated. The solid particle distribution is presented and investigated in detail. Finally, the coupling method is suc- cessfully applied for the simulation of the liquid?solid flows in a vertical pipe with rotating blades, which shows the stability of the solver under rotating boundary conditions. This fully Lagrangian model is expected to be a new approach for analyzing hydraulic conveying.
文献关键词:
作者姓名:
XIE Feng-ze;MENG Qing-jie;WAN De-cheng
作者机构:
Computational Marine Hydrodynamics Lab (CMHL), School of Naval Architecture, Ocean and Civil Engineering,Shanghai Jiao Tong University, Shanghai 200240, China;Wuhan Second Ship Design and Research Institute, Wuhan 430205, China
引用格式:
[1]XIE Feng-ze;MENG Qing-jie;WAN De-cheng-.Numerical Simulations of Liquid?Solid Flows in A Vertical Pipe by MPS?DEM Coupling Method)[J].中国海洋工程(英文版),2022(04):542-552
A类:
MPSDEM
B类:
Numerical,Simulations,Liquid,Solid,Flows,Vertical,Pipe,by,Coupling,Method,In,process,deep,sea,mining,liquid,solid,flows,vertical,transportation,pipeline,are,very,complex,work,house,solver,SJTU,improved,developed,simulation,hydraulic,conveying,Firstly,three,examples,including,multilayer,cylinder,collapse,Poiseuille,two,phase,dam,break,used,validate,precision,model,coupling,respectively,Then,coarse,particles,simulated,distribution,presented,investigated,detail,Finally,method,suc,cessfully,applied,rotating,blades,which,shows,stability,under,boundary,conditions,This,Lagrangian,expected,be,new,approach,analyzing
AB值:
0.573983
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