首页|Numerical simulation of particle flow behavior in a screw conveyor using the discrete element method
Numerical simulation of particle flow behavior in a screw conveyor using the discrete element method
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Particle motion in a screw conveyor was simulated with the discrete element method.The particle flow behavior and transport processes at different screw rotating speeds and filling levels were investigated in this study.The spatial distributions of particle velocity were predicted.The predicted mass flow rate increased with increasing screw rotating speed and filling level.The contact forces and granular temperatures of particles were also calculated.The simulation results showed that the translational granular particle temperatures were higher than the rotational granular particle temperatures.In addition,the configurational temperatures of particles were calculated from simulated instantaneous particle overlaps,and results indicated that deformation of elastic particles contributed to the rate of energy dissipation.Good agreement between the numerical simulation and experimental results was achieved in this study.
Screw conveyorDiscrete element methodGranular temperatureSimulation
Shuyan Wang、Haolong Li、Ruichao Tian、Ruichen Wang、Xu Wang、Qiji Sun、Jiawei Fan
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School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318, China
This work was supported by the National Science Foundation in China through grantand State Key Laboratory of Heavy Oil Processing in China (2017)
NETL
NSTL
万方数据
维普
