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This paper presents a numerical study of the gas-particle flow in a typical divergent cyclone. The gas flow field is obtained by the use of Reynolds stress model (RSM) and the particle motion is simulated by the use of a stochastic Lagrangian model. Both the axial velocity and tangential velocities decrease from top to bottom as a fluid segment moves due to the inverted conical cyclone body. Only...
The discrete element method is used to investigate the high-velocity compaction process with additional piston supports known as relaxation assists. It is shown that by incorporating the relaxation assists in the piston-die assembly, particles can be better locked during the compaction process. The simulation results reveal that relaxation assists offer; smooth compaction during loading stage, prevention...
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