Volume 29 Issue 2
Jun 2015
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LIU Kun, LI Lei, YUAN Shuai, BAI Jin-Song, LI Ping. Modeling and Three-Dimension Numerical Simulation of Particle-Gas Mixing in Ejection with Spherical Sample Surface[J]. Chinese Journal of High Pressure Physics, 2015, 29(2): 143-148. doi: 10.11858/gywlxb.2015.02.009
Citation: LIU Kun, LI Lei, YUAN Shuai, BAI Jin-Song, LI Ping. Modeling and Three-Dimension Numerical Simulation of Particle-Gas Mixing in Ejection with Spherical Sample Surface[J]. Chinese Journal of High Pressure Physics, 2015, 29(2): 143-148. doi: 10.11858/gywlxb.2015.02.009

Modeling and Three-Dimension Numerical Simulation of Particle-Gas Mixing in Ejection with Spherical Sample Surface

doi: 10.11858/gywlxb.2015.02.009
  • Received Date: 18 Mar 2013
  • Rev Recd Date: 20 May 2013
  • A three-dimension numerical simulation subjected to gas-particle two phase flow method is implemented to simulate the particle-gas interaction in spherical ejection, in which particles are ejected from shocked sample interface.Particles initial distribution is modeled accroding to characteristics of ejection processes and reference data.And action of the moving sample interface on gas is simulated by using ghost fluid coupling Eulerian-Lagrangian method.Only steady drag force between particles and gas is considered at present.The evolutions of gas flow and particles movements are shown in this paper.It is concluded that the particles naturally redistribute to a high-density low-velocity region and a low-density high-velocity region, which qualitatively agrees with basic acquaintance obtained from ejection experiments.

     

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