• Title/Summary/Keyword: PSIC method

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Numerical Simulation for an Air-Solid Two-Phase Flow in a Vertical Pipe (기체 흐름에 고체입자가 섞인 파이프 내의 이상유동에 대한 수치 해석)

  • Pak S. I.;Chang K. S.
    • 한국전산유체공학회:학술대회논문집
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    • 2002.10a
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    • pp.41-46
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    • 2002
  • A numerical simulation was made to determine the motion of particles in the fluid. The simulation is based on the Eulerian-Lagrangian method. The fluid motion was solved using a PISO-based finite-element method and a $\kappa-\epsilon$ model of turbulence. In the Lagrangian method for the solid phase, the trajectories of particles are calculated by integrating the equations of motion of a single Particle, and the collision between particles are taken into account. The influence of particles on the fluid phase is taken into account by introducing source terms in the Eulerian equations govering the fluid flow. It is known as the particle-source-in-cell (PSIC) method. Also, the turbulent effect in the particles and fluid notion is considered. The numerical results were compared with the experiment for a two-phase flow in a vertical pipe.

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