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CFD Explanation and Verification of Multi Inner Stage Cyclone for The Particle Removal

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2013, 18(1), pp.149-156
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

이상준 1 김춘이 2 Won Joo Lee 3

1평택대학교
2평택대학교 환경에너지기술융합연구센터
3인하공업전문대학

Accredited

ABSTRACT

In this paper, Commercial program, STAR-CCM+, was used for computer simulation. And also Multi Inner Stage(MIS) cyclone which especially designed for the real experiments of particle removal efficiency. Under negative pressure condition of outlet, computer simulation was performed to predict the removal efficiency for 5㎛ and 10㎛ particles by using a turbulence model and lagrangian method. The simulation results are 55.7% and 64.1% for 5㎛ and 10㎛ particles,respectively. To compare the simulation results with the actual test of MIS cyclone, we generated the SiO2 particles by heat reactor. Although removal efficiency of actual tests is 63~76% at different flow rate, the size of SiO2 particles which confirmed by SEM(scanning electron microscope) and WAPS(wide range aerosol particle spectrometer) is too small(15~30nm) to compare each results. And so the alternative experiments were performed by using commercial alumina particles (5㎛, 10㎛ and 20㎛). It was shown that the actual removal efficiency, 76~95%,from MIS cyclone is higher than simulated one.

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