Proceedings of the KSME Conference (대한기계학회:학술대회논문집)

The Korean Society of Mechanical Engineers (대한기계학회)
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The growth effect of agglomerated and nonagglomerated particles in Condensation Nuclei Counter (CNC)

응집입자와 비응집 입자의 CNC 내에서 응축성장에 관한 실험적 연구

  • 김영원 (한양대학교 대학원 기계공학과) ;
  • 문형우 (한양대학교 대학원 기계공학과) ;
  • 윤진욱 (한양대학교 대학원 기계공학과) ;
  • 안강호 (한양대학교 기계공학과)
  • Published : 2001.06.27
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Abstract

Agglomerated and nonagglomerated SiO2 particles are synthesized in furnace by the electrohydrodynamic spraying method and the vapor feeding method for the test particle generator this study. These polydispersed particles are classified with DMA to extract equal mobility particles. Then these particles are introduced into CNC (Condensation Nuclei Counter) to see the pulse height using Multi-channel Analyzer. The response characteristics of these two kinds of particles in CNCs (TSI CNC 3022 and 3025A) have been studied as a function of particle size using mono disperse particles classified by DMA. The results show that the higher drag resistance particles, so called agglomerated particles have generated a lower CNC pulse height than the spherical particles for these two different CNCs, which means the nonagglomerated particles may start to grow larger than the agglomerated particles.

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