Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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A Study on the Phenomena of Dust Removal by the Layout Changes in the Turbulent Type Clean Room

난류형 클린룸내의 Layout 변화에 따른 분진제거 특성에 관한 연구

  • Kim, Yeon-Hee (Industrial Academic Cooperation Centered University, Hoseo University) ;
  • Kim, Hong (Department of Safety System Engineering, Hoseo University)
  • 김연희 (호서대학교 산학협력중심대학) ;
  • 김홍 (호서대학교 안전시스템공학과)
  • Published : 2006.10.31
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Abstract

The purpose of this paper is to investigate the removal efficiency of fine dusts as the configuration condition of machinery and equipments in Clean Room and to analyze the flowing behaviors of fine dusts as the layout of Clean Room. The layout of the Clean Room was classified into side layout type, 2 center line type and center concentration type layout, and the flow rates used in this research were 0.22m/s, 0.44m/s and 0.80m/s. Dust removal efficiency as layout change was decreased 37% for side layout type, 31% for 2 center line type and 20% for center concentration type layout at the flow rate of 0.22m/s, compared with the state without machinery and equipments in Clean Room. The efficiency was decreased 42% for side layout type, 22% for 2 center line type and 8% for center concentration type layout at the flow rate of 0.44m/s, and decreased 20% for side layout type, 18% for 2 center line type and 10% for center concentration type layout at the flow rate of 0.80m/s. According to the result of dust removal behavior, $0.3{\mu}m,\;1{\mu}m\;and\;3{\mu}m$ dust except for $5{\mu}m$ showed the higher change of the behavior in side layout type than in center concentration type layout due to the change of air flow. It was confirmed that removal behavior depends on the layout of machinery and equipments as the dust size decreases.

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References

  1. 한국공기청정연구조합, 공기청정편람 제2권, pp. 1-17, 2002
  2. Muller environmental designs, Inc. 'Principles of air filtration', Technical Brochure, pp. 2 - 3, 2004
  3. Chunxin Yang et al., 'Experimental Validation of a Computational fluid Dynamics Model for IAQ Applications in Ice Rink Arenas', Indoor Air. Vol. pp. 1-3, 2001
  4. Gilliberti, D. F., et al., 'Gas Cleaning at High Temperature', The Inst. of Chem. Eng. Symposium 331, pp. 5 -6, 1986
  5. Destephen, J. A., Choi, K. J., 'Modeling of filtration processes of fibrous filter media', Separation Technology, 1996
  6. Kim, T., Yeon, 'Indoor climate design based on CFD Coupled simulation of convection, radiation, and HVAC control for attaining a given PMV value', Building and Environment, Vol. 36, pp. 23-28, 2001
  7. Wilcox, David C, 'Turbulence Modeling for CFD', DCW Industries, Inc., pp. 3 -6, 1998
  8. Wei, Zhang, Chen, Qingyan, 'Large eddy simulation of indoor airflow with a filtered dynamic subgrid scale model', International journal of heat and mass transfer Vol. 43, pp. 6-7, 2000
  9. Versteeg, H. K., and Malalasekera, W., 'An introduction to computational fluid dynamics : The finite volume method', Longman, pp. 12-16, 1995
  10. J. D. Chung, 'Process Evaluation for Current Ceramic Filter and Granular Bed Filter for High Temperature High Pressure Application', Energy Engg, Vol. 5, No.2, pp. 5 -8, 1996
  11. J. D. Chung, 'Experimental Results of High Temperature Bench Scale Dust Removal System using Ceramic Candle Filter Environ.', Eng. Res., Vol. 2, No.1, pp. 6, 1997