설비공학논문집 (Korean Journal of Air-Conditioning and Refrigeration Engineering)

  • 제14권10호
  • /
  • Pages.792-800
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  • 2002
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  • 1229-6422(pISSN)
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  • 2465-7611(eISSN)
대한설비공학회 (The Society of Air-Conditioning and Refrigerating Engineers of Korea)
권호 표지

주방환기용 그리스 필터의 입자포집 특성에 관한 수치해석

A Numerical Study on the Particle Collection Characteristics of a Grease Filter for Kitchen Ventilation

  • 김기정 (서강대학교 대학원) ;
  • 배귀남 (한국과학기술연구원 지구환경연구센터) ;
  • 김영일 (한국과학기술연구원 열유동제어연구센터) ;
  • 허남건 (서강대학교 기계공학과)
  • 발행 : 2002.10.01
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초록

A grease filter is used to remove grease generated from a cooking appliance in a kitchen. This numerical study has been conducted to investigate the particle collection characteristics of a grease filter having nominal flowrate of $100m^3$/h. The flow field and particle trajectories in the grease filter with a flow chamber were simulated by using the commercial code of STAR-CD. The air velocity and pressure distributions were discussed in detail. The pressure drop of a grease filter rapidly increases with increasing the air flowrate. The numerical values of the pressure drop are slightly lower than the experimental values when the air flowrates are 50, 75, and 100㎥/h. The particle collection efficiency of a grease filter increases with increasing the particle diameter, the particle density, and the air flowrate, which means that the inertial impaction is a dominant particle removal mechanism in a grease filter. The cut-off diameter of the tested grease filter representing 50-% collection efficiency is about 11.6$\mu$m for water droplets at $100m^3$/h.

키워드

참고문헌

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