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2020 Vol.25, Issue 2 Preview Page

Research Article

Emission Characteristics of Ultra-Fine Particulate Matter (PM<0.1µm) from Red-Heated Metal Fiber Flame Burners

적열된 메탈파이버 연소기의 극미세입자(PM<0.1µm) 배출 특성

Dong Seok Jeon1
,
Ji Hun Yeo1
,
Hui Man Yang1
,
Hye Jin Jang1
,
Nam Il Kim1*
전 동석1
,
여 지훈1
,
양 희만1
,
장 혜진1
,
김 남일1*
1Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology
1한국과학기술원 기계공학과
* Corresponding Author
30 June 2020. pp. 28-35
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Abstract

Generation and emission of particulate matter (PM) from methane-air premixed flame burners were investigated experimentally. Three types of burner surfaces were employed; i.e., a metal fiber, a perforated plate, and a sintered mat. In addition to NOx emission, the total weight and number distribution of PM were measured with the variation of the total flow rate and equivalence ratio. Usually, emission of NOx and PM increased as the total flow rate became larger and the equivalence ratio approached to stoichiometry from the fuel-lean conditions. Conclusively, even in the case of large NOx emission (100 ppm), the total mass of PM10 and PM2.5 were acceptable. However, the number of ultra-fine particles (<0.1 µm) significantly increased when the flow rate was excessively small and flame could heat up burner surfaces. It was suggested that an additional regulation for the ultra-fine dust would be necessary if premixed burners are operated at excessively low flow rate with surface heating.

Keywords
Particulate matter
NOx
Gas burner
Ultra-fine dust

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Information
  • Publisher :The Korean Society of Combustion
  • Publisher(Ko) :한국연소학회
  • Journal Title :Journal of the Korean Society of Combustion
  • Journal Title(Ko) :한국연소학회지
  • Volume : 25
  • No :2
  • Pages :28-35
  • Received Date : 2020-01-08
  • Revised Date : 2020-02-19
  • Accepted Date : 2020-02-20
  • DOI :https://doi.org/10.15231/jksc.2020.25.2.028
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