대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제27권5호
  • /
  • Pages.596-603
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  • 2003
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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층류 확산화염에서의 매연과 질소산화물의 배출특성 : 공기측/연료측 희석제 첨가에 따른 영향

Soot and NOx Emissions in Laminar Diffusion Flames: Effects of Air-Side versus Fuel-Side Diluent Addition

  • 이종호 (부산대학교 기계공학부) ;
  • 엄재호 (부산대학교 기계공학부) ;
  • 박철웅 (한국표준과학연구원, 레이저계측그룹) ;
  • 전충환 (부산대학교 기계공학부, 기계기술연구소) ;
  • 장영준 (부산대학교 기계공학부)
  • 발행 : 2003.05.01
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초록

Present study has been conducted to see the relative effects of adding N: to fuel-side and air-side on flame structure, soot formation and NOx emissions. Experiments were carried out to ascertain to what degree chemical kinetics and/or molecular transport effects can explain the differences in soot formation and NOx emission by studying laminar diffusion flames. Direct photograph was taken to see the flame structure. CARS techniques was used to get the flame temperature profiles. And spatial distribution of soot could be obtained by PLII method. CHEMKIN code was also used to estimate the global residence time to predict NOx emissions at each condition. Results from these studies indicate that fuel-side dilution is more effective than air-side dilution in view of NOx emissions. However, air-side dilution shows greater effectiveness over fuel-side dilution in soot formation. And turbulent mixing and heat transfer problems were thought to be considered in practical applications.

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참고문헌

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