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전역 광소멸법을 이용한 확산화염 내 그을음 입자의농도 측정에 관한 연구

A Study of the Concentration Measurements of Soot Particles formed within Diffusion Flames using Full-field Light Extinction Technique

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초록

In the present study, non-intrusive technique for the concentration measurements of soot particles formed within the flames was experimentally investigated. As part of this study, the full-field light extinction apparatus that enables us to obtain the spatial distribution of soot particle concentration within the flames was developed and implemented. In addition, the 3 point abel deconvolution algorithm was coded using a Fortran software to determine the spatial distribution and concentration of soot particles. The abel inversion analysis clearly indicates that the spatial distribution of soot particles within the flame can be faithfully reconstructed from the projected light extinction image captured by a CCD camera.

Abstract

In the present study, non-intrusive technique for the concentration measurements of soot particles formed within the flames was experimentally investigated. As part of this study, the full-field light extinction apparatus that enables us to obtain the spatial distribution of soot particle concentration within the flames was developed and implemented. In addition, the 3 point abel deconvolution algorithm was coded using a Fortran software to determine the spatial distribution and concentration of soot particles. The abel inversion analysis clearly indicates that the spatial distribution of soot particles within the flame can be faithfully reconstructed from the projected light extinction image captured by a CCD camera.

참고문헌 (9)

  1. Jacobson, M.Z., "Strong Radiative Heating due to the Mixing State of Black Carbon in Atmospheric Aerosols", Nature, 409, pp.695~697 (2001)
  2. Report to Congress on Black Carbon, "United Sates Environmental Protection Agency (EPA)", United Sates Environmental Protection Agency (EPA), ~ (2012)
  3. Peters, A., "Increased Particulate Air Pollution and the Triggering of Myocardial Infarction", Circulation, 103, pp.2810~2815 (2001)
  4. Pope,C.A.III, "Lung Cancer, Cardiopulmonary Mortality, and Long-term Exposure to Fine Particulate Air Pollution", The Journal of the American Medical Association, 287, pp.1132~1141 (2002)
  5. 환경부, "바로 알면 보인다. 미세먼지, 도대체 뭘까?", ~ (2016)
  6. Zhu, J., "Accurate Measurement of Soot Optical Properties in the Infrared Spectrum", Proc. Combust. Inst, 29, pp.2367~ (2002)
  7. Zhu, J. Y., "Measurement of soot optical properties in the near-infrared spectrum", International Journal of Heat and Mass Transfer, 43, pp.3299~3303 (2000)
  8. Choi, M. Y., "Comparisons of soot volume fraction using gravimetric and light extinction techniques", Combustion and Flame, 102, pp.161~169 (1995)
  9. Dasch, C. J., "New Soot Diagnostics in Flames Based on Laser Vaporization of Soot", Proc. Combust. Inst, 20, pp.1231~1237 (1984)

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