Soot measurements in high-pressure laminar diffusion flames

Scott Steinmetz, T. Fang, William L. Roberts

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Soot formation in high-pressure laminar co-flow ethylene flames diluted by nitrogen is studied by use of line of sight attenuation and laser scattering. Soot volume fraction is determined by line of sight attenuation for pressures of 4, 6, and 8 atmospheres, and compared with previous results by two-color thermometry. The data show good agreement with previous results. Average particle diameter is also determined by scattering for the first time in flames at these pressures. Particle diameters are found to be insensitive to pressure along the flame centerline, but positively correlated to pressure in the flame annulus.
Original languageEnglish (US)
Title of host publicationFall Technical Meeting of the Eastern States Section of the Combustion Institute 2013
PublisherCombustion Institute
Number of pages6
ISBN (Print)9781629937199
StatePublished - Jan 1 2013


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