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Soot measurements in laminar ethylene diffusion flames

✍ Scribed by J.H. Kent; H.Gg. Wagner

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
700 KB
Volume
47
Category
Article
ISSN
0010-2180

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✦ Synopsis

Soot measurements were made in laminar ethylene diffusion flames for various fuel and air flow rates in a Wolfhard-Parker burner. Simultaneous light scattering and extinction measurements yielded spatially resolved particle number densities, particle size, and soot volume fraction. Laser doppler velocity measurements and temperature measurements allowed the flow field and particle trajectories to be determined.

Soot production rates were found to be highest near the base of the flame in a region of temperature 1200-1400Β°C. Particle generation rates were greatest, however, near the flame zone. Small flames had the highest initial soot volume fractions and particle sizes, but larger flames produced more soot flux further up.

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