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How to identify soot formation in diffusion flame at different flame height? 


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Soot formation in diffusion flames at different heights can be identified through various methods. Studies have shown that soot shape completion occurs at the bottom of the outside of the flame, with no further changes in shape thereafter . Additionally, the oxidation of soot predominantly takes place at the bottom of the flame's exterior . Furthermore, the thermogravimetric analysis of ethylene flames with varying methane mixing ratios revealed that as the flame height increases, the thermogravimetric curve of soot shifts initially to higher temperatures and then to lower temperatures . Moreover, in ethanol-gasoline blend flames, the proportion of the soot-forming zone decreases with higher ethanol volume fractions, while the blue flame zone area increases . These findings collectively contribute to understanding soot formation in diffusion flames at different heights.

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Soot formation in a rapeseed oil-fueled diffusion flame is identified by analyzing soot collected at various heights using scanning electron microscopy and X-ray photoelectron spectroscopy.
The study uses models like SLFM and one/two-step models to analyze soot formation in a turbulent diffusion flame, showing sensitivity to radiation and turbulence-chemistry interactions but not flame height.
Soot formation in diffusion flames at varying heights can be identified using parallel light extinction method and flame structure analysis, observing changes with ethanol volume fraction in ethanol-gasoline blends.
Soot formation in a rapeseed oil-fueled diffusion flame is identified by analyzing soot collected at various heights using scanning electron microscopy and X-ray photoelectron spectroscopy.
Soot formation in diffusion flame at different heights can be identified by observing a shift in thermogravimetric curve towards higher temperatures followed by lower temperatures as flame height increases.

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