Study of Soot Formation in a Flat Ethylene/Air Flame with Various DME Additives
Source abstract
Abstract
Abstract The experimental and calculated results of the study of formation and growth of soot particles in a standard flat ethylene/air flame with the addition of dimethyl ether (DME) are presented. Two-dimensional laser-induced incandescence (2D-LII) was used as an experimental method to obtain data on the soot volume fraction in the flame. The time-resolved LII signal allowed us to obtain information on the mean size of soot particles depending on the height above burner (HAB). Kinetic modeling was carried out using a modern kinetic mechanism of pyrolysis and oxidation of hydrocarbons, including a sectional model of soot particle growth. DME additives have been shown to reduce soot volume fraction without significantly affecting final particle size. In addition, DME additives slow down the initial stages of soot particle formation but accelerate their subsequent growth.
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Research context
OpenAlex topics: Advanced Combustion Engine Technologies · Combustion and flame dynamics · Fire dynamics and safety research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (37)
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