Abstract
In this work, using diesel fuel as an example, we studied the combustion characteristics of liquid hydrocarbons when atomized by a high-speed air jet. This approach to spraying liquid fuel in combustion processes has a number of advantages over traditional spraying: the ability to supply fuel with a low degree of purification and to reduce the likelihood of fuel equipment coking. Using an atmospheric burner device with natural air supply into the mixing chamber, the depen¬dences of the composition of intermediate and final combustion products were studied, and the flame temperature was measured at various fuel flow rates and parameters of the atomizing air jet (flow rate, temperature). A comparison was made of the obtained characteristics for equivalent modes at different temperatures of the supplied atomizer. It was found that when heated air is used as a sprayer, higher flame temperatures are ensured, which ensures a more complete fuel burnout and a decrease in CO concentration in the flue gases, but at the same time, a slight increase in NOx is observed.
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