Low and Intermediate Temperature Chemistry in Cool and Warm Flames

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Low and Intermediate Temperature Chemistry in Cool and Warm Flames

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  • Author: Erica Belmont
Low and intermediate temperature combustion, defined by oxidative chemistry occurring at temperatures between approximately 600-800 K (low temperature chemistry, LTC) and 800-1100 K (intermediate temperature chemistry, ITC), respectively, are distinctively different regimes compared to high temperature chemistry (HTC). HTC occurs at over approximately 1100 K and is readily observed in fires, engines, and other combustion events. These different chemistry regimes originate from different chain-branching pathways and produce flames which are characterized as cool flames (LTC), warm flames (ITC), and hot flames (HTC) (Ju et al., 2019; Ju, 2021).

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