Numerical Simulation of Bio-Oil Emulsion Combustion in the Direct-Flow Combustor

Qi Wang

doi:10.4028/www.scientific.net/AMR.347-353.3582

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Numerical Simulation of Bio-Oil Emulsion Combustion in the Direct-Flow Combustor

Abstract:

In order to estimate the adaptability of the diesel combustor, the combustion characteristics of pure diesel and emulsions of bio-oil and diesel (with 5wt% and 50wt% bio-oil contents) were investigated by numerical simulation method. The factors including ignition delay, temperature distribution and combustion components distribution in the combustor were studied. The combustion characteristics of 5wt% bio-oil emulsion were nearly consistent with those of pure diesel. The only minor difference was that its ignition delayed slightly to the upstream. In contrast, 50wt% bio-oil emulsion had different performences in the combustor, whose ignition was shortly delayed.