Browse Publications Technical Papers 2009-01-2677
2009-11-02

Multi-Component Modeling of Evaporation, Ignition and Combustion Processes of Heavy Residual Fuel Oil 2009-01-2677

The present study introduces a multi-component model for heavy fuel oil combustion based on two component approximation, implemented into KIVA-3V using modified evaporation, ignition and combustion models. The fuel is treated as a blend of residual portion and cutter stocks. Different fuel properties are assigned to each component affecting evaporation behavior in the liquid phase as well as ignition and combustion characteristics in the vapor phase. The model was validated regarding spray and flame appearance using photographs of spray combustion in a visual constant volume combustion chamber. Further the effects of fuel component properties on the ignition and combustion properties of the fuel blend have been investigated based on rate of heat release analysis.

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