Abstract
In this work, the droplet evaporation rate and ignition probability of biodiesel of neem and karanja were investigated and modelled using RSM. The biodiesel from neem and karanja oil were prepared using trasesterification. Thermo-physical properties of fuels was tested. Further, a test rig was fabricated to find out the rate of evaporation of fuel droplet as well as the ignition probability of the biodiesel and comparison was done so as to find out the feasibility for combustion application. It was concluded that the ignition probability and evaporation rate of karanja biodiesel was better than neem biodiesel. Also, evaporation rate and ignition probability above critical surface temperature (450 °C) drastically increased for all fuel. The model of ER and IP was found statistically significant and predict responses accurately at any surface temperature.
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