Abstract
ABSTRACTOxides of nitrogen (NOx) and particulate matter (PM) are the main pollutants from diesel engines. Bio-diesel fuel, as alternative fuel, has potential to reduce the formation of NOx and PM. And emulsion fuel is a mixture of fuel and water that can reduce nitrogen oxide (NOx) and PM in exhaust gas when it is burned in a diesel or other heat engines. Reduction of NOx is originated from the reduction of local high temperature due to vaporized water during combustion. The aim of the present study is performed on the production of the stable bio-diesel emulsion fuel. In this research, a bubble pulse caused by an underwater explosion is used to emulsify samples, i.e., water (in the range of 5–20%) and bio-diesel fuel with two different specific surfactants. This mechanism of the emulsification is observed by a high speed video camera. It is found that (i) the process of generating emulsification under the underwater explosion is disclosed, (ii) the stable emulsion fuel is affected by HLB, i.e., the ratio of two different specific surfactants and the timewise stability of the emulsion fuel is attributed to the scattering intensity of the measured water particle size.
Published Version
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