Abstract

The dwindling air quality and diminishing fossil fuel reserves have led to an increase in the need for alternative sources of fuel. Biodiesel derived from animal/plant sources seems to be an attractive substitution. However, there are some shortcomings of biodiesel like lower thermal efficiency, poor atomization, inferior heating value, and higher molecular mass. One of the probable novel ways to address this lacuna is by the use of nano based biodiesel in IC engine. The present study performs an endeavor to improve the performance and emulsion qualities of biodiesel generated from mahua oil by employing Titanium oxide (TiO2) nanoparticles as an additive. All trials were conducted in a diesel-powered engine at varying load levels with different test fuel such as diesel fuel, blended biodiesel (80 % diesel + 20 % mahua biodiesel), and nanoparticle-based blended biodiesel (80 % diesel + 20 % mahua biodiesel – 200 mg/L TiO2). When compared to diesel mode, the average CO emission reduction for blended biodiesel and nanoparticle-based blended biodiesel is 37.42 % and 46.54 %, respectively. In comparison to diesel mode, the average reduction in HC emission is 22.54 % for the blended biodiesel and 28.4 % for the nanoparticle-based blended biodiesel, respectively. When compared to diesel mode, the average reduction in NOx emission is 4 % and 2.3 % for the blended biodiesel and nanoparticle-based blended biodiesel, respectively.

Full Text
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