Abstract
The present work is aimed at experimental optimization of the linseed biodiesel blends as sustainable fuel for compression ignition engine. The experiments were conducted to study the comparative combustion, performance, and emissions characteristics of linseed biodiesel-diesel fuelled single cylinder compression ignition engine. The comparison was done with base fuel as diesel and linseed oil biodiesel at 1500 ± 10 rpm. Experiments were performed at various blends of linseed biodiesel and engine loads. At full load and LB10, comparable mass fraction burnt, better rate of pressure rise and brake mean effective pressure, improved indicated thermal efficiency (10% to 12%) and lower specific fuel consumption (4% to 6%) were observed. The emission of CO and hydrocarbon and opacity were reduced. But there was slight increase in CO2 and NO emissions. The optimized blend for linseed biodiesel can be taken as LB10. The linseeds are plant produce, which is renewable in nature and the products (i.e., linseed biodiesel) are recycled in the environment. So practically zero CO2 addition to the environment as compared to mineral fuels, leading to the mitigation of CO2.
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