Abstract
The present work explores the use of argemone mexicana (non-edible and adulterer to mustard oil) biodiesel in multicylinder compression ignition, indirect injection engine. Argemone Mexicana biodiesel was produced by transesterification process and the important physico-chemical properties of various blends were investigated. Blends of diesel/biodiesel (AB10, AB20, AB30 and AB40) were prepared and used for analysing the engine performance and emission characteristics at varying loads (0, 25, 50 and 75%) and speeds (2500–4000 r/min). The results show improvement in indicated thermal efficiency and indicated specific fuel consumption with increased proportion of biodiesel in diesel, when compared to conventional diesel. In addition, exhaust emissions such as carbon monoxide, unburnt hydrocarbon and smoke opacity were significantly reduced by AOME/diesel blends. The improvement in engine performance and exhaust emissions were observed up to 30% blending of AOME/diesel. Beyond that, higher blend (AB40) showed deterioration in performance characteristics in contrast to AB30 but still better as compared to conventional diesel.
Highlights
The energy demand of the world is primarily met through non-renewable sources; such as coal, natural gas and oil
Since the FFA of Argemone mexicana is less than 2%, single step transesterification has been used for the production of AOME (Cheng, 2009)
Experimentation was conducted on multicylinder, indirect injection (IDI), compression ignition engine
Summary
The energy demand of the world is primarily met through non-renewable sources; such as coal, natural gas and oil. Though researchers have difference of opinion regarding depletion of global crude oil reserves, but all agree that the end of oil age is not very far. Besides this threat, the world is facing the challenge of gradual degradation of environment due to the burning of fossil fuels, due to which the global surface temperatures are likely to increase by 1.1C to 6.4C between 1990 and 2100 (Intergovernmental Panel on Climate Change, 2014)
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