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Journal Article

Experimental Investigation of Diesel Engine Fueled with Jatropha Oil Blend with Ethanol

Dwindling petroleum reserves and alarming level of air pollution has been an issue of great concern in recent times and researchers across the world are experimenting on variety of renewable fuels for meeting the future energy demands. Within the gamut of alternative fuels, biofuels are the most promising and have the potential to mitigate climate change and lease a new life to existing IC engines. The vegetable oils are having immense potential in this context and have been used either in neat or modified form by large number of researchers. Jatropha curcus is a perennial plant and bears non edible oil. The plant is drought tolerant and has been cultivated all over the arid and semi-arid areas for reforestation. In the present study, blends of jatropha oil and ethanol have been prepared in 5, 10, 15 and 20% (v/v) and evaluation of important properties of blends has been carried. The results show that properties are quite similar to diesel fuel.
Technical Paper

An Experimental Investigation on Performance and Emission Studies of a Single Cylinder Diesel Engine Fuelled with Blends of Diesel and Mahua Oil Methyl Ester

Ever increasing consumption of petroleum derived fuels has been a matter of grave concern due to rapidly depleting global reserves and alarming levels of emissions leading to global warming and climate change. Exhaustive research has been carried out globally to evaluate the suitability of variety of renewable fuels for internal combustion engine applications. Amongst them, vegetable oil methyl esters or biodiesel seem to be a promising alternative for diesel in vital sectors such as transportation, industrial and rural agriculture. For quite some time, the focus for production of biodiesel has shifted towards non-edible oil feedstock from the edible ones, mostly due to food security issues. One such non-edible oil, locally known as Mahua in Indian subcontinent, is a very promising feed stock for biodiesel production. In the present investigation, 5%, 10%, 15% and 20% (v/v %) blends of mahua oil methyl ester (MOME) and diesel were prepared.
Technical Paper

Performance Evaluation and Emission Studies of a Single Cylinder Diesel Engine Fuelled with Isopropyl Alcohol and Diesel

Phenomenal industrial activities worldwide in the last couple of centuries have resulted in indiscriminate use of conventional energy resources and environmental degradation. The consumption of petroleum-derived fuels has increased exponentially due to enhanced mobility and also caused serious threat to earth's eco-system. The need to explore variety of alternative fuels in transportation sector has been the subject of research all over the world. In this context, alcohols like butanol and isopropyl alcohol seem to present a viable option for potential application in diesel engines. In the present investigation, 5%, 10%, 15%, 20% (v/v) blends of isopropyl alcohol and diesel was prepared. The various blends were found to be homogenous and stable. The exhaustive engine trials were carried out on a single-cylinder unmodified diesel engine. The results suggest significant reduction in emission of oxides of nitrogen (NOx for various blends as compared to baseline data of diesel.