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Technical Paper

Utilization of Blends of Jatropha Oil and N-Butanol in a Naturally Aspirated Compression Ignition Engine

2013-10-14
2013-01-2684
Diesel Engines are widely used in transportation, industrial and agriculture sectors worldwide due to their versatility and ruggedness. However, they also emit harmful emissions detrimental to human health and environment. Apart from environmental degradation, the perturbation in international crude oil prices is also mandating use of renewable fuels. In this context, vegetable oils such as Jatropha Curcas due to their carbon neutral nature and widespread availability, seems to present a promising alternative to the mineral diesel. Straight vegetable oils (SVO) are not recommended for direct diesel engine application due to their higher viscosity, poor volatility etc. and dilution of straight vegetable oil may effectively enable its direct application in unmodified diesel engines. In the present study, Jatropha oil was diluted with n-Butanol to improve the fuel properties of the blend.
Journal Article

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

2013-09-08
2013-24-0105
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

2013-04-08
2013-01-1041
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

2013-04-08
2013-01-1132
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.
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