e-ISSN: 2582-5208 International Research Journal of Modernization in Engineering Technology and Science Volume:02/Issue:09/September -2020
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METHODOLOGY
Lemon grass and Ginger grass oils were bought from the local market of Chennai. Both the oils were esterified using the transestrification method. The base catalysed trans-esterification process is the reaction of a triglyceride (Fat/oil) with an alcohol to form ester and glycerol in the presence of a base catalyst, which in most of the cases is either Potassium Hydroxide (KOH). Or sodium hydroxide (NaOH) to remove free fatty acids and to get properties closer to the diesel with reduced viscosity. The oil properties were checked after the oils were esterified and the free fatty acid value is 0.312 for Lemon grass oil and o.243 for Lemon grass oil. The transesterification process was followed by magnetic stir ration which is a common technique used to mix liquids. A magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar ( also called “flea�) immersed in a liquid to spin very quickly at a speed of 1200 rpm at room temperatures, thus stirring it. The rotating field created by a rotating magnet placed beneath the vessel with the liquid. Totally six samples namely A10, A20, A30, C10, C20 and C30 were prepared. C10 contains a mixture of 90% of diesel, 10% of Lemon grass biodiesel and cerium oxide nano additive 30 ppm. C20 contains a mixture of 80% of diesel, 20% of Lemon grass biodiesel and 30 ppm of cerium oxide nano additive. C30 contains a mixture of 70% of diesel, 30% of Lemon grass bio diesel and 30 ppm of cerium oxide. A10 contains a mixture of 90% of diesel, 10% of Ginger grass biodiesel and 30 ppm of cerium oxide nano additive. C20 contains a mixture of 80% of diesel, 20% of Ginger grass biodiesel and 30 ppm of cerium oxide nano additive. A30 contains a mixture of 70% of diesel, 30% of Lemon grass biodiesel and 30 ppm of cerium oxide nano additive. All three samples allowed mixing in the magnetic stirring machine for 30 minutes each. After 20 minutes all the six samples were ready to test in the engine.
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EXPERIMENTAL SET UP
A single-cylinder has 4-stroke, direct injection Kirloskar TV1 diesel engine with a maximum rated output of 5.20 kW at 1500 rpm was utilized to obtain the set of experimental data required .The engine has a compression ratio of 17.5. The engine has a swept volume of 661.45 (cc), bore diameter of the engine is 87.50 mm and stroke length of 110.00 mm. Injection pressure is 210 bar maintained constantly throughout the process.
Figure1: Engine Setup Table 1. Engine Specification Engine model Kirloskar TV1 Power 5.20 kW Speed 1500 rpm Number of cylinders Single Cylinder Number of stroke 4 stroke
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