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Thermal Analysis and Experimental Investigations on the Effect of Thermal Barrier Coating on the Behavior of a Compression Ignition Engine Operated with Methyl Esters of Waste Cooking Oil

Hindustan Institute of Technology & Science-Sangeethkumar Elumalai, Jaikumar Mayakrishnan, Sasikumar Nandagopal, Selvakumar Raja, Sudip Mukherjee
Published 2018-04-03 by SAE International in United States
One of the globally challenging issues today is Waste Utilization. The excessive accumulation of waste has created an uncomfortable pressure on not, just the habitant but on the environment as well. As a small step forward in contributing towards minimizing waste disposal, this study attempts to address the problem raised due to the disposal of waste cooking oil. Researchers found that Waste Cooking Oil (WCO) has a very good potential as a fuel for compression ignition engine and was therefore selected for this study. In the first phase of the work, behaviour of the test engine was studied with neat WCO at different power outputs. As the first modification, neat WCO was converted in to its methyl ester and tested in the same engine. Next, combustion chamber parts like piston and cylinder head, inlet and exhaust valves were coated with Thermal Barrier Coating (TBC) and engine behaviour was studied. To make the study more interesting a thermal- stress analysis was done on the engine piston to examine the impact of coating on engine performance. Results…
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Experimental Investigation on Effect of Nano Fluids in the Behaviour of a Compression Ignition Engine Fueled with Diesel Biofuel Blends

Hindustan Institute of Technology & Science-Sasikumar Nandagopal, Jaikumar Mayakrishnan
Anna University-Senthil Kumar Masimalai
Published 2018-04-03 by SAE International in United States
Depletion of fossil fuels and amendment of strict emission norms demand for the development of new technologies in ensuring effective utilization of existing renewable energy resources. Nanotechnology is one such new tool which finds wide application in automobile industries. Light weight in nature, high degree of durability, toughness and wear resistance makes the usage of nanomaterials wide spread. In view of above points, an attempt was made in this study to experimentally investigate the effect of inclusion of Nano fluids on the behavior of a compression ignition engine fuelled with diesel biofuel blends. In this work Cashew Nut Shell Oil (CNSO) is chosen as the biofuel as its calorific value found to be very close to diesel. Initially CNSO and Neat Diesel (ND) are blended at different proportion and CNSO40 is claimed as the best blend as it holds a stability period of more than a week. In the second phase of the work engine was tested for its performance, emission and combustion behavior with ND and CNSO40 at 20%, 40%, 60%, 80% and 100%…
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