Analysis of Performance Characteristics of Thermal Barrier Coated Diesel Engine Fuelled with Karanja Bio-Diesel
Keywords:TBC, low heat rejection engine, karanja oil
In the last few years demand of petroleum products is increasing day by day. As the fossil fuels are getting depleted day by day, there is an increase in crude oil price. As a result biodiesel is making its place as a future fuel. Biodiesel is popular as a pure fuel alternative (B100) or as blend with petroleum based diesel fuel. When biodiesel is blended with petroleum based diesel, it adds lubricity, a desirable feature, decreased when sulphur is removed. Thermal barrier coatings (TBC) are materials which are applied on the metallic surfaces, such as on engine components, operating at elevated temperatures. These coatings insulate engine components from large and prolonged heat loads by utilizing thermally insulating materials which can sustain an appreciable temperature difference between the load bearing alloy and the coating surface .In this work, the comparative effect of performance characteristics of standard compression ignition engine (STD) and zirconia coated low heat rejection (LHR) engine using both diesel and karanja oil are investigated. Plasma spray technique is used to deposit zirconia on piston of the test engine. The effect of Karanja biodiesel is analysed.The experimental work is carried out on 4 stroke single cylinder diesel engine. The result showed improved efficiency, reduced heat transfer to coolant and low emission.
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Copyright (c) 2017 Neha Panthi, Rajiv Saxena, Dr. R.R Lal
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