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Research Paper | Mechanical Engineering | India | Volume 4 Issue 5, May 2015

Combustion Modeling of Biodiesel Fuelled Direct Injection CI Engine

Tushar Naitam | M. M. Deshmukh ^[3]

Abstract: Increasing of costly and depleting fossil fuels are prompting researchers to use edible as well as non edible vegetable oils as a promising alternative to petro-diesel fuels. Biodiesel and its blends are considered as suitable and most promising fuel for diesel engine. The properties of biodiesel found similar to that of diesel. A comprehensive computer code using -C- language was developed for CI engine. Experimental investigation is carried out on four stroke, single cylinder direct injection CI engine. In this analysis 10 % to 40 % raw oil (derived from Karanja seeds) blended with diesel and used as working fuel. Combustion characteristics such as cylinder pressure, temperature and heat release rate were analyzed. On the basis of the first law of thermodynamics the properties at each degree crank angle was calculated. Suitable correlations and models are used to find out the combustion parameters. Wiebe model is used to predict the instantaneous heat release rate. The predicted results are found satisfactory with the experimental result.

Keywords: Transesterification, CI engine, Numerical modeling, Combustion parameters, Simulation

Edition: Volume 4 Issue 5, May 2015,

Pages: 288 - 293

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