Journal of Environmental Biology

Effect of turbocharger on C.I engine performance and emissions using biodiesel blend

S. Pasupathy Raju, S. Somasundaram and T. Mohan Raj

 School of Mechanical Engineering, SASTRA University, Tanjavur-613 401, India

*Corresponding Author E-mail: pasupathyraju@mech.sastra.edu

 Publication Data

Paper received:

21 September 2015

Revised received:

28 June 2016

Accepted:

20 August 2016

Abstract

The scarcity of known petroleum reserves makes renewable energy resources more important. The most feasible way to meet this growing demand is by utilizing alternative fuels. Biodiesel is mono-alkyl esters of vegetable oils or animal fats. Biodiesel is the best alternative for diesel engines. The biggest advantage that biodiesel has over gasoline and diesel is that it is environmental friendly. Biodiesel burns similar to dieselas it concerns regulated pollutants. On the other hand, biodiesel probably has better efficiency than diesel. In the present study, Tamanu oil was selected as an alternative fuel which was produced by esterification and transesterification methods. The objective of the present study was to analyse the performance, emission characteristics in a single cylinder diesel engine with esterified tamanu oil and its blend with standard diesel. In addition to that turbocharger was fitted to the CI engine and their performance and emission characteristics were compared with and without turbocharger. The performance parameters indicated thermal efficiency, brake thermal efficiency, specific fuel consumption, volumetric efficiency and emission parameters included CO, CO₂, HC, and NO_x concentrations. The results of the experiment were analyzed and it confirmed to considerable improvement with turbocharger using biodiesel blend in the performance parameters, as well as in reduced exhaust emissions.   

 Key words

Biodiesel blend, CI engine, Emission, Performance, Turbocharger

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