Abstract
Demand for energy is increasing due to the development of industries, expanding urbanization, and population growth which further increases the use of fossil fuel in large amount. This also affects an environmental pollution and engine sector too. In internal combustion (IC) engines, alternative fuel blends has one of the most important decision for balancing a number of opinions and criteria for making different strategic decision by an engine expert. Choice of alternative sources of suitable blending of biodiesel and biodiesel plays an important role in engine sector. In this paper, discuss the Multi Criteria Decision Making (MCDM) techniques is used for selecting the best alternative blend of Karanja methyl ester biodiesel to fulfil the demand in IC engine sector. Optimization was done by using of VIKOR (Visekriterijimsko Kompromisno Rangiranje) and TOPSIS (technique for order performance by similarity to ideal solution) techniques. The parameter considered for optimization includes brake thermal energy, brake specific fuel consumption at different load at different compression ratio as input. Emission parameters as carbon mono oxide un burnt hydrocarbon, carbon di-oxide, oxygen and oxides of nitrogen was also determined. A productive examination of the procedure and positioning of choices can be accomplished for enhancement blends choice through TOPSIS and VIKOR techniques. Starting with normalized and weighted normalized decision matrix, positive and negative ideal solution, the distance of alternative from positive and negative ideal solution was calculated and closeness coefficient of alternative in the form of ranking of alternative was done. It was found that a mix B75 was the most appropriate blend for Karanja biodiesel for best use in CI engine without influencing the emission and performance parameters.
Highlights
Compression ignition (CI) engine plays an important role in many fields including automobiles, marine propulsion, industrial, domestic needs [1]
Efforts are on top to discover the alternative sources of energy to fulfil
Smoke: Molecular structure of the biodiesel, smoke emission depends on the content of oxygen due to the thermal cracking process; smoke emission is generated with long-chain of HC molecules in an oxygen incomplete combustion environment
Summary
Compression ignition (CI) engine plays an important role in many fields including automobiles, marine propulsion, industrial, domestic needs [1]. With increasing demand of transportation and population, the demand for energy is increasing. For both developed and growing economies, the demand for energy is growing rapidly [2-4]. Efforts are on top to discover the alternative sources of energy to fulfil. Mukul Agarwal*, Department of Mechanical Engineering, Meerut Institute of Engineering & Technology, Meerut (UP), India.
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