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Influence of an iron fuel additive on the performance and emissions of a DI diesel en

ABSTRACT Participant Name : Manickam. AR Title of Paper : Influence of an iron fuel additive on the performance and emissions of a DI diesel engine. Project Work Carried out at College of Engineering, Anna University, Chennai “ 600 025, South India for the course, Master of Engineering in Internal Combustion Engineering, May 2007. This program used a twin cylinder 0.6 litre DI NA diesel engine to study the influence of ferrocene as a fuel additive on performance Characteristics and particulate and Nox emissions. Diesel fuel additives are used for a wide variety of purposes, however they can be grouped into four major categories: · Engine performance · Fuel stability · Fuel handling · Contaminant control In the category of improving engine performance there is a fuel additive which is ferrocene a combustion improver. In the presence study ferrocene was used as a fuel additive with diesel in 25 ppm and 250 ppm composition by weight. Performance and emission characteristic were studied. In the category of fuel additives there are metal containing additives. These are most commonly used to improve performance. The metal concentrations used in some of these test have been greater than 1000 rpm which is excessive. These high doses found an increase in total particulate mass emitted. Another diesel performance improvement technique is heterogeneous in cylinder catalysis with platinum. It suggested that simple presence of a catalytic metal is not sufficient to provide combustion modification. Ferrocene is a unique compound having iron content of 30% by weight, no oxygen in the molecule and thermal and oxidative stability. Studies show that it has good combustion catalytic activity. In the presence work ferrocene was used as an additive in various ratios with diesel fuel and performance and emissions studies were carried out in a DI Diesel Engine. The experiment was conducted with ferrocene as additive with diesel in a fourstroke, twin cylinder, water cooled, direct injection diesel engine. The following conclusions are drawn based on the experimental results: Ø NOx and smoke reduced with increasing percentage of ferrocene as additive with simultaneous increase in the brake thermal efficiency. Ø The use of ferrocene as additive influences the combustion process. Ø When 250 ppm dose there is increased in particulate emission is observed. Ø At 25 ppm dose NOx is reduced and performance is increased. Ø At 25 ppm is the optimum does of ferrocene with diesel.

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