scholarly journals Performance and Emission Characteristics of Cotton Seed and Hexanol Oil Biodiesel with CeO2 Additives on Single Cylinder Diesel Engine

Author(s):  
M. Anilkumar ◽  
K. Prahladarao

Energy utilization from renewable sources plays a vital role to meet the demands of theclean environment. Commercialization of biodiesel is comparatively less than the otheralternative sources due to its suitability and yield. In this paper, it is focused on performance and emission characteristics of cotton seed and hexanol oil biodiesel and in blended withcerium oxide as an additive. The blending proportion was made as B10, B15, B20, and100% Diesel. The testing was performed in Single cylinder four stroke diesel engine. The Performance characteristics were obtained in between the brake power withspecific fuel consumption and emission characteristics such as HC CO and NOXand other gases. It was observed that the combination of B15 proportion with CeO2 blendproduces effect results with other blends in specific fuel consumption and reduced emissionbehavior.

Author(s):  
V. Anandram ◽  
S. Ramakrishnan ◽  
J. Karthick ◽  
S. Saravanan ◽  
G. LakshmiNarayanaRao

In the present work, the combustion, performance and emission characteristics of sunflower oil, sunflower methyl ester and its blends were studied and compared with diesel by employing them as fuel in a single cylinder, direct injection, 4.4 KW, air cooled diesel engine. Emission measurements were carried out using five-gas exhaust gas analyzer and smoke meter. The performance characteristics of Sunflower oil, Sunflower methyl ester and its blends were comparable with those of diesel. The components of exhaust such as HC, CO, NOx and soot concentration of the fuels were measured and presented as a function of load and it was observed that the blends had similar performance and emission characteristics as those of diesel. NOx emissions of sunflower oil methyl ester were slightly higher than that of diesel but that of sunflower oil was slightly lower than that of diesel. With respect to the combustion characteristics it was found that the biofuels have lower ignition delay than diesel. The heat release rate was very high for diesel than for the biofuel.


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