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Research Article Open Access

Comparative Performance and Emission Analysis of Different Blends of Karanja Oil and Its Methyl Ester in a Twin Cylinder Diesel Engine


In the present work, an experimental investigation is carried out to evaluate the performance and emission characteristics of a twin cylinder diesel engine using different blends of Karanja oil and its methyl ester with fossil diesel under different load conditions. Both the fuels are blended with diesel in proportions of 10% and 20% each by mass and studied under various load conditions in engine. The study reveals that the performance parameters are very close to that of fossil diesel. However, the brake thermal efficiency and brake specific energy consumption of 20% blend of methyl ester are better than fossil diesel under certain loads. The emission characteristics are also studied and found that all blended fuels show better emissions than pure diesel except K20 which shows higher CO emission compared to base line diesel. Again, it is observed that blending up to 20% both in neat oil as well as bio-diesel can be accepted as a suitable fuel for use in standard diesel engines without any engine modification.

Chandrakanta Nayak

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