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Experimental Investigation of Performance Characteristics and Emission Testing using Cotton Seed and Coconut Oil as Bio-Diesel

K. Vijayendiran*, Sushil Samuel Dinesh **, R. Vignesh Kanna ***

*-*** Department of Mechanical Engineering, SRM Valliammai Engineering College, Chennai, Tamil Nadu, India.

Periodicity:August - October'2021
DOI : https://doi.org/10.26634/jme.11.4.18097

Abstract

Coconut is one of the major agricultural resources in the countries with large coastal areas like India and Sri Lanka. India is the largest producer of cotton in the world. Bio-diesel were produced using equal blends of cotton seed oil and coconut oil with methanol by a process known as transesterification (Oil to methanol ratio = 1:6). Three blends of bio fuel (B10, B20 and B100) were tested using a diesel engine with variable compression ratio for diesel engine (Kirloskar TV-1). Experiments were conducted and the performance and emission characteristics were determined. The performance characteristics of the diesel fuel were also determined in order to compare the performance of bio-diesel blends with diesel. The parameters that were determined are indicated power, brake power, brake thermal efficiency, mechanical efficiency, indicated thermal efficiency, calorimeter water heat transfer, engine water heat transfer and exhaust water heat transfer. Emissions tests were also carried out to find the various gas emissions from the biodiesel. Based on the experiments, it has been found that the indicated power and brake power of all bio diesel blends were marginally higher than that of diesel. Although diesel provided marginally better mechanical efficiency, the brake thermal efficiency and indicated thermal efficiency of bio-diesel blends were significantly higher than that of diesel. Also, the engine water heat transfer, calorimeter water heat transfer and exhaust gas heat transfer of diesel were found to be higher than that of bio-diesel. Out of all tested bio-diesel blends, B20 has been found to be the most environmental friendly fuel with the least CO₂ and NO_x emissions.

Keywords

Biodiesel, Indicated Thermal Efficiency, Brake Thermal Efficiency, Exhaust Emission.

How to Cite this Article?

Vijayendiran, K., Dinesh, S. S., and Kanna, R. V. (2021). Experimental Investigation of Performance Characteristics and Emission Testing using Cotton Seed and Coconut Oil as Bio-Diesel. i-manager's Journal on Mechanical Engineering, 11(4), 31-40. https://doi.org/10.26634/jme.11.4.18097

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