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Feasibility Study of Biodiesel Synthesis from Waste Ayurvedic Oil: Its Evaluation of Engine Performance, Emission and Combustion Characteristics

  • R. Balakumar
  • G. Sriram
  • S. ArumugamEmail author
Research Article - Mechanical Engineering
  • 13 Downloads

Abstract

The idea of transforming waste into a useful energy source is gaining reputation in recent years. The present work is intended to analyze the feasibility of using waste ayurvedic oil (WAO) biodiesel as diesel engine fuel which would reduce the environmental issues caused by the disposal of WAO over the ground. An ultrasound-assisted transesterification process was implemented for the synthesis of WAO biodiesel. The performance, emission and combustion characteristics of direct injection, single-cylinder diesel engine fueled with diesel, blends of diesel and WAO biodiesel with the concentrations of 10% (WAO10), 15% (WAO15) and 20% (WAO20) by volume were investigated at three different fuel injection pressures of 180, 200 and 220 bar. At full load conditions and a rated injection pressure of 200 bar, the maximum brake thermal efficiency was attained by 36.61%, 33.18%, 34.14% and 36.27%, respectively, for diesel, WAO10, WAO15 and WAO20. Emission results showed that carbon monoxide, hydrocarbon and smoke opacity were noted to have been reduced by 4%, 33.3% and 8.9%, respectively, for WAO20 than that of diesel, while the NOx emission was found elevated by about 4.5%.

Keywords

Waste ayurvedic oil Biodiesel Diesel engine Fuel injection pressure Ultrasonication 

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Copyright information

© King Fahd University of Petroleum & Minerals 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringSri Chandrasekharendra Saraswathi Viswa MahavidyalayaKanchipuramIndia

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