Comprehensive study of engine characteristics of novel biodiesel from curry leaf (Murraya koenigii) oil in ceramic layered diesel engine

Karthickeyan Viswanathan, B. Ashok, Arivalagan Pugazhendhi

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

In this study, renewable alternative fuel was produced from curry leaf (Murraya koenigii) oil using transesterification technique in the presence of catalyst along with alcohol. The important properties of produced biodiesel were explored in accordance with ASTM and further chemical compositions were explored by means of FTIR and GC–MS analyses. Four different fuel blends like B25, B50, B75 and B100 were developed. To enhance the study, combustion chamber components were transferred into low heat rejection unit by employing thermal barrier coating with Yttria stabilized zirconia. TBC was achieved by means of atmospheric plasma spray coating technique. The engine used for present work was a fully computerized diesel engine with direct injection technique. In coated engine, B25 showed 0.49% of increased thermal efficiency with 0.015 kg/kWh of decreased fuel consumption. Lower tail pipe emissions like carbon monoxide, hydrocarbon and smoke (except NOx) were noticed in ceramic layered engine than uncoated engine. B25 showed improved engine combustion characteristics like combustion chamber pressure, heat release rate and mean gas temperature in ceramic layered condition owing to short ignition delay, elevated combustion temperature, improved turbulence and oxygen presence in the fuel. On the whole, B25 blend experienced more favouring engine characteristics coated engine and B25 with engine modification technique may be recommended as a promising renewable alternative fuel for conventional diesel with minimum blending condition.

Original languageEnglish
Article number118586
JournalFuel
Volume280
DOIs
Publication statusPublished - 2020 Nov 15

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry

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