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Effect of nano additives (titanium and zirconium oxides) and diethyl ether on biodiesel-ethanol fuelled CI engine

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Abstract

The present work is dedicated to the comparative experimental study of biodiesel-ethanol blends in a compression ignition engine using TiO2 (Titanium oxide) nanoparticle, ZrO2 (Zirconium oxide) nanoparticle and DEE (Diethyl ether) additives. The test fuels used are a blend of biodiesel (80%) -ethanol (20%) (denoted as BE), a blend of BE with 25 ppm Titanium oxide nanoparticle (denoted as BE-Ti), a blend of BE with 25 ppm Zirconium oxide nanoparticle (denoted as BE-Zr) and a blend of BE with 50 ml Diethyl ether (denoted as BE-DEE). Addition of nanoparticles increases the oxidation rate, reduces the light-off temperature and creates large contact surface area with the base fuel thereby enhancing the combustion with minimal emissions. Experimental results shown that addition of Titanium nanoparticles increased NOx, HC and smoke with lowered BSFC and CO. Whereas addition of Zirconium nanoparticles increases BSFC and HC emissions with lowered CO, CO2 and smoke emissions in comparison with BE blends. DEE addition to BE blends improved the heat release rate and increased HC, CO emissions were observed with lowered BSFC, NOx and smoke. Simultaneous reduction of NOx and smoke indicates the effect of DEE on Low temperature combustion (LTC).

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Authors and Affiliations

  1. Institute for Energy Studies, Department of Mechanical Engineering, Anna University, Chennai, 600025, India

    Harish Venu & Venkataramanan Madhavan

Authors
  1. Harish Venu
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  2. Venkataramanan Madhavan
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Correspondence to Harish Venu.

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Recommended by Associate Editor Jeong Park

Harish Venu received his Bachelors (B.E) and Masters degree (M.E) in Mechanical Engineering from the Mechanical Engineering Department of St. Joseph’s college of engineering and Anna University in 2011 and 2013, respectively. In July 2013, he started his Ph.D. program in Mechanical Engineering at Anna University, Chennai, India. His research interest includes biofuels, alternative fuels, nano additives, internal combustion engines and fuel cells.

Venkataramanan Madhavan received his Bachelors degree (B.E) in Madras University in 1998 and Masters degree (M.Tech) in School of Energy in 2000. He completed his doctorate in 2008 in area of Biomass Gasification. His research interests includes gasification, solar cells, alternative fuels and energy conservation.

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Venu, H., Madhavan, V. Effect of nano additives (titanium and zirconium oxides) and diethyl ether on biodiesel-ethanol fuelled CI engine. J Mech Sci Technol 30, 2361–2368 (2016). https://doi.org/10.1007/s12206-016-0446-5

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  • DOI: https://doi.org/10.1007/s12206-016-0446-5

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