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Effects of Diethyl Ether Introduction in Emissions and Performance of a Diesel Engine Fueled with Biodiesel-Ethanol Blends

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  • Márcio Carvalho

    (Polytechnic School, Industrial Engineering Postgraduate Program, Federal University of Bahia, Rua Aristides Novis, 2, Federação, Salvador 40210-630, Brazil
    Multidisciplinary Campus of Bom Jesus da Lapa, Federal University of West of Bahia, Av. Manoel Novaes, 1064, Bom Jesus da Lapa 47600-000, Brazil)

  • Felipe Torres

    (Polytechnic School, Industrial Engineering Postgraduate Program, Federal University of Bahia, Rua Aristides Novis, 2, Federação, Salvador 40210-630, Brazil
    Department of Mechanical Systems, Federal University of Reconcavo of Bahia, Rua Rui Barbosa, 710, Centro, Cruz das Almas 44380-000, Brazil)

  • Vitor Ferreira

    (Institute of Science, Technology and Innovation, Federal University of Bahia, Rua do Telegráfo S/N, Camaçari 42809-000, Brazil)

  • Júlio Silva

    (Department of Mechanical Engineering, Federal University of Bahia, Rua Aristides Novis, 2, Federação, Salvador 40210-630, Brazil)

  • Jorge Martins

    (Department of Mechanical Engineering, Minho University, Av. da Universidade, Guimarães 4800-058, Portugal)

  • Ednildo Torres

    (Department of Chemical Engineering, Federal University of Bahia, Rua Aristides Novis, 2, Federação, Salvador 40210-630, Brazil)

Abstract

Biofuels provide high oxygen content for combustion and do modify properties that influence the engine operation process such as viscosity, enthalpy of vaporization, and cetane number. Some requirements of performance, fuel consumption, efficiency, and exhaust emission are necessary for the validation of these biofuels for application in engines. This work studies the effects of the use of diethyl ether (DEE) in biodiesel-ethanol blends in a DI mechanical diesel engine. The blends used in the tests were B80E20 (biodiesel 80%-ethanol 20%) and B76E19DEE5 (biodiesel 76%-ethanol 19%-DEE 5%). Fossil diesel (D100) and biodiesel (B100) were evaluated as reference fuels. The results revealed similar engine efficiencies among tested fuels at all loads. The use of B100 increased CO and NO x and decreased THC compared to D100 at the three loads tested. B80E20 fuel showed an increase in NO x emission in comparison with all fuels tested, which was attributed to higher oxygen content and lower cetane number. THC and CO were also increased for B80E20 compared to B100 and D100. The use of B76E19DEE5 fuel revealed reductions in NO x and CO emissions, while THC emissions increased. The engine efficiency of B76E19DEE5 was also highlighted at intermediate and more elevated engine load conditions.

Suggested Citation

  • Márcio Carvalho & Felipe Torres & Vitor Ferreira & Júlio Silva & Jorge Martins & Ednildo Torres, 2020. "Effects of Diethyl Ether Introduction in Emissions and Performance of a Diesel Engine Fueled with Biodiesel-Ethanol Blends," Energies, MDPI, vol. 13(15), pages 1-14, July.
  • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3787-:d:388718
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    References listed on IDEAS

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    1. Krzysztof Górski & Ruslans Smigins & Rafał Longwic, 2020. "Research on Physico-Chemical Properties of Diethyl Ether/Linseed Oil Blends for the Use as Fuel in Diesel Engines," Energies, MDPI, vol. 13(24), pages 1-16, December.
    2. Felipe Andrade Torres & Omid Doustdar & Jose Martin Herreros & Runzhao Li & Robert Poku & Athanasios Tsolakis & Jorge Martins & Silvio A. B. Vieira de Melo, 2021. "A Comparative Study of Biofuels and Fischer–Tropsch Diesel Blends on the Engine Combustion Performance for Reducing Exhaust Gaseous and Particulate Emissions," Energies, MDPI, vol. 14(6), pages 1-19, March.

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