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Exploiting Lubricant Formulation to Reduce Particle Emissions from Gas Powered Engines

Author

Listed:
  • Chiara Guido

    (National Research Council—Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), 80125 Naples, Italy)

  • Pierpaolo Napolitano

    (National Research Council—Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), 80125 Naples, Italy)

  • Davide Di Domenico

    (National Research Council—Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), 80125 Naples, Italy
    Department of Engineering, University of Naples “Parthenope”, 80133 Naples, Italy)

  • Dario Di Maio

    (National Research Council—Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), 80125 Naples, Italy)

  • Carlo Beatrice

    (National Research Council—Institute of Sciences and Technologies for Sustainable Energy and Mobility (CNR-STEMS), 80125 Naples, Italy)

  • Bruno Griffaton

    (TotalEnergies—Centre de Recherche Solaize, Chemin du Canal-BP22, 69360 Solaize, France)

  • Nicolas Obrecht

    (TotalEnergies—Centre de Recherche Solaize, Chemin du Canal-BP22, 69360 Solaize, France)

Abstract

The present paper illustrates the results of an experimental study aimed at evaluating the effect of lubricant oil features on the emissive behaviour of a heavy duty spark ignition engine fuelled with methane. The activity was performed within a research project between CNR-STEMS and TotalEnergies in which oils with different formulations were characterized, focusing on their potentiality in particle emission reduction. Considering the ultralow particle emission level in the exhaust of gas engines, a specific testing procedure was designed to guarantee highly reliable and accurate results. In particular, the engine was operated under transient conditions, along the World Harmonized Transient Cycle in cold- and hot-start conditions. The results of the test campaign clearly highlight that the lubricant formulation is a key technology for the control of particles, revealing this as an important aspect in view of the upcoming severe regulation limits on particle emissions. The experimental findings show the capability of reformulated oils to drop down the total particle number to 60–70% with respect to a baseline standard oil. The interest in the present study also lies in providing information extendable to more sustainable fuels, like hydrogen or biomethane, nowadays of great interest as alternative energy sources.

Suggested Citation

  • Chiara Guido & Pierpaolo Napolitano & Davide Di Domenico & Dario Di Maio & Carlo Beatrice & Bruno Griffaton & Nicolas Obrecht, 2024. "Exploiting Lubricant Formulation to Reduce Particle Emissions from Gas Powered Engines," Energies, MDPI, vol. 17(15), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:15:p:3781-:d:1447096
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    References listed on IDEAS

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    1. Guido, Chiara & Napolitano, Pierpaolo & Alfuso, Salvatore & Corsetti, Corrado & Beatrice, Carlo, 2021. "How engine design improvement impacts on particle emissions from an HD SI natural gas engine," Energy, Elsevier, vol. 231(C).
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