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Nanotechnology

Nanoparticles Enhance Diesel Engine Performance and Reduce Emissions

Strategic Insights

— 1 min read

Researchers at the Sathyabama Institute of Science and Technology in Chennai, India, have conducted a study examining the effects of combining pyrolysis oil, Ce2O3 nanoparticles, and hydrogen as a secondary fuel in diesel engines. The study aimed to assess the performance, combustion, and emissions characteristics of diesel engines fueled with pyrolysis oil. The researchers found that the addition of Ce2O3 nanoparticles increases the latent heat of vaporization of the pyrolysis-based fuel blends, promoting complete combustion and reducing overall combustion rates. Additionally, the inclusion of nanoparticles and hydrogen enhances oxygen concentration in the blends, resulting in lower CO and HC emissions.

Key Takeaways:

  • The study examined the combination of pyrolysis oil, Ce2O3 nanoparticles, and hydrogen as a secondary fuel in conventional diesel engines.
  • The addition of Ce2O3 nanoparticles increases the latent heat of vaporization of the pyrolysis-based fuel blends, promoting complete combustion.
  • The inclusion of nanoparticles and hydrogen enhances oxygen concentration in the blends, resulting in lower CO and HC emissions.
  • The study found a significant reduction in CO and HC emissions, but no decrease in NOx emissions.
  • The researchers measured engine performance and emissions using continuous monitoring of engine noise and vibration data.
  • The study suggests that nanoparticles can be used to improve diesel engine performance and reduce emissions.
  • The use of pyrolysis oil and nanoparticles has potential applications in the development of sustainable energy sources.

Statistics:

  • The researchers injected 30 L per minute of hydrogen gas into the diesel engine throughout the study.
  • The study used 10% and 30% fractions of pyrolysis oil by continuously monitoring engine noise and vibration data.
  • The inclusion of Ce2O3 nanoparticles increased the latent heat of vaporization of the pyrolysis-based fuel blends by preventing rapid evaporation.
  • The study found a reduction in CO emissions from 0.2% to 0.1% and a reduction in HC emissions from 0.5% to 0.3%.

Sources:

  • VerticalNews (2025)
  • Renewable Energy (2025)
  • Sathyabama Institute of Science and Technology
  • NewsRx LLC
  • Elsevier (www.elsevier.com)
  • Journals.elsevier.com (www.journals.elsevier.com/renewable-energy)

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