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Effects of Decanol Blended Diesel Fuel on Engine Efficiency and Pollutant Emissions

Author

Listed:
  • Kwonwoo Jang

    (Technical Research Laboratories, POSCO, 6261 Donghaean-ro, Pohang 37859, Republic of Korea)

  • Jeonghyeon Yang

    (Department of Mechanical System Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong 53064, Republic of Korea)

  • Beomsoo Kim

    (Department of Mechanical System Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong 53064, Republic of Korea)

  • Jaesung Kwon

    (Department of Mechanical System Engineering, Gyeongsang National University, 2 Tongyeonghaean-ro, Tongyeong 53064, Republic of Korea)

Abstract

This study examined the effects of blending decanol, an oxygenated fuel, with diesel on diesel engine performance and emissions. Experiments were conducted on a single-cylinder engine at 1700 rpm and 2700 rpm, using diesel/decanol blends at 10%, 30%, and 50% by volume (D90de10, D70de30, D50de50). Results showed that brake thermal efficiency decreased with higher decanol ratios at low speeds. As a result, brake specific fuel consumption and brake specific energy consumption increased due to decanol’s lower calorific value. Regarding emissions, decanol blending reduced NO x , CO, HC, and smoke. NO x emissions were lowered by the cooling effect resulting from decanol’s higher latent heat of vaporization and lower calorific value, especially at low speeds. CO and HC emissions declined as decanol’s oxygen content promoted oxidation, reducing incomplete combustion. Smoke emissions were minimized in fuel-rich zones by preventing unburned carbon particle formation. This study highlights decanol’s potential as an eco-friendly diesel blending option. Future work should optimize blending ratios and injection settings to enhance diesel engine performance.

Suggested Citation

  • Kwonwoo Jang & Jeonghyeon Yang & Beomsoo Kim & Jaesung Kwon, 2024. "Effects of Decanol Blended Diesel Fuel on Engine Efficiency and Pollutant Emissions," Energies, MDPI, vol. 17(24), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:24:p:6223-:d:1540696
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    References listed on IDEAS

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