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Numerical Study on Nitrogen Oxide and Black Carbon Reduction of Marine Diesel Engines Using Emulsified Marine Diesel Oil

Author

Listed:
  • Iksoo Choi

    (STX engine Ltd. Changwon-ci, Kyungsangnamdo 51574, Korea)

  • Changhee Lee

    (Department of Mechanical and Shipbuilding Convergence Engineering, Pukyong National University, Busan 48547, Korea)

Abstract

In this study, the exhaust gas characteristics of marine diesel oil (MDO) and emulsion fuels, which are currently used to reduce nitrogen oxides and particulate matters emitted from ship engines, were investigated through experimental and numerical analyses. The moisture included in the emulsion fuel primarily promotes the atomization of fuel due to microexplosion, and lowers the combustion temperature due to the latent heat of evaporation from the evaporation of moisture, thus reducing nitrogen oxides and particulate matter. In the case of emulsion fuel containing a water content of 16%, the combustion temperature was lowered, and the reduction rate of nitrogen oxide and black carbon was about 60% and 15%, respectively. The proposed method is a combustion control technology that can reduce particulate matter as well as nitrogen oxides by using emulsion fuel.

Suggested Citation

  • Iksoo Choi & Changhee Lee, 2019. "Numerical Study on Nitrogen Oxide and Black Carbon Reduction of Marine Diesel Engines Using Emulsified Marine Diesel Oil," Sustainability, MDPI, vol. 11(22), pages 1-17, November.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:22:p:6347-:d:286170
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    References listed on IDEAS

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    1. Jungmo Oh & Myeonghwan Im & Seungjin Oh & Changhee Lee, 2019. "Comparison of NOx and Smoke Characteristics of Water-in-Oil Emulsion and Marine Diesel Oil in 400-kW Marine Generator Engine," Energies, MDPI, vol. 12(2), pages 1-15, January.
    2. Chelemuge, & Namioka, Tomoaki & Yoshikawa, Kunio & Takeshita, Masanori & Fujiwara, Koichi, 2012. "Commercial-scale demonstration of pollutant emission reduction and energy saving for industrial boilers by employing water/oil emulsified fuel," Applied Energy, Elsevier, vol. 93(C), pages 517-522.
    3. Moonchan Kim & Jungmo Oh & Changhee Lee, 2018. "Study on Combustion and Emission Characteristics of Marine Diesel Oil and Water-In-Oil Emulsified Marine Diesel Oil," Energies, MDPI, vol. 11(7), pages 1-16, July.
    4. Park, Sangki & Woo, Seungchul & Kim, Hyungik & Lee, Kihyung, 2016. "The characteristic of spray using diesel water emulsified fuel in a diesel engine," Applied Energy, Elsevier, vol. 176(C), pages 209-220.
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