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Comparison of NOx and Smoke Characteristics of Water-in-Oil Emulsion and Marine Diesel Oil in 400-kW Marine Generator Engine

Author

Listed:
  • Jungmo Oh

    (Division of Marine Engineering, Mokpo National Maritime University, Mokpo 58628, Korea)

  • Myeonghwan Im

    (Division of Marine Engineering, Mokpo National Maritime University, Mokpo 58628, Korea)

  • Seungjin Oh

    (Division of Marine Engineering, Mokpo National Maritime University, Mokpo 58628, Korea)

  • Changhee Lee

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

Abstract

Currently, the exhaust gas of a ship is regulated for nitrogen oxides and sulphur compounds; however, there is no IMO regulation on smoke under discussion. This study investigated the reduction of exhaust gas through ship emulsion fuel, which can simultaneously reduce nitrogen oxides and smoke in ship engines before smoke regulations are established. The combustion and exhaust characteristics were investigated according to the moisture content of emulsion fuel using a 400-kW generator engine. As the water content of the emulsion and the temperature of the combustion chamber increase, micro explosion increases and the combustion period decreases. The nitrogen oxide and smoke from the emulsion fuel used in this study decreased by 7% and 75%, respectively. The nitrogen oxides and soot reductions obtained by the use of emulsion fuel were boosted by micro-explosion of water contained in the fuel during combustion.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:2:p:228-:d:197189
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    References listed on IDEAS

    as
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    2. 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.
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    Cited by:

    1. 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.
    2. Kumar, Himansh & Sarma, A.K. & Kumar, Pramod, 2020. "A comprehensive review on preparation, characterization, and combustion characteristics of microemulsion based hybrid biofuels," Renewable and Sustainable Energy Reviews, Elsevier, vol. 117(C).

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