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Combustion Performance and Emission Characteristics of a Diesel Engine Using a Water-Emulsified Heavy Fuel Oil and Light Diesel Blend

Author

Listed:
  • Liyan Feng

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Baoguo Du

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Jiangping Tian

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Wuqiang Long

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

  • Bin Tang

    (Institute of Internal Combustion Engine, Dalian University of Technology, Dalian 116024, China)

Abstract

Using low price heavy fuel oil (HFO) in high-speed diesel engines is a practical way to reduce running costs. However, most high-speed diesel engines’ fuel systems and combustion systems cannot adapt to HFO. This causes the problem of deterioration of combustion performance. In order to solve this problem, the authors have modified the fuel injection system and combustion system of a high-speed diesel engine to use HFO. In addition, reducing the viscosity of HFO is necessary before it is fed into the engine. Because heating apparatus are not feasible for high-speed engine users, light diesel was blended with HFO to reduce the fuel viscosity. The blend is called HFO-L. Meanwhile, for the purpose of further reducing NO x emissions and soot emissions, water-emulsified HFO-L, named HLW, was used on the research engine. When fueled with 10% water content HLW, the engine presented the same power performance and thermal efficiency as the baseline engine fueled with light diesel. Due to the low price of HFO, the fuel economy of the engine was greatly improved. In addition, fueling HLW led to a considerable reduction of the engine’s NO x emissions compared with the baseline engine.

Suggested Citation

  • Liyan Feng & Baoguo Du & Jiangping Tian & Wuqiang Long & Bin Tang, 2015. "Combustion Performance and Emission Characteristics of a Diesel Engine Using a Water-Emulsified Heavy Fuel Oil and Light Diesel Blend," Energies, MDPI, vol. 8(12), pages 1-13, December.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:12:p:12387-13640:d:59730
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    References listed on IDEAS

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    1. Debnath, Biplab K. & Saha, Ujjwal K. & Sahoo, Niranjan, 2015. "A comprehensive review on the application of emulsions as an alternative fuel for diesel engines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 196-211.
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    Cited by:

    1. Haifeng Liu & Junsheng Ma & Laihui Tong & Guixiang Ma & Zunqing Zheng & Mingfa Yao, 2018. "Investigation on the Potential of High Efficiency for Internal Combustion Engines," Energies, MDPI, vol. 11(3), pages 1-20, February.
    2. Chung-Yao Hsuan & Shuhn-Shyurng Hou & Yun-Li Wang & Ta-Hui Lin, 2019. "Water-In-Oil Emulsion as Boiler Fuel for Reduced NO x Emissions and Improved Energy Saving," Energies, MDPI, vol. 12(6), pages 1-14, March.
    3. Ayhan, Vezir & Ece, Yılmaz Mert, 2020. "New application to reduce NOx emissions of diesel engines: Electronically controlled direct water injection at compression stroke," Applied Energy, Elsevier, vol. 260(C).
    4. Mhadi A. Ismael & Morgan R. Heikal & A. Rashid A. Aziz & Cyril Crua, 2018. "The Effect of Fuel Injection Equipment of Water-In-Diesel Emulsions on Micro-Explosion Behaviour," Energies, MDPI, vol. 11(7), pages 1-13, June.
    5. Ismael, Mhadi A. & Heikal, Morgan R. & Aziz, A. Rashid A. & Syah, Firman & Zainal A., Ezrann Z. & Crua, Cyril, 2018. "The effect of fuel injection equipment on the dispersed phase of water-in-diesel emulsions," Applied Energy, Elsevier, vol. 222(C), pages 762-771.

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