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Emission and Performance Optimization of Marine Four-Stroke Dual-Fuel Engine Based on Response Surface Methodology

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  • Huaiyu Wang
  • Huibing Gan
  • Guanjie Wang
  • Guoqiang Zhong

Abstract

As the emissions regulations have become more stringent, reducing NO X emissions is of great importance to the shipping industry. Due to the price and emissions advantages of natural gas, the diesel-natural gas engines have become an attractive solution for engine manufacturers. Firstly, in this paper, the NO X emissions prediction model of a large marine four-stroke dual-fuel engine is built by using AVL-BOOST. In addition, the model is further calibrated to calculate the performance and emissions of the engine. Then, the influences of boost pressure, compression ratio, and the timing of intake valve closing on engine performance and emissions are analyzed. Finally, the response surface methodology is used to optimize the emissions and performance to obtain the optimal setting parameters of the engine. The results indicate that the response surface method is a highly desirable optimization method, which can save a lot of repeated research. Compared with the results from manufactured data, the power is increased by 0.55% and the BSFC, the NO X emissions, and the peak combustion pressure are decreased by 0.60%, 13.21%, and 1.51%, respectively, at low load.

Suggested Citation

  • Huaiyu Wang & Huibing Gan & Guanjie Wang & Guoqiang Zhong, 2020. "Emission and Performance Optimization of Marine Four-Stroke Dual-Fuel Engine Based on Response Surface Methodology," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-9, January.
    • Handle: RePEc:hin:jnlmpe:5268314
    DOI: 10.1155/2020/5268314
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    Cited by:

    1. Siniša Martinić-Cezar & Zdeslav Jurić & Nur Assani & Branko Lalić, 2024. "Optimization of Fuel Consumption by Controlling the Load Distribution between Engines in an LNG Ship Electric Propulsion Plant," Energies, MDPI, vol. 17(15), pages 1-21, July.

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