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Numerical investigation of the ignition delay and laminar flame speed for pilot-ignited dual fuel engine operation with hydrogen or methanol

Somayeh Parsa (UGent) and Sebastian Verhelst (UGent)
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Abstract
The use of renewable fuels such as hydrogen and methanol in marine engines is a promising way to reduce greenhouse gas emissions from maritime transport. Hydrogen and methanol can be used as the main fuel in dual-fuel engines. However, the co-combustion of hydrogendiesel and methanol-diesel needs to be carefully studied. In the present work, the ignition delay (ID) and laminar burning velocity (LBV) for pilot-ignited dual fuel engine operation with hydrogen or methanol are studied. A constant volume batch reactor numerical setup is used in the open source Cantera code to calculate the effect of the premixed fuel on the ID of the pilot fuel. Also, Cantera is used to simulate a freely-propagating, adiabatic, 1-D flame to estimate the laminar flame speed of either hydrogen or methanol and how it is affected by the presence of pilot fuel. First, suitable chemical kinetic schemes are selected based on experimental data collected from the literature. Then ID and LBV are estimated for different engine-like operating conditions. The effects of different proportions of hydrogen and methanol, as well as different lambdas, on ID and LBV in the high-pressure regime are considered. It is shown how both the ID of the pilot fuel and the LBV of the premixed fuel is strongly affected by the presence of either premixed fuel or pilot, respectively.

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MLA
Parsa, Somayeh, and Sebastian Verhelst. “Numerical Investigation of the Ignition Delay and Laminar Flame Speed for Pilot-Ignited Dual Fuel Engine Operation with Hydrogen or Methanol.” 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings, SAE International, 2023, doi:10.4271/2023-24-0011.
APA
Parsa, S., & Verhelst, S. (2023). Numerical investigation of the ignition delay and laminar flame speed for pilot-ignited dual fuel engine operation with hydrogen or methanol. 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings. Presented at the 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Capri, Naples, Italy. https://doi.org/10.4271/2023-24-0011
Chicago author-date
Parsa, Somayeh, and Sebastian Verhelst. 2023. “Numerical Investigation of the Ignition Delay and Laminar Flame Speed for Pilot-Ignited Dual Fuel Engine Operation with Hydrogen or Methanol.” In 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings. SAE International. https://doi.org/10.4271/2023-24-0011.
Chicago author-date (all authors)
Parsa, Somayeh, and Sebastian Verhelst. 2023. “Numerical Investigation of the Ignition Delay and Laminar Flame Speed for Pilot-Ignited Dual Fuel Engine Operation with Hydrogen or Methanol.” In 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings. SAE International. doi:10.4271/2023-24-0011.
Vancouver
1.
Parsa S, Verhelst S. Numerical investigation of the ignition delay and laminar flame speed for pilot-ignited dual fuel engine operation with hydrogen or methanol. In: 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings. SAE International; 2023.
IEEE
[1]
S. Parsa and S. Verhelst, “Numerical investigation of the ignition delay and laminar flame speed for pilot-ignited dual fuel engine operation with hydrogen or methanol,” in 16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings, Capri, Naples, Italy, 2023.
@inproceedings{01HM8X88ERSFS25E2V5ETRGKZ6,
  abstract     = {{The use of renewable fuels such as hydrogen and methanol in marine 
engines is a promising way to reduce greenhouse gas emissions from 
maritime transport. Hydrogen and methanol can be used as the main 
fuel in dual-fuel engines. However, the co-combustion of hydrogendiesel and methanol-diesel needs to be carefully studied. In the 
present work, the ignition delay (ID) and laminar burning velocity 
(LBV) for pilot-ignited dual fuel engine operation with hydrogen or 
methanol are studied. A constant volume batch reactor numerical 
setup is used in the open source Cantera code to calculate the effect 
of the premixed fuel on the ID of the pilot fuel. Also, Cantera is used 
to simulate a freely-propagating, adiabatic, 1-D flame to estimate the 
laminar flame speed of either hydrogen or methanol and how it is 
affected by the presence of pilot fuel. First, suitable chemical kinetic 
schemes are selected based on experimental data collected from the 
literature. Then ID and LBV are estimated for different engine-like 
operating conditions. The effects of different proportions of hydrogen 
and methanol, as well as different lambdas, on ID and LBV in the 
high-pressure regime are considered. It is shown how both the ID of 
the pilot fuel and the LBV of the premixed fuel is strongly affected 
by the presence of either premixed fuel or pilot, respectively.}},
  articleno    = {{2023-24-0011}},
  author       = {{Parsa, Somayeh and Verhelst, Sebastian}},
  booktitle    = {{16th International Conference on Engines & Vehicles for Sustainable Transport (ICE2023), Proceedings}},
  issn         = {{0148-7191}},
  language     = {{eng}},
  location     = {{Capri, Naples, Italy}},
  pages        = {{9}},
  publisher    = {{SAE International}},
  title        = {{Numerical investigation of the ignition delay and laminar flame speed for pilot-ignited dual fuel engine operation with hydrogen or methanol}},
  url          = {{http://doi.org/10.4271/2023-24-0011}},
  year         = {{2023}},
}

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