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September 10, 2025SAE technical papers on CD-ROM/SAE technical paper series

Numerical Analysis of the Combustion Process in a Hydrogen-Fueled Pre-Chamber Combustion Engine

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Authors

FMFabio Santi MortellaroRMRafael MenacaXLXinlei Liu

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Overview

Numerical analysis reveals combustion dynamics and DT effects in hydrogen engines, suggesting optimization strategies.

Key Points

  • Significantly different combustion performance was observed with varying jet-forming caps.
  • A global equivalence ratio of 0.4 was applied in conjunction with a lean-burn combustion strategy.
  • The flamelet-based G-equation model effectively captured turbulent hydrogen combustion dynamics.
  • Key design guidelines include the promotion of rapid ignition through a locally rich mixture.

Cite This Study

Mortellaro et al. (2025) studied this question.

synapsesocial.com/papers/68c1954e9b7b07f3a0618d42https://doi.org/10.4271/2025-24-0012
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