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January 20, 2026ACS OmegaOpen Access

Influence of Piston Bowl Geometry and Hydrogen–Diesel Mixing Ratios on Dual-Fuel Engine Combustion

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Authors

RKRanjan KumarNational Institute of Technology PatnaSNSudipta NathRamakrishna Mission Vivekananda Educational and Research InstituteAAtulAlliance University

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Implication

Numerical simulations show improved combustion and reduced fuel consumption in dual-fuel engines, indicating better emissions control.

Key Points

  • This research aims to analyze the influence of piston bowl geometry on combustion and emissions in dual-fuel engines.
  • Investigated effects of different piston bowl designs using numerical simulations
  • Analyzed engine performance parameters as indicators of fuel efficiency
  • Examined hydrogen–diesel mixing ratios in a dual-fuel engine
  • W-type and re-entrant bowls enhanced cylinder power by 1.27% and 2.65%, respectively
  • ISFOC decreased by 1.04% and 1.63% with w-type and re-entrant bowls compared to U-type
  • NO emissions reduced by 25.59% with w-type and 46.09% with re-entrant bowls
  • Changes in piston bowl design affected soot and CO 2 emissions

Cite This Study

Kumar et al. (2026) studied this question.

synapsesocial.com/papers/696ed06d6d8d470fca57abd6https://doi.org/10.1021/acsomega.5c09077
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