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March 3, 2026Combustion and FlameOpen Access

Thermodiffusively-unstable lean premixed hydrogen–methane blends: Phenomenology and empirical modelling

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Authors

EHE.F. HuntAMA. MoitroAAAJ Aspden

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Overview

Observational analysis reveals dual-flame dynamics in thermodiffusively-unstable hydrogen–methane blends, suggesting new insights for fuel modeling.

Key Points

  • The study shows a dual-flame nature in thermodiffusively-unstable hydrogen–methane blends that correlates with local curvature.
  • Notably, the mean local flame speeds are significantly influenced by the curvature of the flame surface.
  • Analysis combines direct numerical simulation and empirical modeling to explore turbulent flame behavior across multiple dimensions.
  • Novel findings may impact the development of carbon-free power technologies and improve turbulent flame modeling approaches.

Cite This Study

Hunt et al. (2026) studied this question.

synapsesocial.com/papers/69a767dbbadf0bb9e87e2a40https://doi.org/10.1016/j.combustflame.2026.114845
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