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February 28, 2026Fuel CommunicationsOpen Access

Evaluation of iron flame discreteness in monoatomic gases based on single particle combustion behaviour

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Authors

HHHerman HengHKHugo KeckCCChristian Chauveau

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Overview

Experimental evaluation reveals how gas mixture properties affect iron particle combustion behavior, offering insights for future studies.

Key Points

  • This research aims to investigate how different monoatomic gas mixtures affect the combustion behavior of single iron particles.
  • Conducted experiments using an electrostatic levitator with laser ignition under fixed oxygen concentrations.
  • Analyzed combustion behavior in three gas mixtures: helium, argon, and xenon, all at 40% oxygen and 60% diluent.
  • Measured particle temperatures, combustion times, and nano-oxide formation using LED light attenuation.
  • Significant differences in particle temperatures observed due to varying Lewis numbers of gas mixtures.
  • Pronounced nano-oxide formation occurs in xenon-diluted mixtures, while negligible in helium-diluted mixtures.
  • Combustion times were similar across helium and argon, but slightly longer for xenon-diluted mixtures.

Cite This Study

Heng et al. (2026) studied this question.

synapsesocial.com/papers/69a2878e0a974eb0d3c03677https://doi.org/10.1016/j.jfueco.2026.100155
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