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June 30, 2026FuelOpen Access

Quantification of the heating rates of particles in laminar iron dust flames via a Multi-parameter diagnostics approach

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Authors

TKThomas KrennTLTao LiDNDaoguan Ning

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Overview

Randomized trial quantifies particle heating rates in laminar iron dust flames, indicating crucial combustion insights.

Key Points

  • This research aims to quantify the heating rates of particles in laminar iron dust flames to aid in energy carrier applications.
  • Utilized multi-planar Particle Image Velocimetry (MP-PIV) and simultaneous luminescence tomography for flow field reconstruction.
  • Calculated particle residence times between the leading edge of the pre-heating zone and maximum temperature iso-surface.
  • Derived mean particle heating rates using spectrally resolved pyrometry measurements for various oxygen concentrations.
  • Heated particles in iron dust flames showed rates of 3.1 × 10 5 K s −1 to 4.1 × 10 5 K s −1.
  • Oxygen enrichment increased maximum ensemble particle temperature from 2300 K to 2400 K.
  • First experimentally determined heating rates serve as a benchmark for combustion model validation.

Cite This Study

Krenn et al. (2026) studied this question.

synapsesocial.com/papers/6a435be3759b888809a5283dhttps://doi.org/10.1016/j.fuel.2026.140491
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