Infrared-Based Determination of Bunsen-Burner Wall Temperature for Hydrogen/Air Laminar Flames
Résumé
The decarbonization of practical combustion systems is increasingly supported by the use of hydrogen as a green e-fuel, particularly in the context of power-to-gas strategies. While the geometry and operating conditions of Bunsen-type burners have been extensively studied, the temperature distribution along burner walls remains poorly documented. This parameter plays a key role in flame stabilization phenomena such as flashback and autoignition, and in defining accurate boundary conditions for computational fluid dynamics (CFD) simulations. General temperature measurements often rely on contact based methods (e.g., K-type thermocouples) or optical pyrometry techniques (e.g. double wavelength pyrometer). To complete these approaches, this study introduces a non-intrusive methodology using an infrared camera to assess the surface temperature of burner walls.
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