Optimization of Hydrogen Supercritical Oxy-Combustion in Gas Turbines

Sylwia Oleś, Jakub Mularski, Dariusz Pyka, Halina Pawlak-Kruczek, Artur K. Pozarlik*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

This study investigates the combustion of hydrogen in supercritical gas turbines, emphasizing the optimization of combustor design through computational fluid dynamics (CFD) simulations. Key parameters analysed include the number of oxygen inlets, operating pressure, excess working fluid in oxygen inlets, power output, and the use of different working fluids: supercritical argon (sAr) and supercritical xenon (sXe). The results highlight how these parameters influence temperature distribution, flame stability, and overall combustion efficiency. Findings suggest that increasing the number of oxygen inlets can significantly affect temperature profiles, while higher operating pressures lead to shorter flames. The dilution of oxygen by argon reduces the peak temperatures, and the choice of working fluid impacts cooling efficiency and flame dynamics. This study provides valuable information on optimizing the design of supercritical combustion chambers for hydrogen combustion in novel supercritical gas turbine systems.
Original languageEnglish
Article number6
JournalFuels
Volume6
Issue number1
DOIs
Publication statusPublished - 14 Jan 2025

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