Heat release rate response of azimuthal thermoacoustic instabilities in a pressurized annular combustor with methane / hydrogen flames

This document provides a brief description of datasets associated with the paper by Ahn et al. [1]. The dataset includes overall sensitity response (pressure, heat release rate, instabiltiy frequency, mean chamber pressure, nature angle, bulk velocity) against equivalence ratio and hydrogen power fraction from 0.1 to 0.2, Flame gain and phase characteristics and Rayleigh criterion angle distributions are also included.

[1] Ahn, B., Indlekofer, T., Dawson, J. R., and Worth, N. “Heat Release Rate Response of Azimuthal Thermoacoustic Instabilities in a Pressurized Annular Combustor with Methane / Hydrogen Flames.” Combustion and Flame, Vol. 244, No. 2018, 2022, pp. 2–5. https://doi.org/10.1016/j.combustflame.2022.112274.