Time Series and Spectral Analysis of Thermoacoustic Oscillations for Propane-Oxyfuel Combustion in a Swirl-Stabilized, Nonpremixed Combustor
Qazi Talal,
Zubairu Abubakar,
M. Raghib Shakeel
et al.
Abstract:In this study, the
time series data for sound pressure and heat
release fluctuations were analyzed to establish the stability window
of the propane-oxyflames under different operating conditions. The
CO2 dilution level and the combustor power density were
varied at a fixed global equivalence ratio to investigate the thermoacoustic
instability of the flames. The phase difference between the fluctuations
and the instantaneous Rayleigh index reveals whether the heat release
and pressure fluctuations are coupled, … Show more
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