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RISFrom Pressure Time Series Data to Flame Transfer Functions: A Framework for Perfectly Premixed Swirling Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present a two-step optimization (TSO) framework, which uses the pressure data of an unstable combustion process to estimate the complex-valued flame transfer function (FTF). From the pressure time series, we obtain the ...
Convective Scaling of Intrinsic Thermo-Acoustic Eigenfrequencies of a Premixed Swirl Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spectral distributions of the sound pressure level (SPL) observed in a premixed, swirl stabilized combustion test rig are scrutinized. Spectral peaks in the SPL for stable as well as unstable cases are interpreted with the ...