Low-order modeling of collective dynamics of four ring-coupled turbulent thermoacoustic oscillators
Yu Liao,
Yu Guan,
Peijin Liu
et al.
Abstract:We investigate the low-order modeling of collective dynamics in a can-annular combustor consisting of four ring-coupled turbulent lean-premixed combustors. Each combustor is treated as an individual thermoacoustic oscillator, and the entire combustion system is modeled using four Van der Pol oscillators ring-coupled with dissipative, time-delay, and reactive coupling terms. We show that this model, despite its simplicity, can reproduce many collective dynamics observed in experiments under various combinations… Show more
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