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Bifurcation Dodge: Avoidance of a Thermoacoustic Instability under Transient Operation
Giacomo Bonciolini, Nicolas Noiray
Varying one of the governing parameters of a dynamical system may lead to a critical transition, where the new stable state is undesirable. In some cases, there is only a limited r…
Effect of wall thermal inertia upon transient thermoacoustic dynamics of a swirl-stabilized flame
Giacomo Bonciolini, Dominik Ebi, Ulrich Doll +2
This paper shows the importance of considering the thermal state of a combustor to investigate or predict its thermoacoustic stability. This aspect is often neglected or regarded a…
Experiments and modelling of rate-dependent transition delay in a stochastic subcritical bifurcation
Giacomo Bonciolini, Dominik Ebi, Edouard Boujo +1
Complex systems exhibiting critical transitions when one of their governing parameters varies are ubiquitous in nature and in engineering applications. Despite a vast literature fo…
Output-only parameter identification of a colored-noise-driven Van der Pol oscillator -- Thermoacoustic instabilities as an example
Giacomo Bonciolini, Edouard Boujo, Nicolas Noiray
The problem of output-only parameter identification for nonlinear oscillators forced by colored noise is considered. In this context, it is often assumed that the forcing noise is…