Journal
CHAOS
Volume 25, Issue 2, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4906943
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Funding
- EU [IMPACT AE FP7-265586]
- German Research Foundation [KA 3968/1-1]
- DAAD
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This article reports nonlinear bifurcations observed in a laboratory scale, turbulent combustor operating under imperfectly premixed mode with global equivalence ratio as the control parameter. The results indicate that the dynamics of thermoacoustic instability correspond to quasi-periodic bifurcation to low-dimensional, deterministic chaos, a route that is common to a variety of dissipative nonlinear systems. The results support the recent identification of bifurcation scenarios in a laminar premixed flame combustor (Kabiraj et al., Chaos: Interdiscip. J. Nonlinear Sci. 22, 023129 (2012)) and extend the observation to a practically relevant combustor configuration. (C) 2015 AIP Publishing LLC.
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