CUED Publications database

Chaos in an imperfectly premixed model combustor.

Kabiraj, L and Saurabh, A and Karimi, N and Sailor, A and Mastorakos, E and Dowling, AP and Paschereit, CO (2015) Chaos in an imperfectly premixed model combustor. Chaos, 25. 023101-.

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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.

Item Type: Article
Divisions: Div A > Energy
Div A > Fluid Mechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:40
Last Modified: 24 May 2018 02:08