Suppression of Azimuthal Combustion Instability Using Perforated Liner Under Symmetry Breaking
Lei Qin,
Xiaoyu Wang,
Guangyu Zhang
et al.
Abstract:Symmetry breaking occurring in annular combustors shows different stability patterns due to the formation of nondegenerate modes with different frequencies. This also brings about more profound complexity for control methodology. This paper presents a three-dimensional analytical model to investigate how to control nondegenerate azimuthal modes by modifying the wall boundary conditions of a multiburner annular combustor. The stability of the system can be evaluated by solving the eigenvalue of the dispersion r… Show more
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