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The sound generation due to the interaction between the turbulent flow field and a premixed slot flame is numerically studied by a hybrid analysis. The impact of varying gas expansion ratios and Markstein lengths is investigated. The acoustic flame response function and the acoustic source terms determine the overall flame response to heat release fluctuations. The location where sound is emitted...
The nonlinear effects of the fully coupled two-way interactions between a disturbance field defined by an amplitude variation of the inflow velocity distribution and a laminar premixed flame incorporating gas expansion effects are investigated by numerically solving the conservation equations of a compressible fluid. Results of the higher harmonics of the flame front perturbation for two burnt to...
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