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This paper deals with the modeling and control of thermo-acoustic instabilities in a combustion chamber, using a Helmholtz resonator approach and two-port elements. The perturbation of the pressure alongside the combustion chamber is modeled by one dimensional pressure waves, incorporating the turbulent effect of sudden cross sectional area changes in the(More)
In this paper we introduce a novel approach to combine the Helmholtz Resonator (HR) transfer function with the well-defined two-port element method by modifying the model of a gas turbine combustor at the intersection between the combustion chamber and the exhausting outlet. Using the Two-Microphones-Method (TMM), the transfer function of the actuator is(More)
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