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Dynamics and control of premixed combustion systems based on flame transfer and describing functions

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Academic year: 2021

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Figure

Figure 1. Feedback loop of thermo-acoustic instabilities and open loop Flame Transfer Function FTF=G(ω r ) exp(iϕ(ω r )).
Figure 3. Examples of tubes in which self-sustained pressure oscillations are driven by heat addition.
Figure 5. Inlet Z c (compressor) and outlet Z c (turbine) impedances for a gas turbine engine.
Figure 6. A model for combustion instabilities: a laminar flame is stabilized at the plane x = 0 separating an injection duct (length l 1 ) and a combustion chamber (length l 2 )
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