Studies of mean and unsteady flow in a swirled combustor using experiments, acoustic analysis, and large eddy simulations

By S. Roux, G. Lartigue, Thierry Poinsot, U. Meier, C. Bérat. 2005

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Large Eddy Simulations of gaseous flames in gas turbine combustion chambers (2012, background): “12, has been specifically designed for thermo-acoustic studies and preliminary LES results [247] reproduce certain unstable operating conditions.”
A unified framework for nonlinear combustion instability analysis based on the flame describing function (2008, methodology): “This has been applied to many simple experiments and more recently to practical configurations, taking into account their geometrical and flow complexities, as for example by Paschereit et al. (2002), Sattelmayer (2003), Krebs et al. (2005) or Roux et al. (2005).”
Combining a Helmholtz solver with the flame describing function to assess combustion instability in a premixed swirled combustor (2013, methodology): “Also, the FTF can be combined to numerical tools which are used to solve the wave equation, usually expressed in the frequency domain (Roux et al., 2005; Nicoud et al., 2007; Camporeale et al., 2011).”