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RISA Novel Decomposition Approach Preventing Spurious Entropy Generation in Hybrid Thermoacoustic Stability Computations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Prominent approaches for the computation of thermoacoustic stability are hybrid methods like the linearized Navier–Stokes equations (LNSE) or the linearized Euler equations (LEE). The transient fluctuations around a ...
Energetically Consistent Computation of Combustor Stability With a Model Consisting of a Helmholtz Finite Element Method Domain and a Low-Order Network
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An efficient approach for the detection of the acoustic damping of gas turbine combustors is the combination of spatially resolved finite element method (FEM) approaches based on the Helmholtz equation with low-order ...