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Keywords: Combustion noise
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Proceedings Papers

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 13–17, 2022
Paper No: GT2022-81590
... an air blast type nozzle) circuits. The data were acquired during two dynamical regimes — combustion noise, where there is an absence of large amplitude oscillations during the unsteady combustion process, and intermittency, where there are intermittent bursts of high amplitude oscillations that appear...
Proceedings Papers

Proc. ASME. GT2009, Volume 2: Combustion, Fuels and Emissions, 657-667, June 8–12, 2009
Paper No: GT2009-59870
... 23 02 2010 A new numerical approach called RPM-CN approach is applied to predict broadband combustion noise. This highly efficient hybrid CFD/CAA approach can rely on a reactive RANS simulation. The RPM method is used to reconstruct stochastic broadband combustion noise sources...
Proceedings Papers

Proc. ASME. GT2008, Volume 3: Combustion, Fuels and Emissions, Parts A and B, 113-124, June 9–13, 2008
Paper No: GT2008-50241
... 04 08 2009 The paper describes a numerical simulation methodology based on CFD for deriving and analyzing the spectral and spatial characteristics of combustion noise in industrial gas turbine combustors. ENEL is testing the combustion section of a medium size pure hydrogen-fed gas...
Proceedings Papers

Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 1511-1520, May 14–17, 2007
Paper No: GT2007-28027
... by applying recently developed modeling techniques. This investigation was performed as part of the NASA Quiet Aircraft Technology Program. Because the mixer reduces the total jet noise, the combustion noise source becomes a significant contributor. In addition, the character of the jet noise for the mixer...