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Development of a Cooled Radial Flameholder for the F404/RM12 Afterburner: Part III Afterburner Rumble Prediction and Suppression

Lars-Erik Eriksson (Institutionen för termo- och fluiddynamik) ; Lena Andersson ; Klas Lindblad ; Niklas Andersson (Institutionen för termo- och fluiddynamik)
ISABE-2003-1060, proc. of 16th ISABE Conf, Cleveland Ohio, September 2003 (2003)
[Konferensbidrag, refereegranskat]

One-dimensional methods used for solving acoustic instabilities are of doubtful value in the design of afterburner systems. In this paper a three-dimensional method developed and used at Volvo Aero Corporation is described. The method deals with the mean flow and the perturbation flow separately. The perturbation part is based on the linearized Euler equations (time domain) for compressible multi-species flow together with a spectrum trans-formation and Arnoldi’s method for eigenmode extraction.

Nyckelord: Combustion instabilities, Arnoldi method, Linearized Euler Equations



Denna post skapades 2006-08-25. Senast ändrad 2014-10-27.
CPL Pubid: 16296

 

Institutioner (Chalmers)

Institutionen för termo- och fluiddynamik (1989-2004)

Ämnesområden

Akustik

Chalmers infrastruktur