Computational aeroacoustics of realistic co-axial engines
S Redonnet, C Mincu, E Manoha - 14th AIAA/CEAS aeroacoustics …, 2008 - arc.aiaa.org
S Redonnet, C Mincu, E Manoha
14th AIAA/CEAS aeroacoustics conference (29th AIAA aeroacoustics conference), 2008•arc.aiaa.orgBPF= blade passing frequency kR= reduced frequency (with respect to the outer radius of
the engine secondary exhaust) Μ∞= steady mean-flow Mach number (at infinite) Μ inj=
steady mean-flow Mach number (at upstream plane of the secondary exhaust) PPW*=(grid)
points per apparent wavelength R= outer radius of the engine secondary exhaust Ts=
acoustic source period f= acoustic source frequency m= acoustic source azimuthal order
(spinning mode) c= sound speed
the engine secondary exhaust) Μ∞= steady mean-flow Mach number (at infinite) Μ inj=
steady mean-flow Mach number (at upstream plane of the secondary exhaust) PPW*=(grid)
points per apparent wavelength R= outer radius of the engine secondary exhaust Ts=
acoustic source period f= acoustic source frequency m= acoustic source azimuthal order
(spinning mode) c= sound speed
BPF= blade passing frequency kR= reduced frequency (with respect to the outer radius of the engine secondary exhaust) Μ∞= steady mean-flow Mach number (at infinite) Μ inj= steady mean-flow Mach number (at upstream plane of the secondary exhaust) PPW*=(grid) points per apparent wavelength R= outer radius of the engine secondary exhaust Ts= acoustic source period f= acoustic source frequency m= acoustic source azimuthal order (spinning mode) c= sound speed
AIAA Aerospace Research Center