Reduced-order models of aeroacoustic sources for sound radiated in twin subsonic jets
Nishanth Muthichur,
Chandan Vempati,
Santosh Hemchandra
et al.
Abstract:We construct reduced-order models of aeroacoustic sources for single and twin subsonic jets (
$M_j=0.9$
,
$Re=3600$
), with the goal of accurately recovering the far-field sound over a wide band of frequencies
$St=[0.07,1.0]$
and directivity angles
$\phi = [30^{\circ },120^{\circ }]$
within a subdecibel level accuracy. These models are realized via combining spatio-temporally coherent spectral proper or… Show more
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