International Journal of Aerospace Engineering / 2016 / Article / Fig 16

Research Article

Effects of Freestream Turbulence on Cavity Tone and Sound Source

Figure 16

Instantaneous isosurfaces of second invariant of velocity tensor gradient = 20) for cavity flows with acoustic resonance ( = 2.5). (a) Cavity flow without freestream turbulence (Tu = 0.0%). (b) Cavity flow with freestream turbulence, Tu = 2.3%.
(a)
(b)