International Journal of Aerospace Engineering / 2016 / Article / Fig 15

Research Article

Effects of Freestream Turbulence on Cavity Tone and Sound Source

Figure 15

Instantaneous isosurfaces of second invariant of velocity tensor gradient = 20) for cavity flows without acoustic resonance ( = 0.5). (a) Cavity flow without freestream turbulence (Tu = 0.0%). (b) Cavity flow with freestream turbulence, Tu = 2.3%.
(a)
(b)