International Journal of Aerospace Engineering / 2016 / Article / Fig 19

Research Article

Effects of Freestream Turbulence on Cavity Tone and Sound Source

Figure 19

Sound pressure spectra ( = 6.75 and = 23.5) and difference in tonal sound pressure levels due to effects of freestream turbulence. (a) Cavity flow without acoustic resonance ( = 0.5). (b) Cavity flow with acoustic resonance ( = 2.5).
(a)
(b)