On the Use of the Analogue Transformation Acoustics in Aeroacoustics

Figure 12

Acoustic potential field visualization at 900 Hz: free field (a) is compared with a small ((b) and (d)) and a big ((c), (e), and (f)) surface ratio configuration.

(a) Free field

(b) , = 3.297

(c) , = 3.297

(d) , = 6.595

(e) , = 6.595

(f) , = 6.595