Research Article
On the Use of the Analogue Transformation Acoustics in Aeroacoustics
Figure 9
Values of for six test frequencies and two sizes of cloaked cylinder at various surface ratio .
(a) 300 Hz |
(b) 655 Hz |
(c) 900 Hz |
(d) 1500 Hz |
(e) 3000 Hz |
(f) 5000 Hz |