Analysis on Vibroacoustic Fatigue Life of Empennage in a Hypersonic Vehicle

Table 4

Sound pressure spectrum.

Center frequency (Hz)	Sound pressure level (dB)	Sound pressure effective value (Pa)
31.5	150	632.4
63	154	1002.4
125	157	1415.9
250	158	1588.7
500	159	1782.5
1000	160	2000
2000	158	1588.7
4000	154	1002.4