Table 2 Measured sound pressure levels (SPL) for sensors of different diameters.

From: Enhancing DAS sensitivity through structural optimization of thin-walled cylinders

Diameter(mm)

Sound pressure level (dB)

Sound pressure (Pa)

50

92.5

0.8434

40

92.8

0.8730

30

91.9

0.7886

20

92.7

0.8634

10

92.6

0.8531