Holes in Acoustic Barriers
A hole in an acoustic barrier drammatically reduces the acoustic performance.
For a thin plate with a hole in it the transmission loss of the hole is given by:
Where
t = thickness of barrier [m]
a = radius of hole [m]
See also: Acoustic Barriers, Composite Acoustic Barriers, Double Acoustic Barrier, Single Acoustic Barrier.
Subjects: Noise & Vibration