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.

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Subjects: Noise & Vibration