Apparatus and method for measuring the acoustic properties of ac

Details Apparatus and method for measuring the acoustic properties of ac Apparatus and method for measuring the acoustic properties of ac

1998-04-20

2000-09-19

Williams, Hezron

Measuring and testing

Vibration

By mechanical waves

181284, G01N 2904

Patent

active

061195219

ABSTRACT:
A device for measuring the acoustic absorption properties of materials such as liners for jet engines has a first housing, an acoustic driver configured to provide acoustic energy to the first housing, a second housing attached to the first housing, and an acoustic driver configured to provide acoustic energy to the second housing. Acoustic sensors are used to measure the acoustic energy emitted from the two housings and to measure the absorption of each of the housings.

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