Flow resistance apparatus and method for assembled acoustic pane

Details Flow resistance apparatus and method for assembled acoustic pane Flow resistance apparatus and method for assembled acoustic pane

1975-08-06

1976-12-14

Swisher, S. Clement

Measuring and testing

With fluid pressure

Porosity or permeability

73159, G01N 1508

Patent

active

039967883

ABSTRACT:
A puck to contact an acoustic panel has open-ended compartments to flow air through then back through the face sheet of an acoustic panel while measuring the air pressure difference across the face sheet.

REFERENCES:
patent: 2706904 (1955-04-01), Hertel
patent: 3056281 (1962-10-01), Smyth
patent: 3466925 (1969-09-01), Ziegenhagen et al.

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