Apparatus for reducing aerodynamic noise in a wind tunnel

Details Apparatus for reducing aerodynamic noise in a wind tunnel Apparatus for reducing aerodynamic noise in a wind tunnel

1975-08-26

1976-04-27

Woodiel, Donald O.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

G01M 900

Patent

active

039525902

ABSTRACT:
An apparatus for reducing the background noise produced by the porous walls of the test section of a wind tunnel includes a finely meshed screen member placed over the perforations in the test section walls. The mesh wire screen attached to the interior wall provides a smoother surface for the air stream to flow against reducing the vorticies produced by the edges of the perforations in the test section walls.

REFERENCES:
patent: 3017769 (1962-01-01), Orlin
patent: 3027760 (1962-04-01), Holderer

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