Accession Number:

ADD002994

Title:

Edgetone Suppression Device for Wind Tunnel Walls.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Report Date:

1976-08-24

Pagination or Media Count:

5.0

Abstract:

The patent relates to a wind tunnel having a test section, located within a plenum, with the walls of the test section containing a plurality of small holes which permits flow, through the holes and plenum, for unchoking the test section when the wind tunnel is operating near sonic speeds. A splitter plate, to suppress edge tones, is positioned in each of the holes along the direction of flow which divides the holes into a left and a right half with respect to the direction of flow.

Subject Categories:

  • Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE