Contrails
The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Flow Characteristics Of A 40-Inch Wind Tunnel At Mach Numbers 1.5 To 6

Report Number: AEDC TDR 62-130
Author: Coats, Jack D.
Corporate Author: Arnold Engineering Development Center Arnold Air Force Station Tenn
Laboratory: Arnold Engineering Development Center
Date of Publication: 1962-06
Pages: 37
Contract: AF 40(600)-800
Project: None Given
AD Number: AD0277289

Abstract:
The flexible steel plate which forms the lower nozzle wall of the 40-in. Supersonic Tunnel of the von Karman Gas Dynamics Facility was damaged in October 1961. A brief description of the damage and repair of the plate is presented with flow characteristics obtained during a calibration program conducted after completion of the repairs. The calibration showed that the uniformity of the test-section flow characteristics was not adversely affected by the repair which included the use of a pattern of bolt heads protruding above the surface of the plate in the subsonic region of the nozzle.


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IIT
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