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Aeroelastic instability stoppers for wind tunnel modelsA mechanism for diverting the flow in a wind tunnel from the wing of a tested model is described. The wing is mounted on the wall of a tunnel. A diverter plate is pivotally mounted on the tunnel wall ahead of the model. An actuator fixed to the tunnel is pivotably connected to the diverter plate, by plunger. When the model is about to become unstable during the test the actuator moves the diverter plate from the tunnel wall to divert maintaining stable model conditions. The diverter plate is then retracted to enable normal flow.
Document ID
19830013233
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Doggett, R. V., Jr. (NASA Langley Research Center Hampton, VA, United States)
Ricketts, R. H. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 4, 2013
Publication Date
June 17, 1981
Subject Category
Energy Production And Conversion
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-274706
Patent Number: NASA-CASE-LAR-12720-1
Patent Number: US-PATENT-4,372,159
Accession Number
83N21504
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-LAR-12720-1|US-PATENT-4,372,159
Patent Application
US-PATENT-APPL-SN-274706

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