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Off-surface infrared flow visualizationA method for visualizing off-surface flows is provided. The method consists of releasing a gas with infrared absorbing and emitting characteristics into a fluid flow and imaging the flow with an infrared imaging system. This method allows for visualization of off-surface fluid flow in-flight. The novelty of this method is found in providing an apparatus for flow visualization which is contained within the aircraft so as not to disrupt the airflow around the aircraft, is effective at various speeds and altitudes, and is longer-lasting than previous methods of flow visualization.
Document ID
19930012848
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Manuel, Gregory S. (NASA Langley Research Center Hampton, VA, United States)
Obara, Clifford J. (NASA Langley Research Center Hampton, VA, United States)
Daryabeigi, Kamran (NASA Langley Research Center Hampton, VA, United States)
Alderfer, David W. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 15, 2013
Publication Date
April 6, 1993
Subject Category
Optics
Report/Patent Number
Patent Number: NASA-CASE-LAR-14568-1
Patent Number: US-PATENT-5,200,621
Patent Application Number: US-PATENT-APPL-SN-808302
Accession Number
93N22037
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-LAR-14568-1|US-PATENT-5,200,621
Patent Application
US-PATENT-APPL-SN-808302

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