Laminar-Turbulent Boundary Layer Transition Imaging Using IR Thermography

Experimental techniques for imaging laminar-turbulent transition of boundary layers using IR thermography are presented for both flight and wind tunnel test environments. A brief overview of other transition detection techniques is discussed as motivation. A direct comparison is made between IR ther...

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Bibliographic Details
Published in:Optics and photonics journal 2013-07, Vol.3 (3), p.233-239
Main Authors: Crawford, Brian K., Duncan, Glen T., West, David E., Saric, William S.
Format: Article
Language:English
Subjects:
Boundary layer transition
Flow visualization
Imaging
Infrared radiation
Naphthalene
Photonics
Thermography
Wind tunnel tests
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Summary:Experimental techniques for imaging laminar-turbulent transition of boundary layers using IR thermography are presented for both flight and wind tunnel test environments. A brief overview of other transition detection techniques is discussed as motivation. A direct comparison is made between IR thermography and naphthalene flow visualization. A technique for obtaining quantitative transition location is presented.
ISSN:2160-8881
2160-889X
DOI:10.4236/opj.2013.33038