A Comparison of Pressure Sensitive Paint (PSP) Techniques for Aerodynamic Testing at Slow Velocities

Coleman, Patricia B.; Wallis, Stanley B.; Dale, Gary A.; Jordan, Jeffrey M.; Watkins, Neil J.; Goss, L. P.; Davis, John C.; Walter, T. Mark

doi:10.4271/2002-01-0255

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2009

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“…As originally developed, [1][2][3] this technique was primarily useful for mean pressure measurements at transonic and higher flows, but has since been adapted to lower speed flows [4][5][6] as well as measurements of fluctuating pressures. 7,8 A number of review articles cover the topic in detail.…”

Section: Introductionmentioning

confidence: 99%

The Development and Implementation of a Cryogenic Pressure Sensitive Paint System in the National Transonic Facility

Watkins

Leighty

Lipford

et al. 2009

47th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition

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Section: Introductionmentioning

confidence: 99%

The Development and Implementation of a Cryogenic Pressure Sensitive Paint System in the National Transonic Facility

Watkins

Leighty

Lipford

et al. 2009

47th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition

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Development of next generation lifetime PSP imaging systems

Watkins

Jordan

Leighty

et al.

20th International Congress on Instrumentation in Aerospace Simulation Facilities, 2003. ICIASF '03.

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This paper describes a lifetime PSP system that has recently been developed using pulsed light-emitting diode (LED) lamps and a new interline transfer CCD camera technology. This system alleviates noise sources associated with lifetime PSP systems that use either flash-lamp or laser excitation sources and intensified CCD cameras for detection. Calibration curves have been acquired for a variety of PSP formulations using this system, and a validation test was recently completed in the Subsonic Aerodynamic Research Laboratory (SARL) at Wright-Patterson Air Force Base (WPAFB). In this test, global surface pressure distributions were recovered using both a standard intensity-based method and the new lifetime system. Results from the lifetime system agree both qualitatively and quantitatively with those measured using the intensity-based method. Finally, an advanced lifetime imaging technique capable of measuring temperature and pressure simultaneously is introduced and initial results are presented.

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A Comparison of Pressure Sensitive Paint (PSP) Techniques for Aerodynamic Testing at Slow Velocities

Cited by 2 publications

References 3 publications

The Development and Implementation of a Cryogenic Pressure Sensitive Paint System in the National Transonic Facility

The Development and Implementation of a Cryogenic Pressure Sensitive Paint System in the National Transonic Facility

Development of next generation lifetime PSP imaging systems

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