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Development of Pressure Sensitive Paint (PSP) for non flat models in steady transonic flow conditions

Engler, R. (1995) Development of Pressure Sensitive Paint (PSP) for non flat models in steady transonic flow conditions. IEEE Service Center, 445 HOES Lane, Piscataway,. ICASF International Congress on Instrumentation in Aerospace Simulation Facilities, US Air Force Wright Laboratory Flight Dynamics Directorate Wright-Patterson AFB, Ohio, 18.-21. July 1995. ISBN 0-7803-2088-3.

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Kurzfassung

To achieve the diner calibration of pressure-sensitive paint of a coated model in the wind-tunnel, using the pixel by pixel calibration, a resolution of absolute pressure up to 2mbar in comparison to the conventional PSI technique is possible. However, this is only achieved by using an image processing method for removing image distortions, and recording the surface temperature of the model simultaneously. In this case an angular influence of illumination or the resulting emission will be compensated automatically. The results obtained show that in the immediately future the range of application will extend from subsonic, into the hypersonic regime. Furthermore, the simultaneous recording of surface temperature will play an increasing role, since then it also become possible to evaluate wall shear stress. For exact measurements of unsteady flows a first step was made to acquire periodic flow phenomena. The use of extremely sensitive, low-noise video cameras will certainly allow surface pressure measurement of such processes in the future

Dokumentart:Konferenzbeitrag (Paper)
Zusätzliche Informationen: LIDO-Berichtsjahr=1999,
Titel:Development of Pressure Sensitive Paint (PSP) for non flat models in steady transonic flow conditions
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Engler, R.NICHT SPEZIFIZIERT
Datum:1995
Seitenbereich:
Verlag:IEEE Service Center, 445 HOES Lane, Piscataway,
ISBN:0-7803-2088-3
Status:veröffentlicht
Stichwörter:Transonic flow, oxygin-quenching, optical pressure measurement, flow visualization, pressure-sensitive paint
Veranstaltungstitel:ICASF International Congress on Instrumentation in Aerospace Simulation Facilities, US Air Force Wright Laboratory Flight Dynamics Directorate Wright-Patterson AFB, Ohio, 18.-21. July 1995
Veranstalter :US Air Force Wright Laboratory Flight Dynamics Directorate Wright-Patterson AFB
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Luftfahrt
HGF - Programmthema:keine Zuordnung
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L ST - Starrflüglertechnologien
DLR - Teilgebiet (Projekt, Vorhaben):NICHT SPEZIFIZIERT
Standort: Köln-Porz , Braunschweig , Göttingen
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik > Institut für Strömungsmechanik
Hinterlegt von: elib DLR-Beauftragter
Hinterlegt am:16 Sep 2005
Letzte Änderung:14 Jan 2010 20:41

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