Pyrene-, ruthenium-, and porphyrin-based, anodized aluminum pressure sensitive paint (AA-PSP) is developed for surface pressure measurements in a cryogenic wind tunnel. These AA-PSPs were calibrated to determine the pressure sensitivity by injecting a small amount of oxygen in the test gas. The mole fraction of oxygen was varied from 4 ppm up to 2000 ppm. The calibration tests were conducted in the 0.1 m Transonic Cryogenic Wind Tunnel (TCWT) at National Aerospace Laboratory, Japan. Luminophore choice affected the pressure sensitivity with a pyrene-based AA-PSP having the best sensitivity. These AA-PSPs were applied for surface pressure measurements on a 14% thick circular arc-bump model in the TCWT. The results of pyrene- and ruthenium-based AA-PSPs showed good agreement with pressure taps. Pressure sensitivity, signal level, and uniformity of luminescent coating affected the pressure measurements.


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    Titel :

    Open-system pressure sensitive paint for surface pressure measurements in a cryogenic wind tunnel


    Beteiligte:
    Sakaue, H. (Autor:in) / Sullivan, J.P. (Autor:in) / Egami, Y. (Autor:in) / Iijima, Y. (Autor:in) / Asai, K. (Autor:in) / Engler, R.H. (Autor:in) / Beifuss, U. (Autor:in) / Doring, F. (Autor:in)


    Erscheinungsdatum :

    2001-01-01


    Format / Umfang :

    679370 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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