Full-field surface pressures were measured in a small-scale, low pressure-ratio shock tube using a fast-response pressure-sensitive paint (PSP). Various issues regarding the PSP formulation, measurement uncertainty, and optical system design are discussed in detail. The pressure measurements were acquired during 15 ms time-envelopes of steady flow conditions following the passage of normal shocks and expansion regions. The PSP response time was on the order of 3 to 6 ms. Overall uncertainties in the pressure measurements ranged between 3 and 5% over a one atmosphere pressure range.


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    Title :

    Techniques for using pressure-sensitive paint in shock tunnel facilities


    Contributors:
    Hubner, J.P. (author) / Carroll, B.F. (author) / Schanze, K.S. (author) / Hia Feng Ji (author)


    Publication date :

    1997-01-01


    Size :

    827526 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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