An instrument development program aimed at using Projection Moiré Interferometry (PMI) for acquiring model deformation measurements in large wind tunnels was begun at NASA Langley Research Center in 1996. Various improvements to the initial prototype PMI systems have been made throughout this development effort. This paper documents several of the most significant improvements to the optical hardware and image processing software, and addresses system implementation issues for large wind tunnel applications. The improvements have increased both measurement accuracy and instrument efficiency, promoting the routine use of PMI for model deformation measurements in production wind tunnel tests.


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    Title :

    Advances in Projection Moiré Interferometry Development for Large Wind Tunnel Applications


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    World Aviation Congress & Exposition ; 1999



    Publication date :

    1999-10-19




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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