Advances in high-repetition rate laser and camera technology present a renewed opportunity to develop high-speed three-dimensional flow diagnostics based on the rapid scanning of a laser sheet through a flow field. Recent progress towards developing a high-speed 3-D flow visualization system is presented. The system is based on a MHz rate pulse burst laser, a galvanometric scanning mirror and an ultra-high-speed camera. Once development is complete, the system will be able to acquire a 3-D image in tens of microseconds, making it suitable for a broad range of high-speed flow fields. In this paper, a low-speed version of the system was used to image the 3-D structure of vortex rings emitted from a small smoke chamber. The rich nature of the 3-D images demonstrates the inherent potential of the technique. Future work includes incorporation of the pulse burst laser into the 3-D system.


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    Title :

    Recent Progress Towards a High-Speed Three-Dimensional Flow Visualization Technique


    Contributors:


    Publication date :

    2007-06-01


    Size :

    4965488 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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