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In this study both qualitative and quantitative flow visualization techniques are used to examine the complex flow field developed during the interaction of a plane shock wave with a compound profile. Shearing interferometry and direction-indicating colour schlieren are implemented in conjunction with high-speed time-resolved imaging. Comparisons between the results provided by the two flow visualization...
When a shock wave leaves an open-ended shock tube, it generates a vortex ring that subsequently detaches from the shock tube and follows the expanding shock front. This classical problem of shock–vortex interaction has been visualized in unprecedented detail and temporal resolution by means of time-resolved shadow, schlieren and shearing interferometry sequences obtained with a newly developed ultrahigh-speed...
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