抄録
A volumetric velocity measurement system has been developed by using Stereo Streak PTV (Particle Tracking Velocimetry) with shadow image and applied to complicated flow fields. After recording particle shadow images from two directions, 2-component velocity-vectors were obtained by Stereo Streak PTV and 3-component velocity-vectors were reconstructed by the stereo view. This measurement system was applied to the aneurysm model including 3-dimensional vortexes. It can be seen that each tracer particle was 3-dimensionally traced with time-series. The measuring area was nearly 10^3 mm. This proposed method is the effective procedure to measure accurate 3-dimensional and 3-component velocity-vectors.
