Abstract
Bubbly flows have multi-dimensional structure that involves plural phenomena with different wavelengths. PIVparticle image velocimetry, therefore, is suitably applied for measuring their spatial organization. In addition, kinematics of bubble and PIV scheme correlate mathematically since they deal with motion of dispersions mixed in flow. Namely, development of PIV system and study on bubbly flows progress in parallel to contribute to each other. In this paper, several experimental demonstrations of PIV application are reported, which features the characteristics of bubbly flow.
