抄録
Some aspects of coherent structures in turbulent wakes of obstacles with flow separation have been given and recent findings have been reviewd. The features of the large-scale organized structures have been presented and the procedures for their eduction, such as data acquisition and data processing, have been shown. Some studies on the control of large-scale organized structures behind two-dimensional cylinders as well as complicated natures of three-dimensional organized vortex structures behind a finite circular cylinder have been given.
