Abstract
The circular jet which issues along the outer wall and in the longitudinal direction of the cylinder has been investigated in this paper. Especially, attention is focussed on the unsteady structure of the flow field where the wall jet separates at the down stream location far form the nozzle exit. In order to reveal this unsteady property, the wavelet analysis was used besides the analysis through the ordinary flatness factor and intermittency factor. In addition to some wavelet correlations, the wavelet intermittency was newly introduced. Through these wavelet analytic methods the properties of separated flow has been clarified.
