Abstract
The flow around a circular cylinder, which is placed near a rigid plane boundary, with tangential blowing is investigated experimentally under the condition of Re=2.7×10^4. The Flow visualization and velocity measurements were carried out for various momentum coefficient Cμ and clearances between the circular cylinder and the rigid plane boundary. The results of experiment show that the reverse flow patterns are classified into two cases, one being the reverse flow occurring periodically, and the other occurring steadily. For the case of the reverse flow occurring periodically, the characteristics of the lift force can be represented by a new nominal jet momentum coefficient Cμ'.
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