The separation interference mechanism in aerodynamic response control of the square prism by PIV

Abstract

Standing on consideration that an aeroelastic vibration of the bridge isphenomenon caused by separation flow at leading edge of a structure,Kubo started his research on suppression of aeroelastic vibration bycontrolling the separation flow at the leading edge and named it as"Separation Interference Method". The Separation Interference Method is the method to suppress theaeroelastic vibration caused by the separation flow, through separationinterference effect that is generated by setting the first and thesecond separation points around leading edges of the structure. Although the usefulness of the Separation Interference Method isconfirmed, the detail mechanism is not yet made clear. Therefore, thepurpose of the present research is to make clear the mechanism ofSeparation Interference Method.