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The aerodynamic steering forces and moments on an axisymmetric bluff body are fluidically controlled by segmented vectoring of the outer flow through a mid-body axisymmetric cavity. Control is effected by an array of four individually-addressable, aft-facing synthetic jet actuators that emanate from the upstream end of the cavity over an integrated Coanda surface. The model is wire-mounted in the wind tunnel such that each support wire is instrumented with a miniature inline strain gage sensor for direct dynamic force measurements. The cavity flow field associated with quasi-steady and transitory actuation that results in asymmetric forces and moments is also characterized using high-resolution PIV measurements. It is shown that single jet actuation generates a quasi-steady, nearlymatched force couple at the upstream and downstream ends of the cavity. Transitory activation of multiple jets can be used to control the onset and sequencing of the couple forces and therefore the time history of the resultant force and moment.

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