A 2-D incompressible channel flow with periodic condition along one axis is considered. The stabilization of it is achieved by a boundary feedback controller with tangential velocity observation which acts on the steamwise component of the velocity only. There are no a priori conditions imposed on the viscosity coefficient $ \nu$, that is, on the Reynolds number.
"Tangential feedback stabilization of periodic flows in a 2-D channel." Differential Integral Equations 24 (5/6) 469 - 494, May/June 2011.