An injector head for an anti-icing system may comprise a body having a first surface, a second surface, a face, and an inlet, a first sweeping jet nozzle having a first exit port through the face, wherein the first sweeping jet nozzle comprises a fluid oscillator defining a first sweeping plane of the first sweeping jet nozzle, and a distribution manifold within the body in fluid communication with the inlet and the first sweeping jet nozzle.