blowing boundary-layer control

blowing boundary-layer control

[′blō·iŋ ′bau̇n·drē ‚lā·ər kən′trōl]
(aerospace engineering)
A technique that is used in addition to purely geometric means to control boundary-layer flow; it consists of reenergizing the retarded flow in the boundary layer by supplying high-velocity flow through slots or jets on the surface of the body.