A bleed structure for a bleed passage in a gas turbine engine includes a first wall portion defining a first side of an opening for the passage, and a second wall portion defining a second side, opposite the first side of the opening. The air cap defines an annular pressurized air orifice about the spray tip nose portion and a plurality of angled air passages disposed radially outwardly thereof. \u201d Applications contemplated for such light strings include, but are not limited to, decorative and entertainment-oriented lighting applications.