Abstract: An inlet assembly for a burner includes an inlet nozzle defining an inlet aperture, a non-circular outlet aperture, and a nozzle bore extending along a longitudinal axis between the inlet aperture and the outlet aperture for conveying an effluent gas stream from the inlet aperture to the outlet aperture for delivery to the combustion chamber of the burner. The nozzle bore extends from the inlet aperture to the non-circular outlet aperture. A baffle couples the inlet portion with the outlet portion, and defines a baffle aperture positioned within the nozzle bore. The baffle aperture has a reduced cross-sectional area compared to that of the outlet portion adjacent the baffle. A secondary gas stream nozzle provides a secondary gas stream. The secondary gas stream nozzle being positioned to mix the secondary gas stream with the effluent gas stream within the nozzle bore.

Abstract: An inlet assembly for a burner includes an inlet nozzle defining an inlet aperture, a non-circular outlet aperture, and a nozzle bore extending along a longitudinal axis between the inlet aperture and the outlet aperture for conveying an effluent gas stream from the inlet aperture to the outlet aperture for delivery to the combustion chamber of the burner. The nozzle bore extends from the inlet aperture to the non-circular outlet aperture. A baffle couples the inlet portion with the outlet portion, and defines a baffle aperture positioned within the nozzle bore. The baffle aperture has a reduced cross-sectional area compared to that of the outlet portion adjacent the baffle. A secondary gas stream nozzle provides a secondary gas stream. The secondary gas stream nozzle being positioned to mix the secondary gas stream with the effluent gas stream within the nozzle bore.