초록 ▼

A thrust augmentor for a turbofan, gas turbine engine is disclosed. Techniques for mixing and burning dissimilar density gases in a thrust augmentor are developed. In accordance with one specific teaching the flame front in a swirl augmentor is stabilized by a continuously operative pilot burner. Th

A thrust augmentor for a turbofan, gas turbine engine is disclosed. Techniques for mixing and burning dissimilar density gases in a thrust augmentor are developed. In accordance with one specific teaching the flame front in a swirl augmentor is stabilized by a continuously operative pilot burner. The pilot burner is positioned in the radially outward portion of the augmentor. The pilot burner employs fuel premixing techniques and is adapted to operate at low inlet pressure levels.

대표청구항 ▼

An augmentor structure of the type adapted for use with a gas turbine engine having a core stream and a bypass stReam of relatively high density working medium gases wherein said augmentor includes: an annular pilot burner circumscribing said bypass stream and adapted to produce during operation an

An augmentor structure of the type adapted for use with a gas turbine engine having a core stream and a bypass stReam of relatively high density working medium gases wherein said augmentor includes: an annular pilot burner circumscribing said bypass stream and adapted to produce during operation an annular stream of relatively low density working medium gases; means for injecting fuel into said core and bypass stream; and means for inducing swirl in said core and bypass streams such that the medium gases of the core and bypass streams are impelled radially outward into said medium gases emanating from the pilot burner; wherein said annular pilot burner is of the premixing type.