Turbofan augmentor flameholder

Details Turbofan augmentor flameholder Turbofan augmentor flameholder

1978-05-11

1980-01-29

Hart, Douglas

Power plants

Reaction motor

Liquid oxidizer

60 3972R, F02G 300

Patent

active

041854586

ABSTRACT:
A turbofan augmentor flameholder having a hollow ring-like structure of annular configuration concentric with the center line of a turbine of a turbofan engine. The ring-like structure has protruding therefrom in the radial direction a first group of hollow gutters extending in a direction toward the center line of the turbine and a second group of hollow gutters extending from the ring-like structure in a direction away from the center line and toward the outer casing of the turbofan engine. The second group of gutters have a vee-shaped angular configurated portion in a direction toward the turbine. The angular configurated portion gradually increases in angle along the gutter in the radial direction as a direct function of its distance from the ring-like structure. Such a relationship provides optimum efficiency for the dispersion of hot exhaust gases from the turbine to the flameholder for gas turbofan engine augmentation.

REFERENCES:
patent: 3002352 (1961-10-01), Helfrich
patent: 3085401 (1963-04-01), Lefebvre
patent: 3153324 (1964-10-01), Meyer
patent: 3170294 (1965-02-01), Meyer
patent: 3295325 (1967-01-01), Nelson
patent: 3485045 (1969-12-01), Riecke
patent: 3800527 (1974-04-01), Marshall
patent: 3931707 (1976-01-01), Vdoviak

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