Double dome, single anular combustor with daisy mixer

Details Double dome, single anular combustor with daisy mixer Double dome, single anular combustor with daisy mixer

1990-06-12

1994-02-08

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

60747, F02G 100

Patent

active

052840190

ABSTRACT:
This disclosure describes a single shell, double dome combustor design configuration with the intermediate dividing wall between the two annuli removed, thereby reducing weight and cost, and improving durability. An annular daisy type mixer is positioned between the domes to improve the mixing of air and combustor gases prior to the exiting of the gases from the combustor to the turbine vanes. The daisy mixer positioned downstream of the domes to provides effective, low pressure loss mixing at a a controlled axial rate, by creating effective cross-flow barriers to avoid uncontrolled fuel/air ratio transfer between the inner and outer annuli, and thereby allows a concentric and controlled axial air admission in conjunction with the individual swirlers.

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