Transpiration cooled throat section for low NOx combustor and re

Details Transpiration cooled throat section for low NOx combustor and re Transpiration cooled throat section for low NOx combustor and re

1990-05-03

1992-07-07

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

60733, 60754, F23R 354, F02C 300

Patent

active

051272210

ABSTRACT:
A method and apparatus are provided for reducing NOx emissions in dual stage, dual mode gas turbine combustors. The gas turbine combustor includes first and second combustion chambers separated by a reduced diameter throat section. The throat section is formed by converging and diverging wall sections constructed of porous material. A liner is provided in surrounding relationship to the throat region to form a plenum by which predetermined amounts of air are metered into the plenum and permitted to pass through the porous throat wall sections.

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