CPC F23R 3/12 (2013.01) [F23R 3/04 (2013.01); F23R 3/14 (2013.01); F23R 3/283 (2013.01); F23R 2900/03041 (2013.01); F23R 2900/03042 (2013.01)] | 20 Claims |
1. A dome-deflector structure for a combustor of a gas turbine, the dome-deflector structure comprising:
a dome portion having a dome-side swirler opening therethrough; and
a deflector portion having a deflector-side swirler opening therethrough, the dome portion and the deflector portion being connected together to form a dome-deflector cavity therebetween,
wherein the dome portion includes a plurality of dome-side cooling airflow passages therethrough arranged in a plurality of groups of dome-side cooling airflow passages including a first group of dome-side cooling airflow passages arranged to provide a flow of air therethrough in a first swirl direction, a second group of dome-side cooling airflow passages arranged to provide a flow of air therethrough in a second swirl direction different from the first swirl direction, and a third group of dome-side cooling airflow passages arranged to provide a flow of air therethrough in a third swirl direction opposite the second swirl direction.
|