Combustor liner cooling system
First Claim
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1. A combustor liner comprising:
- an upstream portion;
a downstream end portion extending from the upstream portion along a generally longitudinal axis, the downstream end portion including an inner surface and an outer surface, the inner surface defining a plurality of microchannels, each of the plurality of microchannels extending longitudinally along the inner surface, the downstream end portion further defining a plurality of passages extending between the inner surface and the outer surface, wherein the plurality of microchannels are fluidly connected to the plurality of passages such that each of the plurality of passages is directly connected to one of the plurality of microchannels; and
a cover layer associated with the inner surface of the downstream end portion,wherein the plurality of microchannels are configured to flow a cooling medium therethrough, cooling the combustor liner.
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Abstract
A combustor liner is disclosed. The combustor liner includes an upstream portion, a downstream end portion extending from the upstream portion along a generally longitudinal axis, and a cover layer associated with an inner surface of the downstream end portion. The downstream end portion includes the inner surface and an outer surface, the inner surface defining a plurality of microchannels. The downstream end portion further defines a plurality of passages extending between the inner surface and the outer surface. The plurality of microchannels are fluidly connected to the plurality of passages, and are configured to flow a cooling medium therethrough, cooling the combustor liner.
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Citations
20 Claims
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1. A combustor liner comprising:
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an upstream portion; a downstream end portion extending from the upstream portion along a generally longitudinal axis, the downstream end portion including an inner surface and an outer surface, the inner surface defining a plurality of microchannels, each of the plurality of microchannels extending longitudinally along the inner surface, the downstream end portion further defining a plurality of passages extending between the inner surface and the outer surface, wherein the plurality of microchannels are fluidly connected to the plurality of passages such that each of the plurality of passages is directly connected to one of the plurality of microchannels; and a cover layer associated with the inner surface of the downstream end portion, wherein the plurality of microchannels are configured to flow a cooling medium therethrough, cooling the combustor liner. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A combustor comprising:
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a combustor liner at least partially defining a hot gas path, the combustor liner including an upstream portion and a downstream end portion extending from the upstream portion along a generally longitudinal axis, the downstream end portion including an inner surface and an outer surface, the inner surface defining a plurality of microchannels, each of the plurality of microchannels extending longitudinally along the inner surface, the downstream end portion further defining a plurality of passages extending between the inner surface and the outer surface, wherein the plurality of microchannels are fluidly connected to the plurality of passages; a cover layer associated with the inner surface of the downstream end portion; a transition piece coupled to the combustor liner and further defining the hot gas path; and a sealing ring providing a seal between the combustor liner and the transition piece, wherein the plurality of microchannels are configured to flow a cooling medium therethrough, cooling the combustor liner. - View Dependent Claims (18, 19, 20)
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Specification