A cooling article and method of forming a cooling article are provided. The cooling article includes a body portion separating an inner region and an outer region, an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region, and a cooling feature extending a
A cooling article and method of forming a cooling article are provided. The cooling article includes a body portion separating an inner region and an outer region, an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region, and a cooling feature extending away from an outer surface of the body portion. The cooling feature disturbs fluid flow in the outer region. The method of forming a cooling article includes forming a body portion defining an inner region and an outer region, forming an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region, and forming a cooling feature extending away from an outer surface of the body portion. The cooling article is arranged and disposed for insertion within a hot gas path component of a turbine engine.
대표청구항▼
1. A cooling article comprising: a body portion separating an inner region and an outer region;an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region; anda cooling feature extending away from an outer surface of the body portion, the cooling feature inc
1. A cooling article comprising: a body portion separating an inner region and an outer region;an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region; anda cooling feature extending away from an outer surface of the body portion, the cooling feature including a semi-circular geometry;wherein the cooling feature disturbs fluid flow in the outer region; andwherein the cooling article is arranged and disposed for insertion within a hot gas path component of a turbine engine. 2. The cooling article of claim 1, wherein the cooling feature is selected from the group consisting of a pin, a bump, a dimple, a shielding member, and combinations thereof. 3. The cooling article of claim 1, wherein the cooling feature is positioned adjacent to the aperture. 4. The cooling article of claim 3, wherein the cooling feature is arranged and disposed to direct cross-flow away from the aperture. 5. The cooling article of claim 1, wherein the cooling article comprises a plurality of additional cooling features extending away from the outer surface of the body portion; and wherein each additional cooling feature of the plurality of additional cooling features is selected from the group consisting of a pin, a bump, a dimple, a shielding member, and combinations thereof. 6. The cooling article of claim 5, wherein the cooling feature and at least one of the additional cooling features include different geometries. 7. The cooling article of claim 5, wherein a packing of the plurality of additional cooling features varies along the body portion. 8. The cooling article of claim 1, wherein the hot gas path component is a turbine nozzle, and wherein the cooling article is arranged and disposed for insertion within the turbine nozzle. 9. The cooling article of claim 8, wherein the cooling feature is arranged and disposed to provide near wall turbulence. 10. The cooling article of claim 8, wherein the cooling feature is arranged and disposed to contact an inner surface of the turbine nozzle when the cooling article is inserted therein. 11. A cooling article comprising: a body portion separating an inner region and an outer region;a plurality of apertures in the body portion, the apertures fluidly connecting the inner region to the outer region; anda plurality of cooling features extending away from an outer surface of the body portion, at least one of the plurality of cooling features including a semi-circular geometry;wherein the cooling article is arranged and disposed within a turbine nozzle; andwherein the plurality of cooling features provides heat transfer from the turbine nozzle. 12. A method of forming a cooling article, the method comprising: forming a body portion defining an inner region and an outer region;forming an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region; andforming a cooling feature extending away from an outer surface of the body portion, wherein the cooling feature includes a semi-circular geometry; andwherein the cooling article is arranged and disposed for insertion within a hot gas path component of a turbine engine. 13. The method of claim 12, wherein the forming of the cooling feature includes arranging and disposing the cooling feature to direct cross-flow away from the aperture. 14. The method of claim 12, further comprising forming a plurality of additional cooling features extending away from the outer surface of the body portion. 15. The method of claim 14, further comprising varying a geometry of at least one of the plurality of additional cooling features. 16. The method of claim 14, further comprising varying a packing of the plurality of additional cooling features along the body portion. 17. The method of claim 14, further comprising arranging and disposing the cooling feature and the plurality of additional cooling features to turbulate a coolant flow in the outer region.
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이 특허에 인용된 특허 (27)
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