ARTICLE AND METHOD OF COOLING AN ARTICLE

摘要

An article and method of cooling an article are provided. The article includes a body portion having an inner surface and an outer surface, the inner surface defining an inner region, at least one up-pass cavity formed within the inner region and extending from a base of the body portion towards a tip of the body portion, and a cap formed in each up-pass cavity, each cap being adjacent to the tip of the body portion, having at least one aperture formed therein, and being arranged and disposed to direct fluid towards the tip of the body potion. The method includes directing a fluid into the first up-pass cavity, passing the fluid through at least one aperture in the cap, contacting the tip of the article with the fluid, receiving the post-impingement fluid within a down-pass cavity, and directing the post-impingement fluid through the down-pass cavity.

主权项

1. An article, comprising:
a body portion having an inner surface and an outer surface, the inner surface defining an inner region; at least one up-pass cavity formed within the inner region, the at least one up-pass cavity extending from a base of the body portion towards a tip of the body portion; and a cap formed in each up-pass cavity, each cap being adjacent to the tip of the body portion and having at least one aperture formed therein; wherein each cap is arranged and disposed to direct fluid from the at least one up-pass cavity, through the at least one aperture formed therein, and towards the tip of the body potion.