Overlapping herringbone filmhole patterned surfaces
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Aug 10, 2015
filing date -
Aug 10, 2015
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Abstract
A surface structure having an overlapping herringbone filmhole pattern is disclosed. For instance, the surface structure may have filmholes arranged in filmrows, each filmrow divided into groups of filmholes. A first group may be oriented to direct cooling air generally outward over a surface of the surface structure and a second group may be oriented to direct cooling air generally inward over a surface of the surface structure. Between the first group and the second group of filmholes in each filmrow, a transition region exists. A transition region filmrow group may be disposed within the transition region and may be collinear with or staggered relative to the first group and/or the second group. In this manner, the transition region filmrow group enhances the effectiveness of the cooling proximate to the transition region.
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