COOLING STRUCTURE, GAS TURBINE COMBUSTOR AND MANUFACTURING METHOD OF COOLING STRUCTURE
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United States of America Patent
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N/A
Issued Date -
Oct 11, 2012
app pub date -
Sep 23, 2011
filing date -
Apr 6, 2011
priority date (Note) -
Abandoned
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Abstract
A cooling structure, a gas turbine combustor, and a method of manufacturing the cooling structure attain a high cooling efficiency without increasing manufacturing cost. The cooling structure includes a first member as a cooling object having a first plane, and a second member arranged above the first plane and having an opposing second plane such that a passage is formed between the first plane and the second plane for a cooling medium to flow. The first member has a plurality of prominences each of which extends upwardly from the first plane, and extends to be inclined along a direction in which the cooling medium flows. A clearance between the second plane and a tip of each prominence is set such that a heat transfer rate between the cooling medium and the first member becomes larger than that when each prominence extends vertically upward from the first plane.
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