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Title:
COOLING STRUCTURE FOR GAS TURBINE ENGINE
Document Type and Number:
WIPO Patent Application WO/2017/209127
Kind Code:
A1
Abstract:
Provided is a structure that cools a constituent member (5) of a gas turbine (GT) using a working gas (A), wherein: a plurality of heat transfer enhancement ribs (15), each in the shape of a letter W, are provided protruding from a wall surface of a flow channel wall (13) that faces a cooling medium flow channel (19) through which a cooling medium (CL) flows; upstream-facing angle parts (21a) of the heat transfer enhancement ribs (15) are formed into angled shapes; and at least one of corner parts (21b, 23b) and angle parts (23a) other than the upstream-facing angle parts (21a) are formed into curved shapes.

Inventors:
TSURU TOMOKO (JP)
ISHIDA KATSUHIKO (JP)
KAWAHARA YUWA (JP)
Application Number:
PCT/JP2017/020096
Publication Date:
December 07, 2017
Filing Date:
May 30, 2017
Export Citation:
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Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F02C7/18; F23R3/42
Foreign References:
JP2007132640A2007-05-31
JP2006100293A2006-04-13
US20150377029A12015-12-31
JP2006002758A2006-01-05
JP2005002899A2005-01-06
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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