Title:
TURBINE BLADE, TURBINE, AND METHOD FOR COOLING TURBINE BLADE
Document Type and Number:
WIPO Patent Application WO/2018/163877
Kind Code:
A1
Abstract:
A first turbulator 41R which is at least one of a plurality of turbulators comprises: a first section 411 which has a constant projection height from an inner surface 40S; and a second section 412 which is connected at one end to the first section 411, and the projection height of which from the inner surface 40S gradually changes along a direction intersecting a flow direction. At least one of the plurality of turbulators is the first turbulator 41R. The first turbulator 41R comprises: the first section 411, the projection height of which from the inner surface 40S changes at a first change rate along the direction intersecting the flow direction; and the second section 412 which has at one end a connection point PC connected to the first section 411, and the projection height of which from the inner surface 40S changes at a second change rate greater than the first change rate along the direction intersecting the flow direction.
Inventors:
OTOMO HIROYUKI (JP)
Application Number:
PCT/JP2018/006900
Publication Date:
September 13, 2018
Filing Date:
February 26, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D5/18; F01D9/02; F01D25/12; F02C7/18
Foreign References:
| US8876475B1 | 2014-11-04 | |||
| JP2004316654A | 2004-11-11 | |||
| US20080159874A1 | 2008-07-03 | |||
| US20160177738A1 | 2016-06-23 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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