Title:
タービン翼、タービン及びタービン翼の冷却方法
Document Type and Number:
Japanese Patent JP6806599
Kind Code:
B2
Abstract:
A turbine blade includes a blade main body that includes a cooling flow path formed inside, through which a cooling medium flows; and a plurality of turbulators that are aligned in a flow direction of the cooling medium, project into the cooling flow path from an inner surface of the blade main body, and extend in a direction intersecting with the flow direction. At least one of the turbulators is a first turbulator. The first turbulator includes a first portion and a second portion. The first portion is connected to the first portion and has a projecting height from the inner surface that changes at a first change ratio along a direction intersecting with the flow direction. The second portion has a projecting height from the inner surface that changes at a second change ratio higher than the first change ratio along the direction intersecting with the flow direction.
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Inventors:
Hiroyuki Otomo
Application Number:
JP2017046430A
Publication Date:
January 06, 2021
Filing Date:
March 10, 2017
Export Citation:
Assignee:
Mitsubishi Power, Ltd.
International Classes:
F01D5/18
Domestic Patent References:
| JP2004316654A |
Foreign References:
| US8876475 | ||||
| US20080159874 | ||||
| US20160177738 |
Attorney, Agent or Firm:
Sakai International Patent Office