GAS TURBINE TRANSITION COMPONENT HAVING SURFACE WITH DIMPLES, AND RELATED METHOD

Title:

GAS TURBINE TRANSITION COMPONENT HAVING SURFACE WITH DIMPLES, AND RELATED METHOD

Document Type and Number:

Japanese Patent JP2004177109

Kind Code:

A

Abstract:

To provide improved convective cooling design for a transition component assembly.

The transition component assembly 42 includes a transition component 44 with one end connected to a gas turbine combustor, and with the other end connected to the first turbine stage, and a plurality of recessed dimples is formed on an outer circumferential surface in the transition component. An impingement flow sleeve 46 surrounds the transition component 44, and a plenum 54 is formed with respect to the transition component therebetween. A plurality of cooling openings 52 is formed in the impingement sleeve to introduce compressor cooling air into the plenum.

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Inventors:

BUNKER RONALD SCOTT

Application Number:

JP2003391554A

Publication Date:

June 24, 2004

Filing Date:

November 21, 2003

Export Citation:

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Assignee:

GEN ELECTRIC

International Classes:

F23R3/42; F01D9/02; F02C7/12; F02C7/18; (IPC1-7): F23R3/42; F02C7/18

Attorney, Agent or Firm:

Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito

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