Near-wall serpentine cooled turbine airfoil

Lee, Ching-Pang

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Title: Near-wall serpentine cooled turbine airfoil

Abstract

A serpentine coolant flow path is formed by inner walls in a cavity between pressure and suction side walls of a turbine airfoil, the cavity partitioned by one or more transverse partitions into a plurality of continuous serpentine cooling flow streams each having a respective coolant inlet.

Inventors:: Lee, Ching-Pang

Issue Date:: 2014-10-28

Research Org.:: Mikro Systems, Inc., Charlottesville, VA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1162125

Patent Number(s):: 8870537

Application Number:: 13/942,782

Assignee:: Mikro Systems, Inc. (Charlottesville, VA)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES

F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05D - INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS

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F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
F01D25/12 - Cooling
F01D5/187 - {Convection cooling}

F - MECHANICAL ENGINEERING F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04 F05D - INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
F05D2250/185 - serpentine-like
F05D2260/202 - by film cooling
F05D2260/22141 - using fins or ribs

Show less

DOE Contract Number:: FC26-05NT42644

Resource Type:: Patent

Resource Relation:: Patent File Date: 2013 Jul 16

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING

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                    Lee, Ching-Pang. Near-wall serpentine cooled turbine airfoil.  United States: N. p., 2014. 
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                    Lee, Ching-Pang. Near-wall serpentine cooled turbine airfoil.  United States.

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                    Lee, Ching-Pang. Tue .  
        "Near-wall serpentine cooled turbine airfoil".  United States.  https://www.osti.gov/servlets/purl/1162125.

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@article{osti_1162125,

  title        = {Near-wall serpentine cooled turbine airfoil},

  author       = {Lee, Ching-Pang},

  abstractNote = {A serpentine coolant flow path is formed by inner walls in a cavity between pressure and suction side walls of a turbine airfoil, the cavity partitioned by one or more transverse partitions into a plurality of continuous serpentine cooling flow streams each having a respective coolant inlet.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2014},

  month        = {10}

}

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Works referenced in this record:

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Lee, Ching-Pang; Durgin, George A.; Harris, Robert
US Patent Document 5,967,752
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Liang, George
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Air cooled turbine airfoil with sequential impingement cooling
patent, May 2012

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patent, September 2012

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patent, November 2012

Downs, James P.
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Air cooled turbine airfoil with sequential impingement cooling
patent, December 2012

Downs, James P.; Fedock, John A.
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