GB2473949B - Fastback turbulator structure and turbine nozzle incorporating same - Google Patents

Fastback turbulator structure and turbine nozzle incorporating same

Info

Publication number
GB2473949B
GB2473949B GB1015936.6A GB201015936A GB2473949B GB 2473949 B GB2473949 B GB 2473949B GB 201015936 A GB201015936 A GB 201015936A GB 2473949 B GB2473949 B GB 2473949B
Authority
GB
United Kingdom
Prior art keywords
turbine nozzle
incorporating same
nozzle incorporating
turbulator structure
fastback turbulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB1015936.6A
Other versions
GB201015936D0 (en
GB2473949A (en
Inventor
Robert David Briggs
Shawn Michael Pearson
John Creighton Schilling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US12/618,241 external-priority patent/US8408872B2/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB201015936D0 publication Critical patent/GB201015936D0/en
Publication of GB2473949A publication Critical patent/GB2473949A/en
Application granted granted Critical
Publication of GB2473949B publication Critical patent/GB2473949B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/127—Vortex generators, turbulators, or the like, for mixing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/185—Two-dimensional patterned serpentine-like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2212—Improvement of heat transfer by creating turbulence
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1015936.6A 2009-09-24 2010-09-23 Fastback turbulator structure and turbine nozzle incorporating same Expired - Fee Related GB2473949B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24564909P 2009-09-24 2009-09-24
US12/618,241 US8408872B2 (en) 2009-09-24 2009-11-13 Fastback turbulator structure and turbine nozzle incorporating same

Publications (3)

Publication Number Publication Date
GB201015936D0 GB201015936D0 (en) 2010-10-27
GB2473949A GB2473949A (en) 2011-03-30
GB2473949B true GB2473949B (en) 2016-01-20

Family

ID=43065685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1015936.6A Expired - Fee Related GB2473949B (en) 2009-09-24 2010-09-23 Fastback turbulator structure and turbine nozzle incorporating same

Country Status (2)

Country Link
DE (1) DE102010037688A1 (en)
GB (1) GB2473949B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2599957A1 (en) * 2011-11-21 2013-06-05 Siemens Aktiengesellschaft Cooling fin system for a cooling channel and turbine blade
US10450874B2 (en) * 2016-02-13 2019-10-22 General Electric Company Airfoil for a gas turbine engine
US11131204B2 (en) * 2018-08-21 2021-09-28 General Electric Company Additively manufactured nested segment assemblies for turbine engines

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361828A (en) * 1993-02-17 1994-11-08 General Electric Company Scaled heat transfer surface with protruding ramp surface turbulators
US5626017A (en) * 1994-07-25 1997-05-06 Abb Research Ltd. Combustion chamber for gas turbine engine
EP0845580A2 (en) * 1993-12-28 1998-06-03 Kabushiki Kaisha Toshiba A heat transfer promoting structure
US6000466A (en) * 1995-05-17 1999-12-14 Matsushita Electric Industrial Co., Ltd. Heat exchanger tube for an air-conditioning apparatus
US6026892A (en) * 1996-09-13 2000-02-22 Poongsan Corporation Heat transfer tube with cross-grooved inner surface and manufacturing method thereof
EP1882818A1 (en) * 2006-07-18 2008-01-30 United Technologies Corporation Serpentine microcircuit vortex turbulators for blade cooling

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361828A (en) * 1993-02-17 1994-11-08 General Electric Company Scaled heat transfer surface with protruding ramp surface turbulators
EP0845580A2 (en) * 1993-12-28 1998-06-03 Kabushiki Kaisha Toshiba A heat transfer promoting structure
US5626017A (en) * 1994-07-25 1997-05-06 Abb Research Ltd. Combustion chamber for gas turbine engine
US6000466A (en) * 1995-05-17 1999-12-14 Matsushita Electric Industrial Co., Ltd. Heat exchanger tube for an air-conditioning apparatus
US6026892A (en) * 1996-09-13 2000-02-22 Poongsan Corporation Heat transfer tube with cross-grooved inner surface and manufacturing method thereof
EP1882818A1 (en) * 2006-07-18 2008-01-30 United Technologies Corporation Serpentine microcircuit vortex turbulators for blade cooling

Also Published As

Publication number Publication date
GB201015936D0 (en) 2010-10-27
DE102010037688A1 (en) 2011-03-31
GB2473949A (en) 2011-03-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170923