CA2872247A1 - Orifices de refroidissement bifurques de bord de fuite de surface portante de turbine - Google Patents

Orifices de refroidissement bifurques de bord de fuite de surface portante de turbine Download PDF

Info

Publication number
CA2872247A1
CA2872247A1 CA2872247A CA2872247A CA2872247A1 CA 2872247 A1 CA2872247 A1 CA 2872247A1 CA 2872247 A CA2872247 A CA 2872247A CA 2872247 A CA2872247 A CA 2872247A CA 2872247 A1 CA2872247 A1 CA 2872247A1
Authority
CA
Canada
Prior art keywords
airfoil
trailing edge
section
lands
spanwise
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.)
Abandoned
Application number
CA2872247A
Other languages
English (en)
Inventor
Robert Frederick Bergholz, Jr.
Daniel Lee Durstock
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
Application filed by General Electric Co filed Critical General Electric Co
Publication of CA2872247A1 publication Critical patent/CA2872247A1/fr
Abandoned legal-status Critical Current

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
    • 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
    • F01D9/00—Stators
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
    • 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
    • F05D2250/14—Two-dimensional elliptical
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/323—Arrangement of components according to their shape convergent
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/324—Arrangement of components according to their shape divergent
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CA2872247A 2012-05-08 2013-04-11 Orifices de refroidissement bifurques de bord de fuite de surface portante de turbine Abandoned CA2872247A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/466,508 2012-05-08
US13/466,508 US20130302177A1 (en) 2012-05-08 2012-05-08 Turbine airfoil trailing edge bifurcated cooling holes
PCT/US2013/036056 WO2014011276A2 (fr) 2012-05-08 2013-04-11 Orifices de refroidissement bifurqués de bord de fuite de surface portante de turbine

Publications (1)

Publication Number Publication Date
CA2872247A1 true CA2872247A1 (fr) 2014-01-16

Family

ID=49517619

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2872247A Abandoned CA2872247A1 (fr) 2012-05-08 2013-04-11 Orifices de refroidissement bifurques de bord de fuite de surface portante de turbine

Country Status (7)

Country Link
US (1) US20130302177A1 (fr)
EP (1) EP2855851A2 (fr)
JP (1) JP2015516053A (fr)
CN (1) CN104285039A (fr)
BR (1) BR112014026871A2 (fr)
CA (1) CA2872247A1 (fr)
WO (1) WO2014011276A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10107107B2 (en) * 2012-06-28 2018-10-23 United Technologies Corporation Gas turbine engine component with discharge slot having oval geometry
US9732617B2 (en) 2013-11-26 2017-08-15 General Electric Company Cooled airfoil trailing edge and method of cooling the airfoil trailing edge
EP2921647A1 (fr) 2014-03-20 2015-09-23 Alstom Technology Ltd Aube de turbine à gaz avec bord d'attaque et bord de fuite courbés
US9638046B2 (en) * 2014-06-12 2017-05-02 Pratt & Whitney Canada Corp. Airfoil with variable land width at trailing edge
US10301954B2 (en) * 2016-01-08 2019-05-28 General Electric Company Turbine airfoil trailing edge cooling passage
US10260354B2 (en) 2016-02-12 2019-04-16 General Electric Company Airfoil trailing edge cooling
KR101853550B1 (ko) * 2016-08-22 2018-04-30 두산중공업 주식회사 가스 터빈 블레이드
US10570747B2 (en) * 2017-10-02 2020-02-25 DOOSAN Heavy Industries Construction Co., LTD Enhanced film cooling system
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
JP7362997B2 (ja) * 2021-06-24 2023-10-18 ドゥサン エナービリティー カンパニー リミテッド タービンブレードおよびこれを含むタービン
CN114776388B (zh) * 2022-05-26 2022-09-23 中国航发四川燃气涡轮研究院 航空发动机涡轮叶片尾缘主动强化冷却结构

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368441A (en) * 1992-11-24 1994-11-29 United Technologies Corporation Turbine airfoil including diffusing trailing edge pedestals
JP2000230402A (ja) * 1999-02-08 2000-08-22 Toshiba Corp 温度制御構造を有する流体機器、同機器を適用したガスタービン、ガスタービン用燃焼器および冷凍サイクル装置
US6234754B1 (en) * 1999-08-09 2001-05-22 United Technologies Corporation Coolable airfoil structure
US6254334B1 (en) * 1999-10-05 2001-07-03 United Technologies Corporation Method and apparatus for cooling a wall within a gas turbine engine
US6969230B2 (en) * 2002-12-17 2005-11-29 General Electric Company Venturi outlet turbine airfoil
US6890154B2 (en) * 2003-08-08 2005-05-10 United Technologies Corporation Microcircuit cooling for a turbine blade
FR2864990B1 (fr) * 2004-01-14 2008-02-22 Snecma Moteurs Perfectionnements apportes aux fentes d'evacuation de l'air de refroidissement d'aubes de turbine haute-pression
US7246999B2 (en) * 2004-10-06 2007-07-24 General Electric Company Stepped outlet turbine airfoil
US7156620B2 (en) * 2004-12-21 2007-01-02 Pratt & Whitney Canada Corp. Internally cooled gas turbine airfoil and method
US7575414B2 (en) * 2005-04-01 2009-08-18 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7503749B2 (en) * 2005-04-01 2009-03-17 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7438527B2 (en) * 2005-04-22 2008-10-21 United Technologies Corporation Airfoil trailing edge cooling
US8096771B2 (en) * 2008-09-25 2012-01-17 Siemens Energy, Inc. Trailing edge cooling slot configuration for a turbine airfoil
US20110268583A1 (en) * 2010-04-30 2011-11-03 General Electric Company Airfoil trailing edge and method of manufacturing the same
US8613597B1 (en) * 2011-01-17 2013-12-24 Florida Turbine Technologies, Inc. Turbine blade with trailing edge cooling

Also Published As

Publication number Publication date
WO2014011276A2 (fr) 2014-01-16
EP2855851A2 (fr) 2015-04-08
WO2014011276A3 (fr) 2014-03-20
US20130302177A1 (en) 2013-11-14
JP2015516053A (ja) 2015-06-04
CN104285039A (zh) 2015-01-14
BR112014026871A2 (pt) 2017-07-11

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Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20170411