DE68908227D1 - Wand mit kuehlungsbohrungen. - Google Patents

Wand mit kuehlungsbohrungen.

Info

Publication number
DE68908227D1
DE68908227D1 DE8989300929T DE68908227T DE68908227D1 DE 68908227 D1 DE68908227 D1 DE 68908227D1 DE 8989300929 T DE8989300929 T DE 8989300929T DE 68908227 T DE68908227 T DE 68908227T DE 68908227 D1 DE68908227 D1 DE 68908227D1
Authority
DE
Germany
Prior art keywords
wall
cooling holes
cooling
holes
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
DE8989300929T
Other languages
English (en)
Other versions
DE68908227T2 (de
Inventor
Meir Ben-Amoz
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
Application granted granted Critical
Publication of DE68908227D1 publication Critical patent/DE68908227D1/de
Publication of DE68908227T2 publication Critical patent/DE68908227T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F01D5/186—Film cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/822—Heat insulating structures or liners, cooling arrangements, e.g. post combustion liners; Infrared radiation suppressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
    • F23R3/04—Air inlet arrangements
    • F23R3/06—Arrangement of apertures along the flame tube
    • 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
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/231—Three-dimensional prismatic cylindrical
    • 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
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/03042—Film cooled combustion chamber walls or domes
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE89300929T 1988-04-01 1989-01-31 Wand mit Kühlungsbohrungen. Expired - Fee Related DE68908227T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/175,878 US4923371A (en) 1988-04-01 1988-04-01 Wall having cooling passage

Publications (2)

Publication Number Publication Date
DE68908227D1 true DE68908227D1 (de) 1993-09-16
DE68908227T2 DE68908227T2 (de) 1994-04-07

Family

ID=22642028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89300929T Expired - Fee Related DE68908227T2 (de) 1988-04-01 1989-01-31 Wand mit Kühlungsbohrungen.

Country Status (7)

Country Link
US (1) US4923371A (de)
EP (1) EP0335481B1 (de)
JP (1) JPH0223233A (de)
CN (1) CN1016083B (de)
AU (1) AU607566B2 (de)
CA (1) CA1293865C (de)
DE (1) DE68908227T2 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2048726A1 (en) * 1990-11-15 1992-05-16 Phillip D. Napoli Combustor liner with circumferentially angled film cooling holes
US5181379A (en) * 1990-11-15 1993-01-26 General Electric Company Gas turbine engine multi-hole film cooled combustor liner and method of manufacture
US5233828A (en) * 1990-11-15 1993-08-10 General Electric Company Combustor liner with circumferentially angled film cooling holes
CA2056592A1 (en) * 1990-12-21 1992-06-22 Phillip D. Napoli Multi-hole film cooled combustor liner with slotted film starter
GB9127505D0 (en) * 1991-03-11 2013-12-25 Gen Electric Multi-hole film cooled afterburner combustor liner
US5241827A (en) * 1991-05-03 1993-09-07 General Electric Company Multi-hole film cooled combuster linear with differential cooling
US5228455A (en) * 1991-05-20 1993-07-20 Siemens Pacesetter, Inc. Implant tool for extendable/retractable positive fixation lead
US5255849A (en) * 1991-11-05 1993-10-26 General Electric Company Cooling air transfer apparatus for aircraft gas turbine engine exhaust nozzles
US5720434A (en) * 1991-11-05 1998-02-24 General Electric Company Cooling apparatus for aircraft gas turbine engine exhaust nozzles
US5273016A (en) * 1992-09-30 1993-12-28 Outboard Marine Corporation Throttle lever position sensor for two-stroke fuel injected engine
US5419681A (en) * 1993-01-25 1995-05-30 General Electric Company Film cooled wall
US6092982A (en) * 1996-05-28 2000-07-25 Kabushiki Kaisha Toshiba Cooling system for a main body used in a gas stream
GB9615394D0 (en) * 1996-07-23 1996-09-04 Rolls Royce Plc Gas turbine engine rotor disc with cooling fluid passage
US6383602B1 (en) * 1996-12-23 2002-05-07 General Electric Company Method for improving the cooling effectiveness of a gaseous coolant stream which flows through a substrate, and related articles of manufacture
JP4067709B2 (ja) * 1999-08-23 2008-03-26 三菱重工業株式会社 ロータ冷却空気供給装置
US20040094287A1 (en) * 2002-11-15 2004-05-20 General Electric Company Elliptical core support and plug for a turbine bucket
GB0302347D0 (en) * 2003-01-31 2003-03-05 Rolls Royce Plc Electro discharge machining
US20080028606A1 (en) * 2006-07-26 2008-02-07 General Electric Company Low stress turbins bucket
US7820267B2 (en) * 2007-08-20 2010-10-26 Honeywell International Inc. Percussion drilled shaped through hole and method of forming
US20090324387A1 (en) * 2008-06-30 2009-12-31 General Electric Company Aft frame with oval-shaped cooling slots and related method
US8066482B2 (en) * 2008-11-25 2011-11-29 Alstom Technology Ltd. Shaped cooling holes for reduced stress
GB0912796D0 (en) * 2009-07-23 2009-08-26 Cummins Turbo Tech Ltd Compressor,turbine and turbocharger
FR2970666B1 (fr) * 2011-01-24 2013-01-18 Snecma Procede de perforation d'au moins une paroi d'une chambre de combustion
JP5536001B2 (ja) * 2011-09-20 2014-07-02 株式会社日立製作所 ガスタービン翼フィルム冷却孔の設定方法及びガスタービン翼
FR2982008B1 (fr) * 2011-10-26 2013-12-13 Snecma Paroi annulaire de chambre de combustion a refroidissement ameliore au niveau des trous primaires et de dilution
US9234438B2 (en) * 2012-05-04 2016-01-12 Siemens Aktiengesellschaft Turbine engine component wall having branched cooling passages
US10689986B1 (en) * 2012-06-01 2020-06-23 United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration High blowing ratio high effectiveness film cooling configurations
CA2875028A1 (en) 2012-06-13 2013-12-19 General Electric Company Gas turbine engine wall
BR112015002552A2 (pt) * 2012-08-06 2018-05-22 Gen Electric aerofólio de turbina e método de produção de um aerofólio de turbina
US9376920B2 (en) * 2012-09-28 2016-06-28 United Technologies Corporation Gas turbine engine cooling hole with circular exit geometry
US9429323B2 (en) 2014-05-15 2016-08-30 General Electric Technology Gmbh Combustion liner with bias effusion cooling
US20160153282A1 (en) * 2014-07-11 2016-06-02 United Technologies Corporation Stress Reduction For Film Cooled Gas Turbine Engine Component
EP2998512A1 (de) * 2014-09-17 2016-03-23 United Technologies Corporation Filmgekühlte bauteile und zugehöriges betriebsverfahren
US9957810B2 (en) * 2014-10-20 2018-05-01 United Technologies Corporation Film hole with protruding flow accumulator
FR3037107B1 (fr) * 2015-06-03 2019-11-15 Safran Aircraft Engines Paroi annulaire de chambre de combustion a refroidissement optimise
US10458252B2 (en) 2015-12-01 2019-10-29 United Technologies Corporation Cooling passages for a gas path component of a gas turbine engine
US10704469B2 (en) * 2017-07-07 2020-07-07 Woodward, Inc. Auxiliary Torch Ingnition
FR3100284B1 (fr) * 2019-08-30 2021-12-03 Safran Aircraft Engines Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent chacun un conduit de circulation d’air de refroidissement
FR3121854B1 (fr) * 2021-04-20 2024-03-08 Safran Aircraft Engines Procédé de perçage d’un trou de refroidissement dans un composant d’une turbomachine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB845227A (en) * 1957-09-02 1960-08-17 Rolls Royce Improvements in turbine blades and methods of manufacturing same
GB1018747A (en) * 1964-11-13 1966-02-02 Rolls Royce Aerofoil shaped blade for fluid flow machines
US3527543A (en) * 1965-08-26 1970-09-08 Gen Electric Cooling of structural members particularly for gas turbine engines
GB1093515A (en) * 1966-04-06 1967-12-06 Rolls Royce Method of producing combustion chambers and similar components for gas turbine engines
US3420058A (en) * 1967-01-03 1969-01-07 Gen Electric Combustor liners
US3457619A (en) * 1967-11-28 1969-07-29 Gen Electric Production of perforated metallic bodies
GB1320482A (en) * 1971-01-25 1973-06-13 Secr Defence Cooling of hot fluid ducts
GB1381481A (en) * 1971-08-26 1975-01-22 Rolls Royce Aerofoil-shaped blades
US3819295A (en) * 1972-09-21 1974-06-25 Gen Electric Cooling slot for airfoil blade
JPS51202A (ja) * 1974-06-19 1976-01-05 Matsushita Electric Ind Co Ltd Denwasochi
US4242871A (en) * 1979-09-18 1981-01-06 United Technologies Corporation Louver burner liner
US4529358A (en) * 1984-02-15 1985-07-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Vortex generating flow passage design for increased film cooling effectiveness
US4664597A (en) * 1985-12-23 1987-05-12 United Technologies Corporation Coolant passages with full coverage film cooling slot
US4653983A (en) * 1985-12-23 1987-03-31 United Technologies Corporation Cross-flow film cooling passages
US4684323A (en) * 1985-12-23 1987-08-04 United Technologies Corporation Film cooling passages with curved corners
US4669957A (en) * 1985-12-23 1987-06-02 United Technologies Corporation Film coolant passage with swirl diffuser

Also Published As

Publication number Publication date
AU607566B2 (en) 1991-03-07
JPH0223233A (ja) 1990-01-25
CN1036245A (zh) 1989-10-11
EP0335481A1 (de) 1989-10-04
CN1016083B (zh) 1992-04-01
CA1293865C (en) 1992-01-07
AU2770089A (en) 1989-10-05
EP0335481B1 (de) 1993-08-11
DE68908227T2 (de) 1994-04-07
US4923371A (en) 1990-05-08

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee