IL81034A - Convergent-divergent film coolant passage - Google Patents

Convergent-divergent film coolant passage

Info

Publication number
IL81034A
IL81034A IL81034A IL8103486A IL81034A IL 81034 A IL81034 A IL 81034A IL 81034 A IL81034 A IL 81034A IL 8103486 A IL8103486 A IL 8103486A IL 81034 A IL81034 A IL 81034A
Authority
IL
Israel
Prior art keywords
convergent
coolant passage
film coolant
divergent film
divergent
Prior art date
Application number
IL81034A
Other languages
English (en)
Other versions
IL81034A0 (en
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of IL81034A0 publication Critical patent/IL81034A0/xx
Publication of IL81034A publication Critical patent/IL81034A/xx

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
    • F01D5/186—Film cooling
    • 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
    • F05D2250/12—Two-dimensional rectangular
    • 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
    • F05D2250/12—Two-dimensional rectangular
    • F05D2250/121—Two-dimensional rectangular square
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
IL81034A 1985-12-23 1986-12-18 Convergent-divergent film coolant passage IL81034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/812,092 US4705455A (en) 1985-12-23 1985-12-23 Convergent-divergent film coolant passage

Publications (2)

Publication Number Publication Date
IL81034A0 IL81034A0 (en) 1987-03-31
IL81034A true IL81034A (en) 1992-07-15

Family

ID=25208471

Family Applications (1)

Application Number Title Priority Date Filing Date
IL81034A IL81034A (en) 1985-12-23 1986-12-18 Convergent-divergent film coolant passage

Country Status (6)

Country Link
US (1) US4705455A (ja)
EP (1) EP0230204B1 (ja)
JP (1) JPH07103801B2 (ja)
CA (1) CA1275052A (ja)
DE (2) DE3683753D1 (ja)
IL (1) IL81034A (ja)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6139258A (en) * 1987-03-30 2000-10-31 United Technologies Corporation Airfoils with leading edge pockets for reduced heat transfer
GB2227965B (en) * 1988-10-12 1993-02-10 Rolls Royce Plc Apparatus for drilling a shaped hole in a workpiece
SE463219B (sv) * 1989-10-16 1990-10-22 Sky Park Ab Linjaer vaexel saerskilt vid transfervagn i parkeringshus
US5281084A (en) * 1990-07-13 1994-01-25 General Electric Company Curved film cooling holes for gas turbine engine vanes
US5165847A (en) * 1991-05-20 1992-11-24 General Electric Company Tapered enlargement metering inlet channel for a shroud cooling assembly of gas turbine engines
US5476364A (en) * 1992-10-27 1995-12-19 United Technologies Corporation Tip seal and anti-contamination for turbine blades
US5660525A (en) * 1992-10-29 1997-08-26 General Electric Company Film cooled slotted wall
US5419681A (en) * 1993-01-25 1995-05-30 General Electric Company Film cooled wall
US5382133A (en) * 1993-10-15 1995-01-17 United Technologies Corporation High coverage shaped diffuser film hole for thin walls
AT404160B (de) * 1994-06-15 1998-09-25 Inst Thermische Turbomaschinen Hohle gasturbinenschaufel und verfahren zur aussen-film-kühlung derselben
DE4430302A1 (de) * 1994-08-26 1996-02-29 Abb Management Ag Prallgekühltes Wandteil
DE59808269D1 (de) * 1998-03-23 2003-06-12 Alstom Switzerland Ltd Filmkühlungsbohrung
US6325593B1 (en) 2000-02-18 2001-12-04 General Electric Company Ceramic turbine airfoils with cooled trailing edge blocks
US6602052B2 (en) * 2001-06-20 2003-08-05 Alstom (Switzerland) Ltd Airfoil tip squealer cooling construction
DE50208671D1 (de) 2001-07-13 2006-12-21 Alstom Technology Ltd Gasturbinenteil mit Kühlluftbohrung
DE10143153A1 (de) * 2001-09-03 2003-03-20 Rolls Royce Deutschland Turbinenschaufel für eine Gasturbine mit zumindest einer Kühlungsausnehmung
US7185736B2 (en) * 2003-08-25 2007-03-06 Fisher Controls International Llc. Aerodynamic noise abatement device and method for air-cooled condensing systems
US7223072B2 (en) * 2004-01-27 2007-05-29 Honeywell International, Inc. Gas turbine engine including airfoils having an improved airfoil film cooling configuration and method therefor
JP5039837B2 (ja) * 2005-03-30 2012-10-03 三菱重工業株式会社 ガスタービン用高温部材
WO2007052337A1 (ja) * 2005-11-01 2007-05-10 Ihi Corporation タービン部品
US7563073B1 (en) 2006-10-10 2009-07-21 Florida Turbine Technologies, Inc. Turbine blade with film cooling slot
US7887294B1 (en) 2006-10-13 2011-02-15 Florida Turbine Technologies, Inc. Turbine airfoil with continuous curved diffusion film holes
US7798765B2 (en) * 2007-04-12 2010-09-21 United Technologies Corporation Out-flow margin protection for a gas turbine engine
DE102007029367A1 (de) * 2007-06-26 2009-01-02 Rolls-Royce Deutschland Ltd & Co Kg Schaufel mit Tangentialstrahlerzeugung am Profil
US8066484B1 (en) 2007-11-19 2011-11-29 Florida Turbine Technologies, Inc. Film cooling hole for a turbine airfoil
US8128366B2 (en) * 2008-06-06 2012-03-06 United Technologies Corporation Counter-vortex film cooling hole design
US20090304494A1 (en) * 2008-06-06 2009-12-10 United Technologies Corporation Counter-vortex paired film cooling hole design
US8066482B2 (en) * 2008-11-25 2011-11-29 Alstom Technology Ltd. Shaped cooling holes for reduced stress
US9810081B2 (en) 2010-06-11 2017-11-07 Siemens Energy, Inc. Cooled conduit for conveying combustion gases
US8672613B2 (en) 2010-08-31 2014-03-18 General Electric Company Components with conformal curved film holes and methods of manufacture
FR2964731B1 (fr) * 2010-09-09 2015-01-30 Snecma Dispositif d’echange thermique par jet impactant et utilisation d’un tel dispositif
US8591191B1 (en) * 2010-11-22 2013-11-26 Florida Turbine Technologies, Inc. Film cooling hole for turbine airfoil
US9249670B2 (en) * 2011-12-15 2016-02-02 General Electric Company Components with microchannel cooling
US8522558B1 (en) * 2012-02-15 2013-09-03 United Technologies Corporation Multi-lobed cooling hole array
US9279330B2 (en) † 2012-02-15 2016-03-08 United Technologies Corporation Gas turbine engine component with converging/diverging cooling passage
BR112014031176A2 (pt) 2012-06-13 2017-06-27 Gen Electric paredes de motor de turbina a gás
US9309771B2 (en) 2012-10-25 2016-04-12 United Technologies Corporation Film cooling channel array with multiple metering portions
US9316104B2 (en) 2012-10-25 2016-04-19 United Technologies Corporation Film cooling channel array having anti-vortex properties
CN107076416B (zh) 2014-08-26 2020-05-19 西门子能源公司 用于燃气涡轮发动机中的声共振器的薄膜冷却孔装置
US20160090843A1 (en) * 2014-09-30 2016-03-31 General Electric Company Turbine components with stepped apertures
CN104747242A (zh) * 2015-03-12 2015-07-01 中国科学院工程热物理研究所 一种离散气膜冷却孔
US20160298462A1 (en) * 2015-04-09 2016-10-13 United Technologies Corporation Cooling passages for a gas turbine engine component
US10010937B2 (en) 2015-11-09 2018-07-03 General Electric Company Additive manufacturing method for making overhanging tabs in cooling holes
US20180171872A1 (en) * 2016-12-15 2018-06-21 General Electric Company Cooling assembly for a turbine assembly
US10760431B2 (en) * 2017-09-07 2020-09-01 General Electric Company Component for a turbine engine with a cooling hole
US20190071977A1 (en) * 2017-09-07 2019-03-07 General Electric Company Component for a turbine engine with a cooling hole
US10539026B2 (en) 2017-09-21 2020-01-21 United Technologies Corporation Gas turbine engine component with cooling holes having variable roughness
US11401818B2 (en) * 2018-08-06 2022-08-02 General Electric Company Turbomachine cooling trench
CN109141542B (zh) * 2018-09-14 2020-04-10 长春工程学院 基于临界水深槽工作原理的矩形渠道无槽量水方法
US10822958B2 (en) * 2019-01-16 2020-11-03 General Electric Company Component for a turbine engine with a cooling hole
US11674686B2 (en) 2021-05-11 2023-06-13 Honeywell International Inc. Coating occlusion resistant effusion cooling holes for gas turbine engine
CN115898554B (zh) * 2023-03-09 2023-06-30 中国航发四川燃气涡轮研究院 涡轮叶片的气膜孔结构

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1857509A (en) * 1928-10-12 1932-05-10 Holmstrom Axel Propeller or turbine for water, air, and gases
US2149510A (en) * 1934-01-29 1939-03-07 Cem Comp Electro Mec Method and means for preventing deterioration of turbo-machines
BE432599A (ja) * 1938-02-08
US2236426A (en) * 1938-07-27 1941-03-25 Bbc Brown Boveri & Cie Turbine blade
US2489683A (en) * 1943-11-19 1949-11-29 Edward A Stalker Turbine
US2477583A (en) * 1946-07-25 1949-08-02 Westinghouse Electric Corp Combustion chamber construction
GB665155A (en) * 1949-03-30 1952-01-16 Lucas Ltd Joseph Improvements relating to combustion chambers for prime movers
FR1155958A (fr) * 1956-03-28 1958-05-12 Perfectionnements aux turbines à fluide compressible
NL249220A (ja) * 1959-03-09
GB1055234A (en) * 1963-04-30 1967-01-18 Hitachi Ltd Ultra-high temperature combustion chambers
US3527543A (en) * 1965-08-26 1970-09-08 Gen Electric Cooling of structural members particularly for gas turbine engines
FR1520428A (fr) * 1966-12-08 1968-04-12 Snecma Elément de paroi d'une chambre de combustion
US3778183A (en) * 1968-04-22 1973-12-11 Aerojet General Co Cooling passages wafer blade assemblies for turbine engines, compressors and the like
US3515499A (en) * 1968-04-22 1970-06-02 Aerojet General Co Blades and blade assemblies for turbine engines,compressors and the like
GB1209692A (en) * 1968-05-14 1970-10-21 Rolls Royce Method and apparatus for the spark-machining of workpieces and a spark-machining electrode for use therein
BE754171A (fr) * 1969-10-18 1970-12-31 Glanzstoff Ag Procede pour la fabrication d'electrodes pour l'obtention electroerosive de perforations profilees de filage
US3619076A (en) * 1970-02-02 1971-11-09 Gen Electric Liquid-cooled turbine bucket
US3635586A (en) * 1970-04-06 1972-01-18 Rolls Royce Method and apparatus for turbine blade cooling
GB1355558A (en) * 1971-07-02 1974-06-05 Rolls Royce Cooled vane or blade for a gas turbine engine
GB1381481A (en) * 1971-08-26 1975-01-22 Rolls Royce Aerofoil-shaped blades
US3844677A (en) * 1971-11-01 1974-10-29 Gen Electric Blunted leading edge fan blade for noise reduction
US3891348A (en) * 1972-04-24 1975-06-24 Gen Electric Turbine blade with increased film cooling
GB1560683A (en) * 1972-11-28 1980-02-06 Rolls Royce Turbine blade
US3830450A (en) * 1972-12-15 1974-08-20 Us Navy Dual purpose circulation control airfoil
US3889903A (en) * 1973-03-09 1975-06-17 Boeing Co Airfoil leading edge structure with boundary layer control
US3844679A (en) * 1973-03-28 1974-10-29 Gen Electric Pressurized serpentine cooling channel construction for open-circuit liquid cooled turbine buckets
US3915106A (en) * 1973-07-02 1975-10-28 Supramar Ag Hydrofoil with lift control by airfreed for watercraft
GB1530256A (en) * 1975-04-01 1978-10-25 Rolls Royce Cooled blade for a gas turbine engine
US4214722A (en) * 1974-12-13 1980-07-29 Tamura Raymond M Pollution reducing aircraft propulsion
US3995422A (en) * 1975-05-21 1976-12-07 General Electric Company Combustor liner structure
GB1565361A (en) * 1976-01-29 1980-04-16 Rolls Royce Blade or vane for a gas turbine engien
US4221539A (en) * 1977-04-20 1980-09-09 The Garrett Corporation Laminated airfoil and method for turbomachinery
US4142824A (en) * 1977-09-02 1979-03-06 General Electric Company Tip cooling for turbine blades
US4197443A (en) * 1977-09-19 1980-04-08 General Electric Company Method and apparatus for forming diffused cooling holes in an airfoil
CH634128A5 (de) * 1978-06-13 1983-01-14 Bbc Brown Boveri & Cie Kuehlvorrichtung an einer wand.
US4314442A (en) * 1978-10-26 1982-02-09 Rice Ivan G Steam-cooled blading with steam thermal barrier for reheat gas turbine combined with steam turbine
US4303374A (en) * 1978-12-15 1981-12-01 General Electric Company Film cooled airfoil body
US4384823A (en) * 1980-10-27 1983-05-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Curved film cooling admission tube
US4565490A (en) * 1981-06-17 1986-01-21 Rice Ivan G Integrated gas/steam nozzle
US4485630A (en) * 1982-12-08 1984-12-04 General Electric Company Combustor liner

Also Published As

Publication number Publication date
JPH07103801B2 (ja) 1995-11-08
DE3683753D1 (de) 1992-03-12
EP0230204A2 (en) 1987-07-29
EP0230204A3 (en) 1989-04-12
EP0230204B1 (en) 1992-01-29
IL81034A0 (en) 1987-03-31
CA1275052A (en) 1990-10-09
JPS62162701A (ja) 1987-07-18
DE230204T1 (de) 1987-12-17
US4705455A (en) 1987-11-10

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Legal Events

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