IL81034A - Convergent-divergent film coolant passage - Google Patents
Convergent-divergent film coolant passageInfo
- 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
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)
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)
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)
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---|---|---|---|---|
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 |
-
1985
- 1985-12-23 US US06/812,092 patent/US4705455A/en not_active Expired - Lifetime
-
1986
- 1986-12-18 EP EP86630191A patent/EP0230204B1/en not_active Expired - Lifetime
- 1986-12-18 IL IL81034A patent/IL81034A/xx not_active IP Right Cessation
- 1986-12-18 DE DE8686630191T patent/DE3683753D1/de not_active Expired - Fee Related
- 1986-12-18 DE DE198686630191T patent/DE230204T1/de active Pending
- 1986-12-22 CA CA000526017A patent/CA1275052A/en not_active Expired - Lifetime
- 1986-12-23 JP JP61307572A patent/JPH07103801B2/ja not_active Expired - Lifetime
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
Date | Code | Title | Description |
---|---|---|---|
RH | Patent void |