FR2476207A1 - Perfectionnement aux aubes de turbines refroidies - Google Patents

Perfectionnement aux aubes de turbines refroidies Download PDF

Info

Publication number
FR2476207A1
FR2476207A1 FR8003552A FR8003552A FR2476207A1 FR 2476207 A1 FR2476207 A1 FR 2476207A1 FR 8003552 A FR8003552 A FR 8003552A FR 8003552 A FR8003552 A FR 8003552A FR 2476207 A1 FR2476207 A1 FR 2476207A1
Authority
FR
France
Prior art keywords
improvement
turbine blades
flow
cavity
blades according
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.)
Granted
Application number
FR8003552A
Other languages
English (en)
French (fr)
Other versions
FR2476207B1 (enrdf_load_stackoverflow
Inventor
Michel Leonard Cuvillier
Thierry Marie Charle Schindler
Jacques Philippe Henri Tirole
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR8003552A priority Critical patent/FR2476207A1/fr
Priority to DE8181400179T priority patent/DE3166389D1/de
Priority to EP19810400179 priority patent/EP0034961B1/fr
Priority to JP2214181A priority patent/JPS56159507A/ja
Publication of FR2476207A1 publication Critical patent/FR2476207A1/fr
Application granted granted Critical
Publication of FR2476207B1 publication Critical patent/FR2476207B1/fr
Granted 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F05D2240/126—Baffles or ribs
    • 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
    • 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
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR8003552A 1980-02-19 1980-02-19 Perfectionnement aux aubes de turbines refroidies Granted FR2476207A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8003552A FR2476207A1 (fr) 1980-02-19 1980-02-19 Perfectionnement aux aubes de turbines refroidies
DE8181400179T DE3166389D1 (en) 1980-02-19 1981-02-05 Cooled turbine blades
EP19810400179 EP0034961B1 (fr) 1980-02-19 1981-02-05 Perfectionnement aux aubes de turbines refroidies
JP2214181A JPS56159507A (en) 1980-02-19 1981-02-16 Cooling turbine vane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8003552A FR2476207A1 (fr) 1980-02-19 1980-02-19 Perfectionnement aux aubes de turbines refroidies

Publications (2)

Publication Number Publication Date
FR2476207A1 true FR2476207A1 (fr) 1981-08-21
FR2476207B1 FR2476207B1 (enrdf_load_stackoverflow) 1983-05-13

Family

ID=9238706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003552A Granted FR2476207A1 (fr) 1980-02-19 1980-02-19 Perfectionnement aux aubes de turbines refroidies

Country Status (4)

Country Link
EP (1) EP0034961B1 (enrdf_load_stackoverflow)
JP (1) JPS56159507A (enrdf_load_stackoverflow)
DE (1) DE3166389D1 (enrdf_load_stackoverflow)
FR (1) FR2476207A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474532A (en) * 1981-12-28 1984-10-02 United Technologies Corporation Coolable airfoil for a rotary machine

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515526A (en) * 1981-12-28 1985-05-07 United Technologies Corporation Coolable airfoil for a rotary machine
JPS5997205U (ja) * 1982-12-21 1984-07-02 株式会社東芝 ガスタ−ビンの翼
US4515523A (en) * 1983-10-28 1985-05-07 Westinghouse Electric Corp. Cooling arrangement for airfoil stator vane trailing edge
GB2152150A (en) * 1983-12-27 1985-07-31 Gen Electric Anti-icing inlet guide vane
US4650394A (en) * 1984-11-13 1987-03-17 United Technologies Corporation Coolable seal assembly for a gas turbine engine
JPS62271902A (ja) * 1986-01-20 1987-11-26 Hitachi Ltd ガスタ−ビン冷却翼
US4820122A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
US4820123A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
US4962640A (en) * 1989-02-06 1990-10-16 Westinghouse Electric Corp. Apparatus and method for cooling a gas turbine vane
FR2798423B1 (fr) * 1990-01-24 2002-10-11 United Technologies Corp Commande de jeu pour turbine de moteur a turbine a gaz
FR2798421B1 (fr) * 1990-01-24 2002-10-11 United Technologies Corp Pales refroidies pour moteurs a turbine a gaz
US5488825A (en) * 1994-10-31 1996-02-06 Westinghouse Electric Corporation Gas turbine vane with enhanced cooling
US5645397A (en) * 1995-10-10 1997-07-08 United Technologies Corporation Turbine vane assembly with multiple passage cooled vanes
FR2743391B1 (fr) 1996-01-04 1998-02-06 Snecma Aube refrigeree de distributeur de turbine
US5772397A (en) * 1996-05-08 1998-06-30 Alliedsignal Inc. Gas turbine airfoil with aft internal cooling
US5601399A (en) * 1996-05-08 1997-02-11 Alliedsignal Inc. Internally cooled gas turbine vane
US5842829A (en) * 1996-09-26 1998-12-01 General Electric Co. Cooling circuits for trailing edge cavities in airfoils
GB2345942B (en) * 1998-12-24 2002-08-07 Rolls Royce Plc Gas turbine engine internal air system
US6406260B1 (en) 1999-10-22 2002-06-18 Pratt & Whitney Canada Corp. Heat transfer promotion structure for internally convectively cooled airfoils
US6257831B1 (en) * 1999-10-22 2001-07-10 Pratt & Whitney Canada Corp. Cast airfoil structure with openings which do not require plugging
EP1167689A1 (de) * 2000-06-21 2002-01-02 Siemens Aktiengesellschaft Konfiguration einer kühlbaren Turbinenschaufel
US6609891B2 (en) * 2001-08-30 2003-08-26 General Electric Company Turbine airfoil for gas turbine engine
US6602047B1 (en) * 2002-02-28 2003-08-05 General Electric Company Methods and apparatus for cooling gas turbine nozzles
US6942449B2 (en) * 2003-01-13 2005-09-13 United Technologies Corporation Trailing edge cooling
GB2405451B (en) * 2003-08-23 2008-03-19 Rolls Royce Plc Vane apparatus for a gas turbine engine
US7021893B2 (en) * 2004-01-09 2006-04-04 United Technologies Corporation Fanned trailing edge teardrop array
US7001151B2 (en) * 2004-03-02 2006-02-21 General Electric Company Gas turbine bucket tip cap
US7165940B2 (en) * 2004-06-10 2007-01-23 General Electric Company Method and apparatus for cooling gas turbine rotor blades
US7520723B2 (en) 2006-07-07 2009-04-21 Siemens Energy, Inc. Turbine airfoil cooling system with near wall vortex cooling chambers
GB2441148A (en) * 2006-08-23 2008-02-27 Rolls Royce Plc Gas turbine engine component with coolant passages
US7607891B2 (en) * 2006-10-23 2009-10-27 United Technologies Corporation Turbine component with tip flagged pedestal cooling
US7934906B2 (en) 2007-11-14 2011-05-03 Siemens Energy, Inc. Turbine blade tip cooling system
FR2924156B1 (fr) * 2007-11-26 2014-02-14 Snecma Aube de turbomachine
FR2924155B1 (fr) 2007-11-26 2014-02-14 Snecma Aube de turbomachine
FR2928405B1 (fr) * 2008-03-05 2011-01-21 Snecma Refroidissement de l'extremite d'une aube.
FR2954798B1 (fr) * 2009-12-31 2012-03-30 Snecma Aube a ventilation interieure
US20130052036A1 (en) * 2011-08-30 2013-02-28 General Electric Company Pin-fin array
US8790084B2 (en) * 2011-10-31 2014-07-29 General Electric Company Airfoil and method of fabricating the same
US20140064983A1 (en) * 2012-08-31 2014-03-06 General Electric Company Airfoil and method for manufacturing an airfoil
EP2832956A1 (de) * 2013-07-29 2015-02-04 Siemens Aktiengesellschaft Turbinenschaufel mit tragflächenprofilförmigen Kühlkörpern
US10598027B2 (en) 2014-03-27 2020-03-24 Siemens Aktiengesellschaft Blade for a gas turbine and method of cooling the blade
US10156146B2 (en) * 2016-04-25 2018-12-18 General Electric Company Airfoil with variable slot decoupling
GB201610783D0 (en) * 2016-06-21 2016-08-03 Rolls Royce Plc Trailing edge ejection cooling
EP3354850A1 (en) * 2017-01-31 2018-08-01 Siemens Aktiengesellschaft A turbine blade or a turbine vane for a gas turbine
FR3062675B1 (fr) 2017-02-07 2021-01-15 Safran Helicopter Engines Aube haute pression ventilee de turbine d'helicoptere comprenant un conduit amont et une cavite centrale de refroidissement
JP6345319B1 (ja) * 2017-07-07 2018-06-20 三菱日立パワーシステムズ株式会社 タービン翼及びガスタービン
CN112177685A (zh) * 2020-10-21 2021-01-05 中国航发沈阳发动机研究所 一种高压涡轮转子叶片尾缝冷却结构
CN112392550B (zh) * 2020-11-17 2021-09-28 上海交通大学 涡轮叶片尾缘针肋冷却结构及冷却方法、涡轮叶片

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017159A (en) * 1956-11-23 1962-01-16 Curtiss Wright Corp Hollow blade construction
FR1503348A (fr) * 1965-12-11 1967-11-24 Daimler Benz Ag Aube pour turbines à gaz, en particulier pour réacteurs d'avions
FR2147971A1 (enrdf_load_stackoverflow) * 1971-07-02 1973-03-11 Rolls Royce
FR2168801A5 (enrdf_load_stackoverflow) * 1972-01-18 1973-08-31 Bbc Sulzer Turbomaschinen
FR2223550A1 (enrdf_load_stackoverflow) * 1973-03-30 1974-10-25 Gen Electric
FR2323012A1 (fr) * 1975-09-02 1977-04-01 Gen Electric Aube de turbine perfectionnee
US4073599A (en) * 1976-08-26 1978-02-14 Westinghouse Electric Corporation Hollow turbine blade tip closure
US4180373A (en) * 1977-12-28 1979-12-25 United Technologies Corporation Turbine blade

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017159A (en) * 1956-11-23 1962-01-16 Curtiss Wright Corp Hollow blade construction
FR1503348A (fr) * 1965-12-11 1967-11-24 Daimler Benz Ag Aube pour turbines à gaz, en particulier pour réacteurs d'avions
FR2147971A1 (enrdf_load_stackoverflow) * 1971-07-02 1973-03-11 Rolls Royce
FR2168801A5 (enrdf_load_stackoverflow) * 1972-01-18 1973-08-31 Bbc Sulzer Turbomaschinen
FR2223550A1 (enrdf_load_stackoverflow) * 1973-03-30 1974-10-25 Gen Electric
FR2323012A1 (fr) * 1975-09-02 1977-04-01 Gen Electric Aube de turbine perfectionnee
US4073599A (en) * 1976-08-26 1978-02-14 Westinghouse Electric Corporation Hollow turbine blade tip closure
US4180373A (en) * 1977-12-28 1979-12-25 United Technologies Corporation Turbine blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474532A (en) * 1981-12-28 1984-10-02 United Technologies Corporation Coolable airfoil for a rotary machine

Also Published As

Publication number Publication date
DE3166389D1 (en) 1984-11-08
JPS6326242B2 (enrdf_load_stackoverflow) 1988-05-28
EP0034961B1 (fr) 1984-10-03
JPS56159507A (en) 1981-12-08
EP0034961A1 (fr) 1981-09-02
FR2476207B1 (enrdf_load_stackoverflow) 1983-05-13

Similar Documents

Publication Publication Date Title
FR2476207A1 (fr) Perfectionnement aux aubes de turbines refroidies
EP0785339B1 (fr) Aube refrigerée de distributeur de turbine
FR2571428A1 (fr) Pales creuses de turbines refroidies par un fluide et moteur equipe de telles pales
US6183194B1 (en) Cooling circuits for trailing edge cavities in airfoils
RU2494263C2 (ru) Лопатки лопаточного колеса газотурбинного двигателя, оснащенные канавками для охлаждения
JP4094010B2 (ja) 扇形後縁涙滴配列
EP0232782B1 (de) Verfahren und Vorrichtung zur Kühlung der Schaufeln von termischen Turbomaschinen
EP1496207B1 (fr) Dispositif pour piloter passivement la dilatation thermique du carter d'un turboréacteur
FR2678318A1 (fr) Aube refroidie de distributeur de turbine.
EP0666406A1 (fr) Aube fixe ou mobile refroidie de turbine
FR2498252A1 (fr) Systeme de refroidissement pour une chemise interieure de chambre de combustion
EP0651137A1 (fr) Turbomachine pourvue d'un moyen de réchauffage des disques de turbines aux montées en regime
JPS58126402A (ja) 冷却可能なエ−ロフオイル
JP2005054799A (ja) ガスタービンエンジンのタービン用の中空回転翼
JP2006083851A (ja) タービンバケット翼形部の後縁のための冷却システム
US6464462B2 (en) Gas turbine bucket wall thickness control
JP2002511123A (ja) ガスタービン翼の後縁を冷却するための冷却チャンネル構造
JP2020507707A (ja) ガスタービン用のタービンブレードまたはタービンベーン
US6152694A (en) Tip shroud for moving blades of gas turbine
JP3622974B2 (ja) 冷却されたガスタービンブレード
JP2818266B2 (ja) ガスタービン冷却翼
BE1029381B1 (fr) Dispositif d'echange de chaleur et turbomachine d'aeronef avec le dispositif
EP0447320B1 (fr) Circuit de refroidissement interne d'une aube directrice de turbine
EP3712378A1 (fr) Aube de turbomachine, comportant des deflecteurs dans une cavite interne de refroidissement
FR3102794A1 (fr) Composant de turbomachine comportant des orifices de refroidissement ameliores

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse