FR3095231B1 - Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef - Google Patents

Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef Download PDF

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Publication number
FR3095231B1
FR3095231B1 FR1904237A FR1904237A FR3095231B1 FR 3095231 B1 FR3095231 B1 FR 3095231B1 FR 1904237 A FR1904237 A FR 1904237A FR 1904237 A FR1904237 A FR 1904237A FR 3095231 B1 FR3095231 B1 FR 3095231B1
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FR
France
Prior art keywords
cooling air
cavity
flow
injection device
under
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.)
Active
Application number
FR1904237A
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English (en)
Other versions
FR3095231A1 (fr
Inventor
Eddy Stéphane Joël Fontanel
Matthieu Etienne Attali
GéRARD PHILIPPE GAUTHIER
Wilfried Lionel Schweblen
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
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Safran Aircraft Engines SAS
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Publication date
Application filed by Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1904237A priority Critical patent/FR3095231B1/fr
Publication of FR3095231A1 publication Critical patent/FR3095231A1/fr
Application granted granted Critical
Publication of FR3095231B1 publication Critical patent/FR3095231B1/fr
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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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/24—Rotors for turbines
    • 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
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/306—Mass flow
    • F05D2270/3062—Mass flow of the auxiliary fluid for heating or cooling purposes
    • 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)

Abstract

Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef Turbine (60) pour turbomachine d’aéronef, comprenant une veine annulaire d’écoulement d’air chaud, une cavité sous veine (68) coaxiale à la veine d’écoulement d’air chaud, et un dispositif d’injection (80) configuré pour injecter un air de refroidissement dans la cavité sous veine (68), le dispositif d’injection (80) comprenant au moins un premier injecteur (81) configuré pour injecter de manière continue un premier débit d’air de refroidissement dans la cavité sous veine (68), et au moins un deuxième injecteur (82) configuré pour injecter un deuxième débit d’air de refroidissement dans la cavité sous veine (68) lorsque la température au sein de ladite cavité sous veine (68) est inférieure à une valeur seuil prédéterminée, et pour injecter un troisième débit d’air de refroidissement supérieur au deuxième débit dans la cavité sous veine (68) lorsque la température au sein de ladite cavité sous veine est supérieure ou égale à ladite valeur seuil prédéterminée. Figure pour l’abrégé : Fig. 2.
FR1904237A 2019-04-19 2019-04-19 Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef Active FR3095231B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1904237A FR3095231B1 (fr) 2019-04-19 2019-04-19 Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1904237A FR3095231B1 (fr) 2019-04-19 2019-04-19 Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef
FR1904237 2019-04-19

Publications (2)

Publication Number Publication Date
FR3095231A1 FR3095231A1 (fr) 2020-10-23
FR3095231B1 true FR3095231B1 (fr) 2022-12-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR1904237A Active FR3095231B1 (fr) 2019-04-19 2019-04-19 Dispositif amélioré d’injection d’air de refroidissement pour turbines d’aéronef

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FR (1) FR3095231B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11215074B2 (en) * 2019-07-08 2022-01-04 General Electric Company Oxidation activated cooling flow
FR3120090A1 (fr) * 2021-02-24 2022-08-26 Safran Aircraft Engines Turbine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250779A1 (de) * 2002-10-30 2004-05-19 Alstom (Switzerland) Ltd. Notkühlsystem für ein hitzebelastetes Bauteil
GB2429515B (en) * 2005-08-11 2008-06-25 Rolls Royce Plc Cooling method and apparatus
US9316152B2 (en) * 2012-06-13 2016-04-19 General Electric Company Active control of bucket cooling supply for turbine
US9617921B2 (en) * 2013-07-31 2017-04-11 General Electric Company Thermal actuator including fluid with high temperature stability

Also Published As

Publication number Publication date
FR3095231A1 (fr) 2020-10-23

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