FR3107919B1 - Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement - Google Patents

Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement Download PDF

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Publication number
FR3107919B1
FR3107919B1 FR2002145A FR2002145A FR3107919B1 FR 3107919 B1 FR3107919 B1 FR 3107919B1 FR 2002145 A FR2002145 A FR 2002145A FR 2002145 A FR2002145 A FR 2002145A FR 3107919 B1 FR3107919 B1 FR 3107919B1
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FR
France
Prior art keywords
blade
projections
inter
cooling flow
hollow turbomachine
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
FR2002145A
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English (en)
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FR3107919A1 (fr
Inventor
Paul Olivier Danre
Jean-Luc Bacha
Matthieu Simon
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
Safran Aircraft Engines 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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR2002145A priority Critical patent/FR3107919B1/fr
Publication of FR3107919A1 publication Critical patent/FR3107919A1/fr
Application granted granted Critical
Publication of FR3107919B1 publication Critical patent/FR3107919B1/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
    • F01D5/12—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
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • 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
    • F05D2250/70—Shape
    • F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
    • 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
    • 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

Aube creuse de turbomachine (10), ladite aube comprenant un circuit de refroidissement (12), une paroi (13) du circuit de refroidissement (12) étant pourvue d’au moins une saillie (14) configurée pour perturber le flux d’air au sein du circuit de refroidissement (12), la au moins une saillie (14) de forme cylindrique s’étendant selon une direction de hauteur (H) perpendiculaire à la paroi (13), la forme cylindrique étant tronquée selon la direction de hauteur (H) sur toute l’étendue de la forme cylindrique selon la direction de hauteur (H). Figure pour l’abrégé : Fig. 5.
FR2002145A 2020-03-03 2020-03-03 Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement Active FR3107919B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2002145A FR3107919B1 (fr) 2020-03-03 2020-03-03 Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2002145A FR3107919B1 (fr) 2020-03-03 2020-03-03 Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement
FR2002145 2020-03-03

Publications (2)

Publication Number Publication Date
FR3107919A1 FR3107919A1 (fr) 2021-09-10
FR3107919B1 true FR3107919B1 (fr) 2022-12-02

Family

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FR2002145A Active FR3107919B1 (fr) 2020-03-03 2020-03-03 Aube creuse de turbomachine et plateforme inter-aubes équipées de saillies perturbatrices de flux de refroidissement

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Country Link
FR (1) FR3107919B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240044255A1 (en) * 2022-08-02 2024-02-08 Raytheon Technologies Corporation Asymmetric heat transfer member fillet to direct cooling flow
EP4353951A1 (fr) * 2022-10-13 2024-04-17 RTX Corporation Éléments de refroidissement pour un composant d'un moteur à turbine à gaz
GB202216739D0 (en) * 2022-11-10 2022-12-28 Rolls Royce Plc Tie for a component

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201847A (en) * 1991-11-21 1993-04-13 Westinghouse Electric Corp. Shroud design
FR2743391B1 (fr) 1996-01-04 1998-02-06 Snecma Aube refrigeree de distributeur de turbine
US5738493A (en) * 1997-01-03 1998-04-14 General Electric Company Turbulator configuration for cooling passages of an airfoil in a gas turbine engine
FR2765265B1 (fr) 1997-06-26 1999-08-20 Snecma Aubage refroidi par rampe helicoidale, par impact en cascade et par systeme a pontets dans une double peau
EP2093381A1 (fr) * 2008-02-25 2009-08-26 Siemens Aktiengesellschaft Aube rotorique ou statorique de turbine à plateforme refroidie
US9255491B2 (en) * 2012-02-17 2016-02-09 United Technologies Corporation Surface area augmentation of hot-section turbomachine component
US10427213B2 (en) * 2013-07-31 2019-10-01 General Electric Company Turbine blade with sectioned pins and method of making same
FR3020402B1 (fr) 2014-04-24 2019-06-14 Safran Aircraft Engines Aube pour turbine de turbomachine comprenant un circuit de refroidissement a homogeneite amelioree
FR3028494B1 (fr) 2014-11-17 2018-05-25 Safran Aircraft Engines Pale de turbomachine, comprenant des pontets s'etendant depuis la paroi d'intrados jusqu'a la paroi d'extrados
US20170167381A1 (en) * 2015-12-15 2017-06-15 United Technologies Corporation Turbulators for improved cooling of gas turbine engine components
KR102000830B1 (ko) * 2017-09-11 2019-07-16 두산중공업 주식회사 가스 터빈 블레이드

Also Published As

Publication number Publication date
FR3107919A1 (fr) 2021-09-10

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