FR3142778B1 - Pièce statorique à ailette creusée dans une turbomachine - Google Patents

Pièce statorique à ailette creusée dans une turbomachine Download PDF

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Publication number
FR3142778B1
FR3142778B1 FR2212824A FR2212824A FR3142778B1 FR 3142778 B1 FR3142778 B1 FR 3142778B1 FR 2212824 A FR2212824 A FR 2212824A FR 2212824 A FR2212824 A FR 2212824A FR 3142778 B1 FR3142778 B1 FR 3142778B1
Authority
FR
France
Prior art keywords
fin
stator part
turbomachine
hollowed
maximum camber
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
FR2212824A
Other languages
English (en)
Other versions
FR3142778A1 (fr
Inventor
William Henri Joseph Riera
Simon Pierre Michel Martin
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 SA
Original Assignee
Safran SA
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 SA filed Critical Safran SA
Priority to FR2212824A priority Critical patent/FR3142778B1/fr
Priority to PCT/FR2023/051934 priority patent/WO2024121507A1/fr
Priority to CN202380089641.6A priority patent/CN120435614A/zh
Priority to EP23833514.5A priority patent/EP4630654A1/fr
Publication of FR3142778A1 publication Critical patent/FR3142778A1/fr
Application granted granted Critical
Publication of FR3142778B1 publication Critical patent/FR3142778B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D21/00—Pump involving supersonic speed of pumped fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • 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
    • F05D2240/125—Fluid guiding means, e.g. vanes related to the tip of a stator vane

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Pièce statorique (20) comprenant une plateforme (22), une pale (24, 26) présentant un maximum de cambrure (526), une ailette (28) s’étendant d’un pied (44) à une tête (46), la tête (46) s’étendant d’un bord d’attaque (31) à un bord de fuite (37), l’ailette (28) et la pale (24, 26) étant agencées de sorte que : le maximum de cambrure (526) se situe entre le bord d’attaque (31) et le bord de fuite (37), un rapport d’une distance entre le maximum de cambrure (526) et le bord d’attaque (31) sur une longueur de corde (54) d’ailette est comprise entre 5% et 95%, etla tête d’ailette définit un creux (45) s’étendant de part et d’autre du maximum de cambrure (526) sur une longueur de creux (47) inférieure ou égale à 20% de la longueur de corde (54). Figure pour l’abrégé : Fig. 3
FR2212824A 2022-12-06 2022-12-06 Pièce statorique à ailette creusée dans une turbomachine Active FR3142778B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR2212824A FR3142778B1 (fr) 2022-12-06 2022-12-06 Pièce statorique à ailette creusée dans une turbomachine
PCT/FR2023/051934 WO2024121507A1 (fr) 2022-12-06 2023-12-05 Piece statorique avec agencement de pale et d'ailette dans une turbomachine
CN202380089641.6A CN120435614A (zh) 2022-12-06 2023-12-05 涡轮机中的具有叶片和翅片装置的定子部件
EP23833514.5A EP4630654A1 (fr) 2022-12-06 2023-12-05 Piece statorique avec agencement de pale et d'ailette dans une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2212824 2022-12-06
FR2212824A FR3142778B1 (fr) 2022-12-06 2022-12-06 Pièce statorique à ailette creusée dans une turbomachine

Publications (2)

Publication Number Publication Date
FR3142778A1 FR3142778A1 (fr) 2024-06-07
FR3142778B1 true FR3142778B1 (fr) 2024-11-29

Family

ID=85727175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2212824A Active FR3142778B1 (fr) 2022-12-06 2022-12-06 Pièce statorique à ailette creusée dans une turbomachine

Country Status (4)

Country Link
EP (1) EP4630654A1 (fr)
CN (1) CN120435614A (fr)
FR (1) FR3142778B1 (fr)
WO (1) WO2024121507A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04287802A (ja) * 1991-03-19 1992-10-13 Hitachi Ltd 蒸気タービンノズル
US9874221B2 (en) * 2014-12-29 2018-01-23 General Electric Company Axial compressor rotor incorporating splitter blades
EP3372785A1 (fr) * 2017-03-09 2018-09-12 General Electric Company Ensemble d'aubes de turbine incorporant des séparateurs
BE1026884B1 (fr) * 2018-12-18 2020-07-22 Safran Aero Boosters Sa Etage statorique d’un compresseur d’une turbomachine d’aéronef

Also Published As

Publication number Publication date
FR3142778A1 (fr) 2024-06-07
WO2024121507A1 (fr) 2024-06-13
EP4630654A1 (fr) 2025-10-15
CN120435614A (zh) 2025-08-05

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