FR3062432B1 - Profil ameliore de bord d'attaque d'aubes - Google Patents

Profil ameliore de bord d'attaque d'aubes Download PDF

Info

Publication number
FR3062432B1
FR3062432B1 FR1750726A FR1750726A FR3062432B1 FR 3062432 B1 FR3062432 B1 FR 3062432B1 FR 1750726 A FR1750726 A FR 1750726A FR 1750726 A FR1750726 A FR 1750726A FR 3062432 B1 FR3062432 B1 FR 3062432B1
Authority
FR
France
Prior art keywords
leading edge
aubes
blade
improved
edge profile
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
FR1750726A
Other languages
English (en)
Other versions
FR3062432A1 (fr
Inventor
Damien Bernard Emeric Guegan
Prasaad Cojande
Pierre-Hugues Ambroise Maxime Victor Retiveau
Jonathan Evert Vlastuin
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 FR1750726A priority Critical patent/FR3062432B1/fr
Priority to GB1910367.0A priority patent/GB2572909B/en
Priority to US16/478,972 priority patent/US11047238B2/en
Priority to PCT/FR2018/050168 priority patent/WO2018138439A1/fr
Publication of FR3062432A1 publication Critical patent/FR3062432A1/fr
Application granted granted Critical
Publication of FR3062432B1 publication Critical patent/FR3062432B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/324—Blades
    • 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
    • F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
    • 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
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
    • 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
    • F05D2250/60—Structure; Surface texture
    • F05D2250/61—Structure; Surface texture corrugated
    • F05D2250/611—Structure; Surface texture corrugated undulated
    • 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
    • F05D2250/71—Shape curved

Abstract

Aube configurée pour être placée avec une pluralité d'aubes identiques de manière à former une roue à aubes de moteur aéronautique, la roue à aubes définissant un axe, l'aube comportant une pale (10) présentant un bord d'attaque (10a) et un bord de fuite (10b), la courbe de bord d'attaque décrivant la forme du bord d'attaque (10a) de la pale (10) dans une vue perpendiculaire à la pale (10) présentant au moins une ondulation de bord d'attaque (10a), ladite au moins une ondulation de bord d'attaque (10a) s'étendant sur moins de 30% d'une longueur (H) de la pale à partir d'une première extrémité de la pale.
FR1750726A 2017-01-30 2017-01-30 Profil ameliore de bord d'attaque d'aubes Active FR3062432B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1750726A FR3062432B1 (fr) 2017-01-30 2017-01-30 Profil ameliore de bord d'attaque d'aubes
GB1910367.0A GB2572909B (en) 2017-01-30 2018-01-25 Improved leading edge profile of vanes
US16/478,972 US11047238B2 (en) 2017-01-30 2018-01-25 Leading edge profile of vanes
PCT/FR2018/050168 WO2018138439A1 (fr) 2017-01-30 2018-01-25 Profil amélioré de bord d'attaque d'aubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1750726A FR3062432B1 (fr) 2017-01-30 2017-01-30 Profil ameliore de bord d'attaque d'aubes
FR1750726 2017-01-30

Publications (2)

Publication Number Publication Date
FR3062432A1 FR3062432A1 (fr) 2018-08-03
FR3062432B1 true FR3062432B1 (fr) 2020-11-13

Family

ID=58632442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1750726A Active FR3062432B1 (fr) 2017-01-30 2017-01-30 Profil ameliore de bord d'attaque d'aubes

Country Status (4)

Country Link
US (1) US11047238B2 (fr)
FR (1) FR3062432B1 (fr)
GB (1) GB2572909B (fr)
WO (1) WO2018138439A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3087482B1 (fr) 2018-10-18 2021-12-17 Safran Aircraft Engines Structure profilee pour aeronef ou turbomachine
KR102403823B1 (ko) * 2019-12-13 2022-05-30 두산에너빌리티 주식회사 스트립이 형성된 배기 디퓨져의 스트롯 구조 및 가스터빈
CN114198156B (zh) * 2021-12-14 2024-02-20 杭州汽轮控股有限公司 一种燃气轮机高负荷静叶片
DE102022100315A1 (de) * 2022-01-07 2023-07-13 MTU Aero Engines AG Schaufel, insbesondere Laufschaufel oder Leitschaufel, mit asymmetrischem Vorderkantenprofil für eine Gasturbine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1862827A (en) * 1930-01-22 1932-06-14 Parsons Steam turbine
US3403893A (en) * 1967-12-05 1968-10-01 Gen Electric Axial flow compressor blades
EP1805412B1 (fr) * 2004-10-18 2016-03-02 Whalepower Corporation Turbine et compresseur utilisant un modele de rotor presentant un bord avant muni de tubercules
FR2969230B1 (fr) * 2010-12-15 2014-11-21 Snecma Aube de compresseur a loi d'empilage amelioree
US9249666B2 (en) * 2011-12-22 2016-02-02 General Electric Company Airfoils for wake desensitization and method for fabricating same
FR3023329B1 (fr) * 2014-07-03 2019-08-02 Safran Aircraft Engines Stator ondule pour diminuer le bruit cree par l'interaction avec un rotor
US10539025B2 (en) * 2016-02-10 2020-01-21 General Electric Company Airfoil assembly with leading edge element
US10443399B2 (en) * 2016-07-22 2019-10-15 General Electric Company Turbine vane with coupon having corrugated surface(s)

Also Published As

Publication number Publication date
FR3062432A1 (fr) 2018-08-03
GB201910367D0 (en) 2019-09-04
WO2018138439A1 (fr) 2018-08-02
US11047238B2 (en) 2021-06-29
GB2572909A (en) 2019-10-16
US20190368356A1 (en) 2019-12-05
GB2572909B (en) 2021-10-27

Similar Documents

Publication Publication Date Title
FR3062432B1 (fr) Profil ameliore de bord d'attaque d'aubes
FR2969230B1 (fr) Aube de compresseur a loi d'empilage amelioree
CN202176549U (zh) 一种大功率燃气轮机用压气机的次首级叶片
FR2983519B1 (fr) Aube de turbine a pale creuse en materiau composite, turbine ou compresseur ayant un distributeur ou redresseur forme de telles aubes et turbomachine les comprenant
EP2787172A3 (fr) Grille d'aubes avec définition de contour de la paroi latérale et turbomachine
EP2789798A3 (fr) Pale d'aube pour une turbomachine avec son bord arrière profilé, aube et rotor à aubage intégral
EP2711558A3 (fr) Ventilateur à hélice
FR3082230B1 (fr) Moteur d'aeronef a rotor non carene avec adaptation des aubes de stator
EP1916385A1 (fr) Nageoire de plateforme de soufflante
IN2012DN05065A (fr)
EP1793083A3 (fr) Aube de turbine à refroidissement et à durée de vie améliorés
RU2015134137A (ru) Лопасть турбины
WO2015134005A8 (fr) Profil aérodynamique de turbine
FR3045713B1 (fr) Bouclier de bord d'attaque
CA2675044A1 (fr) Orientation efficace des pales d'une roue a aubes ou d'une helice
FR3077600B1 (fr) Aube de turbomachine d'aeronef
MA40346B1 (fr) Pale d'éolienne
NZ749141A (en) Propeller
FR3027951B1 (fr) Baignoire de sommet d'aubes d'une turbine de turbomachine
EP3323995A3 (fr) Profil aérodynamique à déflecteur insérable latéralement
FR3021698B1 (fr) Aube de turbine, comprenant un conduit central de refroidissement isole thermiquement de parois de l'aube par deux cavites laterales jointives en aval du conduit central
FR3063102B1 (fr) Aube statorique a angle de calage variable pour une turbomachine d'aeronef
EP3453831A3 (fr) Profil aérodynamique comportant des socles profilés de paroi d'extrémité
FR3070714B1 (fr) Aube de turbomachine a trous de refroidissement ameliores
RU2015150305A (ru) Рабочее колесо компрессора

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20180803

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8