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FR2938871B1 - Grille d'aubes de turbomachine munie de guides d'ecoulement - Google Patents

Grille d'aubes de turbomachine munie de guides d'ecoulement

Info

Publication number
FR2938871B1
FR2938871B1 FR0857999A FR0857999A FR2938871B1 FR 2938871 B1 FR2938871 B1 FR 2938871B1 FR 0857999 A FR0857999 A FR 0857999A FR 0857999 A FR0857999 A FR 0857999A FR 2938871 B1 FR2938871 B1 FR 2938871B1
Authority
FR
France
Prior art keywords
flow guides
turbomachine blade
blade grid
grid
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
FR0857999A
Other languages
English (en)
Other versions
FR2938871A1 (fr
Inventor
Renaud Martet
Ludovic Pintat
Eric Schwartz
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 FR0857999A priority Critical patent/FR2938871B1/fr
Publication of FR2938871A1 publication Critical patent/FR2938871A1/fr
Application granted granted Critical
Publication of FR2938871B1 publication Critical patent/FR2938871B1/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
    • 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
    • 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
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • 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
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps

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)
FR0857999A 2008-11-25 2008-11-25 Grille d'aubes de turbomachine munie de guides d'ecoulement Active FR2938871B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0857999A FR2938871B1 (fr) 2008-11-25 2008-11-25 Grille d'aubes de turbomachine munie de guides d'ecoulement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0857999A FR2938871B1 (fr) 2008-11-25 2008-11-25 Grille d'aubes de turbomachine munie de guides d'ecoulement

Publications (2)

Publication Number Publication Date
FR2938871A1 FR2938871A1 (fr) 2010-05-28
FR2938871B1 true FR2938871B1 (fr) 2014-11-14

Family

ID=40793238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0857999A Active FR2938871B1 (fr) 2008-11-25 2008-11-25 Grille d'aubes de turbomachine munie de guides d'ecoulement

Country Status (1)

Country Link
FR (1) FR2938871B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156201A (zh) * 2019-12-30 2020-05-15 江汉大学 一种轴流风机及其导流叶片

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8403645B2 (en) 2009-09-16 2013-03-26 United Technologies Corporation Turbofan flow path trenches
CN102767522A (zh) * 2011-05-03 2012-11-07 许承革 航空技术螺旋叶片空气压缩机
EP2557269A1 (fr) 2011-08-08 2013-02-13 Siemens Aktiengesellschaft Refroidissement par film de composants de turbine
CN102345631B (zh) * 2011-10-17 2013-06-05 嵊州市远见机械科技有限公司 吸排油烟机组合式吸风叶轮
US9062554B2 (en) * 2012-01-03 2015-06-23 General Electric Company Gas turbine nozzle with a flow groove
US8944774B2 (en) * 2012-01-03 2015-02-03 General Electric Company Gas turbine nozzle with a flow fence
CN105736474B (zh) * 2016-03-31 2019-08-16 广东美的制冷设备有限公司 轴流柜机的静叶、导流组件和轴流柜机
BE1027709B1 (fr) * 2019-10-25 2021-05-27 Safran Aero Boosters Sa Etage de compresseur de turbomachine
CN111946666B (zh) * 2020-07-20 2022-04-19 中国科学院工程热物理研究所 一种轴流压气机端壁附面层流动调控结构
IT202100002240A1 (it) * 2021-02-02 2022-08-02 Gen Electric Motore a turbine con palette a flusso trasversale ridotto

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920864A (en) * 1956-05-14 1960-01-12 United Aircraft Corp Secondary flow reducer
FR1373327A (fr) * 1962-10-29 1964-09-25 Gen Electric Structure spéciale de lames pour compresseur ou turbine
US3481531A (en) * 1968-03-07 1969-12-02 United Aircraft Canada Impeller boundary layer control device
DE2135287A1 (de) * 1971-07-15 1973-01-25 Wilhelm Prof Dr Ing Dettmering Lauf- und leitradgitter fuer turbomaschinen
FR2432608A1 (fr) * 1978-07-31 1980-02-29 Alsthom Atlantique Grille d'aubes pour turbine ou compresseur
JPS5572602A (en) * 1978-11-24 1980-05-31 Mitsubishi Heavy Ind Ltd Construction of turbine nozzle or blade
EP0972128B1 (fr) * 1997-04-01 2002-11-27 Siemens Aktiengesellschaft Structure superficielle pour la paroi d'un canal d'ecoulement ou d'une aube de turbine
FR2907519B1 (fr) * 2006-10-20 2011-12-16 Snecma Nageoire de plateforme de soufflante
DE102006057063B3 (de) * 2006-11-28 2008-07-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. Stator-Stufe eines Axialverdichters einer Strömungsmaschine mit Querlamellen zur Wirkungsgradsteigerung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156201A (zh) * 2019-12-30 2020-05-15 江汉大学 一种轴流风机及其导流叶片

Also Published As

Publication number Publication date
FR2938871A1 (fr) 2010-05-28

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