FR2938871B1 - TURBOMACHINE BLADE GRID WITH FLOW GUIDES - Google Patents

TURBOMACHINE BLADE GRID WITH FLOW GUIDES

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
French (fr)
Other versions
FR2938871A1 (en
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/en
Publication of FR2938871A1 publication Critical patent/FR2938871A1/en
Application granted granted Critical
Publication of FR2938871B1 publication Critical patent/FR2938871B1/en
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 TURBOMACHINE BLADE GRID WITH FLOW GUIDES Active FR2938871B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0857999A FR2938871B1 (en) 2008-11-25 2008-11-25 TURBOMACHINE BLADE GRID WITH FLOW GUIDES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0857999A FR2938871B1 (en) 2008-11-25 2008-11-25 TURBOMACHINE BLADE GRID WITH FLOW GUIDES

Publications (2)

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

Family

ID=40793238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0857999A Active FR2938871B1 (en) 2008-11-25 2008-11-25 TURBOMACHINE BLADE GRID WITH FLOW GUIDES

Country Status (1)

Country Link
FR (1) FR2938871B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156201A (en) * 2019-12-30 2020-05-15 江汉大学 Axial flow fan and guide vane thereof

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 (en) * 2011-05-03 2012-11-07 许承革 Screw blade air compressor manufactured by aeronautic technology
EP2557269A1 (en) * 2011-08-08 2013-02-13 Siemens Aktiengesellschaft Film cooling of turbine components
CN102345631B (en) * 2011-10-17 2013-06-05 嵊州市远见机械科技有限公司 Ventilator combined induced draft impeller
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 (en) * 2016-03-31 2019-08-16 广东美的制冷设备有限公司 Stator blade, guiding subassembly and the axis stream cabinet-type air conditioner of axis stream cabinet-type air conditioner
BE1027709B1 (en) * 2019-10-25 2021-05-27 Safran Aero Boosters Sa TURBOMACHINE COMPRESSOR STAGE
CN111946666B (en) * 2020-07-20 2022-04-19 中国科学院工程热物理研究所 Axial compressor end wall boundary layer flow regulation and control structure
IT202100002240A1 (en) 2021-02-02 2022-08-02 Gen Electric TURBINE ENGINE WITH REDUCED TRANSVERSE FLOW VANES

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 (en) * 1962-10-29 1964-09-25 Gen Electric Special blade structure for compressor or turbine
US3481531A (en) * 1968-03-07 1969-12-02 United Aircraft Canada Impeller boundary layer control device
DE2135287A1 (en) * 1971-07-15 1973-01-25 Wilhelm Prof Dr Ing Dettmering RUNNER AND GUIDE WHEEL GRILLE FOR TURBO MACHINERY
FR2432608A1 (en) * 1978-07-31 1980-02-29 Alsthom Atlantique Prevention of turbulence blades - is achieved by fitting ailerons near blade root and tip to deter breaking away of boundary layer
JPS5572602A (en) * 1978-11-24 1980-05-31 Mitsubishi Heavy Ind Ltd Construction of turbine nozzle or blade
WO1998044240A1 (en) * 1997-04-01 1998-10-08 Siemens Aktiengesellschaft Surface structure for the wall of a flow channel or a turbine blade
FR2907519B1 (en) * 2006-10-20 2011-12-16 Snecma FLOOR PLATFORM FLOOR
DE102006057063B3 (en) * 2006-11-28 2008-07-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. Stator stage of an axial compressor of a turbomachine with cross blades to increase efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156201A (en) * 2019-12-30 2020-05-15 江汉大学 Axial flow fan and guide vane thereof

Also Published As

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

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