FR3087839B1 - TURBINE - Google Patents

TURBINE Download PDF

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Publication number
FR3087839B1
FR3087839B1 FR1871339A FR1871339A FR3087839B1 FR 3087839 B1 FR3087839 B1 FR 3087839B1 FR 1871339 A FR1871339 A FR 1871339A FR 1871339 A FR1871339 A FR 1871339A FR 3087839 B1 FR3087839 B1 FR 3087839B1
Authority
FR
France
Prior art keywords
annular
annular wall
orifices
air outlet
row
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
FR1871339A
Other languages
French (fr)
Other versions
FR3087839A1 (en
Inventor
Simon Jose Pierre Amoedo
Olivier Arnaud Fabien Lambert
Josselin Luc Florent Sicard
Cyrille Telman
Mathieu Charles Jean Verdiere
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 FR1871339A priority Critical patent/FR3087839B1/en
Publication of FR3087839A1 publication Critical patent/FR3087839A1/en
Application granted granted Critical
Publication of FR3087839B1 publication Critical patent/FR3087839B1/en
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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
    • 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
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • 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
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/16—Control of working fluid flow
    • F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/321—Application in turbines in gas turbines for a special turbine stage
    • F05D2220/3212—Application in turbines in gas turbines for a special turbine stage the first stage of a turbine
    • 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
    • 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
    • F05D2260/50—Kinematic linkage, i.e. transmission of position
    • F05D2260/53—Kinematic linkage, i.e. transmission of position using gears
    • 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

Abstract

L'invention concerne une turbine, telle qu'une turbine basse pression dans une turbomachine, comprenant une rangée annulaire d'aubes (24) comportant un circuit de ventilation et reliées radialement vers l'intérieur par une plate-forme annulaire interne (28) à une première paroi annulaire amont (50) et une seconde paroi annulaire aval délimitant ensemble axialement une cavité annulaire (54) d'admission d'air, la première paroi annulaire (50) comprenant au moins une rangée annulaire de premiers orifices primaires (50a) de sortie d'air et la seconde paroi annulaire (52) comprenant au moins une rangée annulaire de seconds orifices primaires (52a) de sortie d'air, caractérisée en ce qu'au moins l'une de la première paroi annulaire (50) et de la seconde paroi annulaire (52) comprend des orifices secondaires (50b, 52b) de sortie d'air et des moyens de réglage du débit circulation d'air de ventilation sortant desdits orifices secondaires (50a, 52b).The invention relates to a turbine, such as a low pressure turbine in a turbomachine, comprising an annular row of blades (24) having a ventilation circuit and connected radially inwards by an internal annular platform (28). to a first upstream annular wall (50) and a second downstream annular wall together axially delimiting an annular air intake cavity (54), the first annular wall (50) comprising at least one annular row of first primary orifices (50a ) air outlet and the second annular wall (52) comprising at least one annular row of second primary air outlet orifices (52a), characterized in that at least one of the first annular wall (50 ) and the second annular wall (52) comprises secondary orifices (50b, 52b) for the air outlet and means for adjusting the flow rate of the ventilation air flowing out of said secondary orifices (50a, 52b).

FR1871339A 2018-10-30 2018-10-30 TURBINE Active FR3087839B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1871339A FR3087839B1 (en) 2018-10-30 2018-10-30 TURBINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1871339A FR3087839B1 (en) 2018-10-30 2018-10-30 TURBINE

Publications (2)

Publication Number Publication Date
FR3087839A1 FR3087839A1 (en) 2020-05-01
FR3087839B1 true FR3087839B1 (en) 2020-10-23

Family

ID=66676590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1871339A Active FR3087839B1 (en) 2018-10-30 2018-10-30 TURBINE

Country Status (1)

Country Link
FR (1) FR3087839B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5503528A (en) * 1993-12-27 1996-04-02 Solar Turbines Incorporated Rim seal for turbine wheel
US5645397A (en) * 1995-10-10 1997-07-08 United Technologies Corporation Turbine vane assembly with multiple passage cooled vanes
FR2851288B1 (en) * 2003-02-14 2006-07-28 Snecma Moteurs DEVICE FOR COOLING TURBINE DISKS
US6929445B2 (en) * 2003-10-22 2005-08-16 General Electric Company Split flow turbine nozzle
FR2892454B1 (en) * 2005-10-21 2008-01-25 Snecma Sa DEVICE FOR VENTILATION OF TURBINE DISCS IN A GAS TURBINE ENGINE
FR2961250B1 (en) * 2010-06-14 2012-07-20 Snecma DEVICE FOR COOLING ALVEOLES OF A TURBOMACHINE ROTOR DISC BEFORE THE TRAINING CONE

Also Published As

Publication number Publication date
FR3087839A1 (en) 2020-05-01

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