FR2935427B1 - Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine. - Google Patents

Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine.

Info

Publication number
FR2935427B1
FR2935427B1 FR0855756A FR0855756A FR2935427B1 FR 2935427 B1 FR2935427 B1 FR 2935427B1 FR 0855756 A FR0855756 A FR 0855756A FR 0855756 A FR0855756 A FR 0855756A FR 2935427 B1 FR2935427 B1 FR 2935427B1
Authority
FR
France
Prior art keywords
contrarotative
turbomachine
doublet
airborne
wheels
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
FR0855756A
Other languages
English (en)
Other versions
FR2935427A1 (fr
Inventor
Jean-Pierre Francois Lombard
Jerome Jean Yves Talbotec
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 FR0855756A priority Critical patent/FR2935427B1/fr
Priority to US12/548,040 priority patent/US8375698B2/en
Priority to GB0914900.6A priority patent/GB2462921B/en
Publication of FR2935427A1 publication Critical patent/FR2935427A1/fr
Application granted granted Critical
Publication of FR2935427B1 publication Critical patent/FR2935427B1/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
    • F01D5/16—Form or construction for counteracting blade vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/072—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with counter-rotating, e.g. fan rotors
    • 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
    • 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
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F05D2200/00—Mathematical features
    • F05D2200/20—Special functions
    • 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
    • F05D2260/80—Diagnostics
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49321—Assembling individual fluid flow interacting members, e.g., blades, vanes, buckets, on rotary support member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0855756A 2008-08-27 2008-08-27 Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine. Active FR2935427B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0855756A FR2935427B1 (fr) 2008-08-27 2008-08-27 Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine.
US12/548,040 US8375698B2 (en) 2008-08-27 2009-08-26 Method for reducing the vibration levels of a propfan of contrarotating bladed disks of a turbine engine
GB0914900.6A GB2462921B (en) 2008-08-27 2009-08-27 Method for reducing the vibration levels of a propfan of contrarotating bladed discs of a turbine engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0855756A FR2935427B1 (fr) 2008-08-27 2008-08-27 Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine.

Publications (2)

Publication Number Publication Date
FR2935427A1 FR2935427A1 (fr) 2010-03-05
FR2935427B1 true FR2935427B1 (fr) 2010-09-24

Family

ID=40456338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0855756A Active FR2935427B1 (fr) 2008-08-27 2008-08-27 Methode de reduction des niveaux vibratoires d'un doublet et roues aubagees contrarotatives de turbomachine.

Country Status (3)

Country Link
US (1) US8375698B2 (fr)
FR (1) FR2935427B1 (fr)
GB (1) GB2462921B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010009615B4 (de) * 2010-02-27 2016-11-17 MTU Aero Engines AG Schaufelblatt mit gefädelten Profilschnitten
US9963974B2 (en) * 2012-10-23 2018-05-08 United Technologies Corporation Reduction of equally spaced turbine nozzle vane excitation
EP3239460A1 (fr) * 2016-04-27 2017-11-01 Siemens Aktiengesellschaft Procede de profilage d'aubes d'une turbomachine axiale

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084184A (fr) *
US4483658A (en) * 1979-12-11 1984-11-20 Levine Elliott M Rotational wake reaction steps for Foils
GB2066370B (en) * 1979-12-11 1983-09-14 Levine E M Rotational wake reaction synergetic staging for axial flow foils
DE3812027A1 (de) * 1988-04-11 1989-10-26 Mtu Muenchen Gmbh Propfan-turbotriebwerk
WO1998036966A1 (fr) * 1997-02-21 1998-08-27 California Institute Of Technology Rotors a pales desaccordees
FR2824597B1 (fr) * 2001-05-11 2004-04-02 Snecma Moteurs Reduction de vibrations dans une structure comprenant un rotor et des sources de perturbation fixes
US6666017B2 (en) * 2002-05-24 2003-12-23 General Electric Company Counterrotatable booster compressor assembly for a gas turbine engine
JP2006046226A (ja) * 2004-08-05 2006-02-16 Mitsubishi Heavy Ind Ltd 動静翼の励振低減構造
RU2280169C2 (ru) * 2004-10-05 2006-07-20 Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения им. П.И. Баранова" Осевая турбомашина с пониженным уровнем пульсаций давления, возбуждающих вибрации лопаток и излучаемый шум
FR2913074B1 (fr) * 2007-02-27 2009-05-22 Snecma Sa Methode de reduction des niveaux vibratoires d'une roue aubagee de turbomachine.
FR2921099B1 (fr) * 2007-09-13 2013-12-06 Snecma Dispositif d'amortissement pour aube en materiau composite

Also Published As

Publication number Publication date
GB2462921A (en) 2010-03-03
GB2462921B (en) 2012-09-05
US20100050594A1 (en) 2010-03-04
FR2935427A1 (fr) 2010-03-05
US8375698B2 (en) 2013-02-19
GB0914900D0 (en) 2009-09-30

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