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ES2546992T3 - Método para desintonizar los álabes de un motor de turbina de gas - Google Patents

Método para desintonizar los álabes de un motor de turbina de gas Download PDF

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Publication number
ES2546992T3
ES2546992T3 ES12189768.0T ES12189768T ES2546992T3 ES 2546992 T3 ES2546992 T3 ES 2546992T3 ES 12189768 T ES12189768 T ES 12189768T ES 2546992 T3 ES2546992 T3 ES 2546992T3
Authority
ES
Spain
Prior art keywords
blades
gas turbine
tuning
turbine engine
arrangement
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
ES12189768.0T
Other languages
English (en)
Inventor
Harald SCHÖNENBORN
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.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines AG
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 MTU Aero Engines AG filed Critical MTU Aero Engines AG
Application granted granted Critical
Publication of ES2546992T3 publication Critical patent/ES2546992T3/es
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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on 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
    • 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
    • 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
    • F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Turbina de gas con una disposición de grados con al menos un grado con primeros y segundos álabes (12, 10) dispuestos alternadamente en dirección del perímetro, presentando respectivamente, los primeros álabes (12), respectivamente, una primera disposición de espacio hueco y los segundos álabes (10), respectivamente, una segunda disposición de espacio hueco distinta de la anterior, que se caracteriza por que la primera y segunda disposición de espacio hueco presentan un número distinto de espacios huecos (21A, 21B; 20).

Description

imagen1
imagen2
imagen3

Claims (1)

  1. imagen1
ES12189768.0T 2012-10-24 2012-10-24 Método para desintonizar los álabes de un motor de turbina de gas Active ES2546992T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12189768.0A EP2725193B1 (de) 2012-10-24 2012-10-24 Verfahren zur Verstimmung der Schaufeln eines Gasturbinenkraftwerks.

Publications (1)

Publication Number Publication Date
ES2546992T3 true ES2546992T3 (es) 2015-09-30

Family

ID=47115488

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12189768.0T Active ES2546992T3 (es) 2012-10-24 2012-10-24 Método para desintonizar los álabes de un motor de turbina de gas

Country Status (3)

Country Link
US (1) US9546552B2 (es)
EP (1) EP2725193B1 (es)
ES (1) ES2546992T3 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11047397B2 (en) * 2014-01-24 2021-06-29 Raytheon Technologies Corporation Gas turbine engine stator vane mistuning
EP2942481B1 (en) 2014-05-07 2019-03-27 Rolls-Royce Corporation Rotor for a gas turbine engine
FR3052182B1 (fr) * 2016-06-06 2018-06-15 Safran Roue aubagee de turbomachine a comportement vibratoire ameliore
ES2891030T3 (es) 2017-10-27 2022-01-25 MTU Aero Engines AG Combinación para sellar un espacio entre las paletas de una turbomaquinaria y reducir las vibraciones de las paletas de la turbomaquinaria
EP3765713B1 (en) 2018-04-13 2023-01-04 Siemens Energy Global GmbH & Co. KG Mistuning of turbine blades with one or more internal cavities
FR3096398B1 (fr) * 2019-05-20 2021-10-22 Arianegroup Sas Secteur de roue à aubes statorique pour turbomachine
US11371358B2 (en) 2020-02-19 2022-06-28 General Electric Company Turbine damper
US11624287B2 (en) * 2020-02-21 2023-04-11 Raytheon Technologies Corporation Ceramic matrix composite component having low density core and method of making
US12091178B2 (en) 2022-05-30 2024-09-17 Pratt & Whitney Canada Corp. Aircraft engine with stator having varying geometry
US11939886B2 (en) 2022-05-30 2024-03-26 Pratt & Whitney Canada Corp. Aircraft engine having stator vanes made of different materials
US12017782B2 (en) 2022-05-30 2024-06-25 Pratt & Whitney Canada Corp. Aircraft engine with stator having varying pitch

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1970435A (en) * 1932-01-09 1934-08-14 Baldwin Southwark Corp Balanced turbine or pump runner and method of balancing
US2916258A (en) * 1956-10-19 1959-12-08 Gen Electric Vibration damping
US4097192A (en) * 1977-01-06 1978-06-27 Curtiss-Wright Corporation Turbine rotor and blade configuration
US4878810A (en) * 1988-05-20 1989-11-07 Westinghouse Electric Corp. Turbine blades having alternating resonant frequencies
US5286168A (en) * 1992-01-31 1994-02-15 Westinghouse Electric Corp. Freestanding mixed tuned blade
US6042338A (en) * 1998-04-08 2000-03-28 Alliedsignal Inc. Detuned fan blade apparatus and method
US6471482B2 (en) * 2000-11-30 2002-10-29 United Technologies Corporation Frequency-mistuned light-weight turbomachinery blade rows for increased flutter stability
DE10301755A1 (de) 2003-01-18 2004-07-29 Rolls-Royce Deutschland Ltd & Co Kg Fanschaufel für ein Gasturbienentriebwerk
US6854959B2 (en) * 2003-04-16 2005-02-15 General Electric Company Mixed tuned hybrid bucket and related method
US7008179B2 (en) 2003-12-16 2006-03-07 General Electric Co. Turbine blade frequency tuned pin bank
US7147437B2 (en) * 2004-08-09 2006-12-12 General Electric Company Mixed tuned hybrid blade related method
GB2450937B (en) * 2007-07-13 2009-06-03 Rolls Royce Plc Component with tuned frequency response
EP2161411A1 (de) 2008-09-05 2010-03-10 Siemens Aktiengesellschaft Turbinenschaufel mit angepasster Eigenfrequenz mittels eines Einsatzes

Also Published As

Publication number Publication date
EP2725193B1 (de) 2015-07-29
US20140112769A1 (en) 2014-04-24
US9546552B2 (en) 2017-01-17
EP2725193A1 (de) 2014-04-30

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