EP2384392A1 - Élément structural refroidi pour turbine à gaz - Google Patents

Élément structural refroidi pour turbine à gaz

Info

Publication number
EP2384392A1
EP2384392A1 EP10701375A EP10701375A EP2384392A1 EP 2384392 A1 EP2384392 A1 EP 2384392A1 EP 10701375 A EP10701375 A EP 10701375A EP 10701375 A EP10701375 A EP 10701375A EP 2384392 A1 EP2384392 A1 EP 2384392A1
Authority
EP
European Patent Office
Prior art keywords
pins
wall
cooling
density
cooled
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.)
Granted
Application number
EP10701375A
Other languages
German (de)
English (en)
Other versions
EP2384392B1 (fr
EP2384392B2 (fr
Inventor
Jörg KRÜCKELS
Milan Pathak
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.)
Ansaldo Energia IP UK Ltd
Original Assignee
Alstom Technology 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40600054&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2384392(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alstom Technology AG filed Critical Alstom Technology AG
Publication of EP2384392A1 publication Critical patent/EP2384392A1/fr
Publication of EP2384392B1 publication Critical patent/EP2384392B1/fr
Application granted granted Critical
Publication of EP2384392B2 publication Critical patent/EP2384392B2/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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—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
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • 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
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid

Definitions

  • the present invention relates to the field of gas turbines. It relates to a cooled component for a gas turbine according to the preamble of claim 1. It also relates to a method for operating such a device.
  • Gas turbines are designed to increase the efficiency for ever higher operating temperatures. Particularly exposed to thermal stresses are mainly the components or components in the combustion chamber and the running and vanes of the following turbine including the other, the hot gas channel limiting elements. In order to effectively counteract the thermal stresses occurring, on the one hand particularly resistant materials, such. As nickel-based alloys are used. On the other hand, additional measures for cooling the components must be taken, with different cooling methods, such as. the film cooling or the impingement cooling, find application.
  • the distributions of the impingement cooling holes and pins in the surface are constant.
  • the diameters of the impingement cooling holes correspond to the diameter of the pins on the base.
  • the density of the holes is much lower than the density of the pins.
  • the invention aims to remedy this situation. It is therefore an object of the invention to provide a cooled component of a gas turbine, in particular a platformed vane, the cooling of which is optimally adapted to the locally varying thermal load without causing unnecessary overconsumption of cooling air, i. it is achieved with the same cooling intensity minimizing the cooling air used.
  • the thermally stressed and cooled wall has a plurality of pins projecting from the wall on its rear side in a planar distribution, and that the distribution of the pins within the thermal critical zones of the component has a higher density than in the remaining areas.
  • the heat transfer between the wall and cooling air can locally be changed and adapted to the thermal load, without necessarily a larger amount of cooling air must be used.
  • An embodiment of the invention is characterized in that the means for generating the directed on the back of the wall rays comprise a provided with distributed impingement cooling holes provided impingement cooling plate.
  • Cooling is particularly effective when, according to another embodiment of the invention, the impingement cooling plate is spaced substantially parallel to the back of the wall, and the distribution of the impingement cooling holes is matched to the distribution of the pins such that viewed in a direction perpendicular to the impingement cooling plate Impact cooling holes are each between the pins.
  • the variation of the cooling can be intensified by correlating the density of the impingement cooling holes with the density of the pins.
  • the density of the impingement cooling holes and the density of the pins may be locally equal.
  • the component is preferably a guide vane of a gas turbine which comprises a blade extending in a longitudinal direction and a platform extending transversely to the longitudinal direction, the bottom of which is the thermally loaded wall cooled by impingement cooling and a groove at the transition to the blade trains, with the
  • FIG. 2 shows the impingement cooling plate used in the guide blade of FIG. 1 in top plan view from above;
  • FIG. 1 the upper part of a gas turbine vane with platform and locally varying impingement cooling according to an embodiment of the invention is shown in longitudinal section.
  • the vane 10 as a whole has a similar configuration as described in the aforementioned US-B2-7,097,418. It comprises an airfoil 11 extending in the blade longitudinal direction, at the upper end of which a platform 12 is formed, which extends substantially transversely to the longitudinal direction of the blade.
  • the platform 12 has a bottom wall 12a, the underside of which is acted upon by the hot gas flowing through the turbine, and which is cooled on the top by impingement cooling.
  • a cavity 13 is formed on the upper side of the platform 12, which cavity is covered by a baffle cooling plate 14 arranged parallel to the wall 12a.
  • impingement cooling holes 16 are provided in a predetermined distribution, through which compressed cooling air in the form of individual cooling air jets (see the arrows in FIG. 1) enters the cavity 13 and impinges on the opposite rear side of the wall 12a.
  • the cooling air absorbs heat from the wall 12a and is subsequently discharged from the cavity 13 (in ways not shown in FIG. 1).
  • the areal distribution of the impingement cooling holes 16 can be seen in FIG.
  • the density of the impingement cooling holes 16 and the density of the pins 15 are locally different but at the same time correlated with each other, ie in the areas where the density of the pins 15 is increased (compression area 18) Density of the impingement cooling holes 16 increased, and vice versa. In particular, locally the densities of the two are the same.
  • the impingement cooling holes 16 are preferably arranged "with gaps", that is, on intermediate spaces, with the pins 15: Between two parallel rows of pins 15, a row of impingement cooling holes 16 with the same periodicity is offset in each case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

La présente invention concerne un élément structural refroidi (10) destiné à une turbine à gaz, présentant, à des fins de refroidissement d'une paroi (12a) subissant des contraintes thermiques sur un côté avant, une pluralité de pointes (15) qui dépassent vers l'extérieur de la paroi et sont disposées sur le côté arrière de la paroi (12a) selon une répartition plane (17), ainsi que des moyens (14, 16) pour produire des jets d'agent de refroidissement dirigés dans la zone des pointes (15) sur le côté arrière de la paroi (12a) et servant au refroidissement par impact. Le refroidissement d'un tel élément structural peut être amélioré par la répartition des pointes (15) dans des zones critiques (Ac) de l'élément structural (10) selon une densité supérieure à celle des autres zones.
EP10701375.7A 2009-01-30 2010-01-28 Élément structural refroidi pour turbine à gaz Active EP2384392B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00140/09A CH700319A1 (de) 2009-01-30 2009-01-30 Gekühltes bauelement für eine gasturbine.
PCT/EP2010/051018 WO2010086381A1 (fr) 2009-01-30 2010-01-28 Élément structural refroidi pour turbine à gaz

Publications (3)

Publication Number Publication Date
EP2384392A1 true EP2384392A1 (fr) 2011-11-09
EP2384392B1 EP2384392B1 (fr) 2017-05-31
EP2384392B2 EP2384392B2 (fr) 2024-09-04

Family

ID=40600054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10701375.7A Active EP2384392B2 (fr) 2009-01-30 2010-01-28 Élément structural refroidi pour turbine à gaz

Country Status (5)

Country Link
US (1) US8444376B2 (fr)
EP (1) EP2384392B2 (fr)
CH (1) CH700319A1 (fr)
RU (1) RU2539950C2 (fr)
WO (1) WO2010086381A1 (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9039350B2 (en) * 2012-01-09 2015-05-26 General Electric Company Impingement cooling system for use with contoured surfaces
US9500099B2 (en) * 2012-07-02 2016-11-22 United Techologies Corporation Cover plate for a component of a gas turbine engine
US9371735B2 (en) 2012-11-29 2016-06-21 Solar Turbines Incorporated Gas turbine engine turbine nozzle impingement cover
EP2927430B1 (fr) * 2014-04-04 2019-08-07 United Technologies Corporation Aube statorique ayant une plate-forme refroidie pour un moteur à turbine à gaz
EP2949871B1 (fr) * 2014-05-07 2017-03-01 United Technologies Corporation Segment d'aube variable
US10746403B2 (en) * 2014-12-12 2020-08-18 Raytheon Technologies Corporation Cooled wall assembly for a combustor and method of design
US9849510B2 (en) 2015-04-16 2017-12-26 General Electric Company Article and method of forming an article
US9976441B2 (en) 2015-05-29 2018-05-22 General Electric Company Article, component, and method of forming an article
US10739087B2 (en) 2015-09-08 2020-08-11 General Electric Company Article, component, and method of forming an article
US10253986B2 (en) 2015-09-08 2019-04-09 General Electric Company Article and method of forming an article
US10087776B2 (en) 2015-09-08 2018-10-02 General Electric Company Article and method of forming an article
US20170145834A1 (en) * 2015-11-23 2017-05-25 United Technologies Corporation Airfoil platform cooling core circuits with one-wall heat transfer pedestals for a gas turbine engine component and systems for cooling an airfoil platform
US10184343B2 (en) 2016-02-05 2019-01-22 General Electric Company System and method for turbine nozzle cooling
RU2641782C2 (ru) * 2016-05-30 2018-01-22 Общество с ограниченной ответственностью "Газпром трансгаз Казань" Способ охлаждения высокотемпературных шпилек паровых турбин и устройство для его осуществления
RU2641787C2 (ru) * 2016-05-30 2018-01-22 Общество с ограниченной ответственностью "Газпром трансгаз Казань" Способ охлаждения высокотемпературных шпилек газовых турбин и устройство для его осуществления
US10487660B2 (en) 2016-12-19 2019-11-26 General Electric Company Additively manufactured blade extension with internal features
US10641174B2 (en) 2017-01-18 2020-05-05 General Electric Company Rotor shaft cooling
US20180216474A1 (en) * 2017-02-01 2018-08-02 General Electric Company Turbomachine Blade Cooling Cavity
US10989068B2 (en) 2018-07-19 2021-04-27 General Electric Company Turbine shroud including plurality of cooling passages
CN108894832B (zh) * 2018-08-17 2024-01-23 西安热工研究院有限公司 超临界工质旋转机械本体侧面的外冷装置及方法
US10822962B2 (en) * 2018-09-27 2020-11-03 Raytheon Technologies Corporation Vane platform leading edge recessed pocket with cover
JP6508499B1 (ja) * 2018-10-18 2019-05-08 三菱日立パワーシステムズ株式会社 ガスタービン静翼、これを備えているガスタービン、及びガスタービン静翼の製造方法
US10837315B2 (en) * 2018-10-25 2020-11-17 General Electric Company Turbine shroud including cooling passages in communication with collection plenums
KR102126852B1 (ko) 2018-10-29 2020-06-25 두산중공업 주식회사 터빈 베인 및 링세그먼트와 이를 포함하는 가스 터빈
US11125434B2 (en) * 2018-12-10 2021-09-21 Raytheon Technologies Corporation Preferential flow distribution for gas turbine engine component
CN109737788A (zh) * 2018-12-21 2019-05-10 西北工业大学 一种减小流动损失、强化冲击换热的凸起靶板结构
US11891920B2 (en) * 2019-04-16 2024-02-06 Mitsubishi Heavy Industries, Ltd. Turbine stator vane and gas turbine
US11073036B2 (en) * 2019-06-03 2021-07-27 Raytheon Technologies Corporation Boas flow directing arrangement
KR102502652B1 (ko) * 2020-10-23 2023-02-21 두산에너빌리티 주식회사 물결 형태 유로를 구비한 배열 충돌제트 냉각구조
US11739935B1 (en) 2022-03-23 2023-08-29 General Electric Company Dome structure providing a dome-deflector cavity with counter-swirled airflow

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800864A (en) 1972-09-05 1974-04-02 Gen Electric Pin-fin cooling system
SU1238465A2 (ru) * 1983-08-05 1996-02-27 Уфимский авиационный институт им.Серго Орджоникидзе Охлаждаемая лопатка турбины
US4719748A (en) 1985-05-14 1988-01-19 General Electric Company Impingement cooled transition duct
US4712979A (en) * 1985-11-13 1987-12-15 The United States Of America As Represented By The Secretary Of The Air Force Self-retained platform cooling plate for turbine vane
RU2009331C1 (ru) * 1990-09-27 1994-03-15 Научно-производственное предприятие "Завод им.В.Я.Климова" Устройство для конвективного охлаждения деталей турбины
US5321951A (en) 1992-03-30 1994-06-21 General Electric Company Integral combustor splash plate and sleeve
US5340278A (en) 1992-11-24 1994-08-23 United Technologies Corporation Rotor blade with integral platform and a fillet cooling passage
DE59709153D1 (de) 1997-07-03 2003-02-20 Alstom Switzerland Ltd Prallanordnung für ein konvektives Kühl-oder Heizverfahren
EP0905353B1 (fr) * 1997-09-30 2003-01-15 ALSTOM (Switzerland) Ltd Ensemble des jets d'air pour un procédé de chauffage ou de refroidissement par convection
DE59912578D1 (de) * 1999-02-10 2005-10-27 Alstom Technology Ltd Baden Turbomaschinenschaufel
US6402464B1 (en) * 2000-08-29 2002-06-11 General Electric Company Enhanced heat transfer surface for cast-in-bump-covered cooling surfaces and methods of enhancing heat transfer
US6589010B2 (en) 2001-08-27 2003-07-08 General Electric Company Method for controlling coolant flow in airfoil, flow control structure and airfoil incorporating the same
US6779597B2 (en) 2002-01-16 2004-08-24 General Electric Company Multiple impingement cooled structure
US7097417B2 (en) 2004-02-09 2006-08-29 Siemens Westinghouse Power Corporation Cooling system for an airfoil vane
US7097418B2 (en) 2004-06-18 2006-08-29 Pratt & Whitney Canada Corp. Double impingement vane platform cooling
EP1650503A1 (fr) 2004-10-25 2006-04-26 Siemens Aktiengesellschaft Méthode de refroidissement d'un bouclier thermique et bouclier thermique
GB0601413D0 (en) 2006-01-25 2006-03-08 Rolls Royce Plc Wall elements for gas turbine engine combustors
US7927073B2 (en) 2007-01-04 2011-04-19 Siemens Energy, Inc. Advanced cooling method for combustion turbine airfoil fillets
US7568882B2 (en) 2007-01-12 2009-08-04 General Electric Company Impingement cooled bucket shroud, turbine rotor incorporating the same, and cooling method
US7862291B2 (en) * 2007-02-08 2011-01-04 United Technologies Corporation Gas turbine engine component cooling scheme
US7621718B1 (en) 2007-03-28 2009-11-24 Florida Turbine Technologies, Inc. Turbine vane with leading edge fillet region impingement cooling
DE102007018061A1 (de) 2007-04-17 2008-10-23 Rolls-Royce Deutschland Ltd & Co Kg Gasturbinenbrennkammerwand

Also Published As

Publication number Publication date
US20120020768A1 (en) 2012-01-26
US8444376B2 (en) 2013-05-21
RU2011135942A (ru) 2013-03-10
EP2384392B1 (fr) 2017-05-31
CH700319A1 (de) 2010-07-30
RU2539950C2 (ru) 2015-01-27
WO2010086381A1 (fr) 2010-08-05
EP2384392B2 (fr) 2024-09-04

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