DE502004006484D1 - Kühlung einer Turbinenschaufel mit einem Doppelboden zwischen Schaufelblatt und Schaufelspitze - Google Patents

Kühlung einer Turbinenschaufel mit einem Doppelboden zwischen Schaufelblatt und Schaufelspitze

Info

Publication number
DE502004006484D1
DE502004006484D1 DE200450006484 DE502004006484T DE502004006484D1 DE 502004006484 D1 DE502004006484 D1 DE 502004006484D1 DE 200450006484 DE200450006484 DE 200450006484 DE 502004006484 T DE502004006484 T DE 502004006484T DE 502004006484 D1 DE502004006484 D1 DE 502004006484D1
Authority
DE
Germany
Prior art keywords
blade
cooling
double bottom
tip
turbine
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.)
Expired - Lifetime
Application number
DE200450006484
Other languages
English (en)
Inventor
Stefan Dr Baldauf
Hans-Thomas Dr Bolms
Michael Haendler
Christian Lerner
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of DE502004006484D1 publication Critical patent/DE502004006484D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01D5/186—Film 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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • 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
    • F05D2260/202—Heat transfer, e.g. cooling by film 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
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2212—Improvement of heat transfer by creating turbulence
    • 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
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE200450006484 2004-01-23 2004-01-23 Kühlung einer Turbinenschaufel mit einem Doppelboden zwischen Schaufelblatt und Schaufelspitze Expired - Lifetime DE502004006484D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20040001468 EP1557533B1 (de) 2004-01-23 2004-01-23 Kühlung einer Turbinenschaufel mit einem Doppelboden zwischen Schaufelblatt und Schaufelspitze

Publications (1)

Publication Number Publication Date
DE502004006484D1 true DE502004006484D1 (de) 2008-04-24

Family

ID=34626498

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200450006484 Expired - Lifetime DE502004006484D1 (de) 2004-01-23 2004-01-23 Kühlung einer Turbinenschaufel mit einem Doppelboden zwischen Schaufelblatt und Schaufelspitze

Country Status (2)

Country Link
EP (1) EP1557533B1 (de)
DE (1) DE502004006484D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7175391B2 (en) * 2004-07-08 2007-02-13 United Technologies Corporation Turbine blade
EP2426316A1 (de) * 2010-09-03 2012-03-07 Siemens Aktiengesellschaft Turbinenschaufel
FR2983517B1 (fr) 2011-12-06 2013-12-20 Snecma Aube de turbine refroidie pour moteur a turbine a gaz.
DE102013224998A1 (de) * 2013-12-05 2015-06-11 Rolls-Royce Deutschland Ltd & Co Kg Turbinenrotorschaufel einer Gasturbine und Verfahren zur Kühlung einer Schaufelspitze einer Turbinenrotorschaufel einer Gasturbine
EP3088673B1 (de) * 2015-04-28 2017-11-01 Siemens Aktiengesellschaft Laufschaufel für eine gasturbine, zugehöriger rotor, gasturbine und kraftwerksanlage
US10053992B2 (en) 2015-07-02 2018-08-21 United Technologies Corporation Gas turbine engine airfoil squealer pocket cooling hole configuration
US11208899B2 (en) 2018-03-14 2021-12-28 General Electric Company Cooling assembly for a turbine assembly
US11512598B2 (en) 2018-03-14 2022-11-29 General Electric Company Cooling assembly for a turbine assembly
US10801334B2 (en) 2018-09-12 2020-10-13 Raytheon Technologies Corporation Cooling arrangement with purge partition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732031A (en) * 1970-06-17 1973-05-08 Gen Motors Corp Cooled airfoil
GB2279705B (en) * 1985-07-24 1995-06-28 Rolls Royce Plc Cooling of turbine blades for a gas turbine engine
JP2862536B2 (ja) * 1987-09-25 1999-03-03 株式会社東芝 ガスタービンの翼
JP2693527B2 (ja) * 1988-11-21 1997-12-24 株式会社東芝 ターボ機械の動翼構造
US5752802A (en) * 1996-12-19 1998-05-19 Solar Turbines Incorporated Sealing apparatus for airfoils of gas turbine engines
US6135715A (en) * 1999-07-29 2000-10-24 General Electric Company Tip insulated airfoil
US6164914A (en) * 1999-08-23 2000-12-26 General Electric Company Cool tip blade
US6595748B2 (en) * 2001-08-02 2003-07-22 General Electric Company Trichannel airfoil leading edge cooling

Also Published As

Publication number Publication date
EP1557533B1 (de) 2008-03-12
EP1557533A1 (de) 2005-07-27

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Legal Events

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8364 No opposition during term of opposition