EP1132575A4 - Film cooling hole construction in gas turbine moving-vanes - Google Patents

Film cooling hole construction in gas turbine moving-vanes

Info

Publication number
EP1132575A4
EP1132575A4 EP99943365A EP99943365A EP1132575A4 EP 1132575 A4 EP1132575 A4 EP 1132575A4 EP 99943365 A EP99943365 A EP 99943365A EP 99943365 A EP99943365 A EP 99943365A EP 1132575 A4 EP1132575 A4 EP 1132575A4
Authority
EP
European Patent Office
Prior art keywords
vanes
gas turbine
cooling hole
film cooling
turbine moving
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.)
Withdrawn
Application number
EP99943365A
Other languages
German (de)
French (fr)
Other versions
EP1132575A1 (en
Inventor
Masanori Yuri
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP1132575A1 publication Critical patent/EP1132575A1/en
Publication of EP1132575A4 publication Critical patent/EP1132575A4/en
Withdrawn legal-status Critical Current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
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • 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
    • 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)
EP99943365A 1999-09-16 1999-09-16 Film cooling hole construction in gas turbine moving-vanes Withdrawn EP1132575A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/005047 WO2001020133A1 (en) 1999-09-16 1999-09-16 Film cooling hole construction in gas turbine moving-vanes

Publications (2)

Publication Number Publication Date
EP1132575A1 EP1132575A1 (en) 2001-09-12
EP1132575A4 true EP1132575A4 (en) 2002-04-10

Family

ID=14236721

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99943365A Withdrawn EP1132575A4 (en) 1999-09-16 1999-09-16 Film cooling hole construction in gas turbine moving-vanes

Country Status (3)

Country Link
EP (1) EP1132575A4 (en)
CA (1) CA2347888A1 (en)
WO (1) WO2001020133A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1362982B1 (en) 2002-05-09 2010-08-18 General Electric Company Turbine airfoil with single aft flowing three pass serpentine cooling circuit
US7235122B2 (en) 2004-11-08 2007-06-26 E. I. Du Pont De Nemours And Company Filtration media for filtering particulate material from gas streams
CN104791020B (en) * 2015-04-23 2016-06-15 华能国际电力股份有限公司 Gas turbine blade with longitudinal crossed rib cooling structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1350424A (en) * 1971-07-02 1974-04-18 Rolls Royce Cooled blade for a gas turbine engine
EP0383046A1 (en) * 1989-02-15 1990-08-22 Westinghouse Electric Corporation Cooled turbine vane
US4992026A (en) * 1986-03-31 1991-02-12 Kabushiki Kaisha Toshiba Gas turbine blade

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1564608A (en) * 1975-12-20 1980-04-10 Rolls Royce Means for cooling a surface by the impingement of a cooling fluid
GB2165315B (en) * 1984-10-04 1987-12-31 Rolls Royce Improvements in or relating to hollow fluid cooled turbine blades
JPH11257005A (en) * 1998-03-16 1999-09-21 Mitsubishi Heavy Ind Ltd Film cooling hole structure of gas turbine moving blade

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1350424A (en) * 1971-07-02 1974-04-18 Rolls Royce Cooled blade for a gas turbine engine
US4992026A (en) * 1986-03-31 1991-02-12 Kabushiki Kaisha Toshiba Gas turbine blade
EP0383046A1 (en) * 1989-02-15 1990-08-22 Westinghouse Electric Corporation Cooled turbine vane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0120133A1 *

Also Published As

Publication number Publication date
WO2001020133A8 (en) 2001-07-26
WO2001020133A1 (en) 2001-03-22
EP1132575A1 (en) 2001-09-12
CA2347888A1 (en) 2001-03-22

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