GB201721533D0 - Aerofoil cooling arrangement - Google Patents

Aerofoil cooling arrangement

Info

Publication number
GB201721533D0
GB201721533D0 GBGB1721533.6A GB201721533A GB201721533D0 GB 201721533 D0 GB201721533 D0 GB 201721533D0 GB 201721533 A GB201721533 A GB 201721533A GB 201721533 D0 GB201721533 D0 GB 201721533D0
Authority
GB
United Kingdom
Prior art keywords
cooling arrangement
aerofoil cooling
aerofoil
arrangement
cooling
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.)
Ceased
Application number
GBGB1721533.6A
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GBGB1721533.6A priority Critical patent/GB201721533D0/en
Publication of GB201721533D0 publication Critical patent/GB201721533D0/en
Priority to EP18207552.3A priority patent/EP3502419B1/en
Priority to US16/211,840 priority patent/US20200024961A1/en
Priority to CN201811571816.4A priority patent/CN109944644A/en
Ceased 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
    • 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
    • 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
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GBGB1721533.6A 2017-12-21 2017-12-21 Aerofoil cooling arrangement Ceased GB201721533D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GBGB1721533.6A GB201721533D0 (en) 2017-12-21 2017-12-21 Aerofoil cooling arrangement
EP18207552.3A EP3502419B1 (en) 2017-12-21 2018-11-21 Gas turbine engine wih an aerofoil having cooling arrangement
US16/211,840 US20200024961A1 (en) 2017-12-21 2018-12-06 Aerofoil cooling arrangement
CN201811571816.4A CN109944644A (en) 2017-12-21 2018-12-21 Airfoil cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1721533.6A GB201721533D0 (en) 2017-12-21 2017-12-21 Aerofoil cooling arrangement

Publications (1)

Publication Number Publication Date
GB201721533D0 true GB201721533D0 (en) 2018-02-07

Family

ID=61131405

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB1721533.6A Ceased GB201721533D0 (en) 2017-12-21 2017-12-21 Aerofoil cooling arrangement

Country Status (4)

Country Link
US (1) US20200024961A1 (en)
EP (1) EP3502419B1 (en)
CN (1) CN109944644A (en)
GB (1) GB201721533D0 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5419681A (en) * 1993-01-25 1995-05-30 General Electric Company Film cooled wall
EP0924384A3 (en) * 1997-12-17 2000-08-23 United Technologies Corporation Airfoil with leading edge cooling
GB2401915B (en) * 2003-05-23 2006-06-14 Rolls Royce Plc Turbine blade
US20060073015A1 (en) * 2004-10-01 2006-04-06 Alstom Technology Ltd. Gas turbine airfoil film cooling hole
GB0424593D0 (en) * 2004-11-06 2004-12-08 Rolls Royce Plc A component having a film cooling arrangement
US8105030B2 (en) * 2008-08-14 2012-01-31 United Technologies Corporation Cooled airfoils and gas turbine engine systems involving such airfoils
US9022737B2 (en) * 2011-08-08 2015-05-05 United Technologies Corporation Airfoil including trench with contoured surface

Also Published As

Publication number Publication date
EP3502419B1 (en) 2020-10-14
EP3502419A1 (en) 2019-06-26
US20200024961A1 (en) 2020-01-23
CN109944644A (en) 2019-06-28

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)