GB2574951B - Cooling structure for turbine airfoil - Google Patents

Cooling structure for turbine airfoil Download PDF

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Publication number
GB2574951B
GB2574951B GB1912924.6A GB201912924A GB2574951B GB 2574951 B GB2574951 B GB 2574951B GB 201912924 A GB201912924 A GB 201912924A GB 2574951 B GB2574951 B GB 2574951B
Authority
GB
United Kingdom
Prior art keywords
cooling structure
turbine airfoil
airfoil
turbine
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.)
Active
Application number
GB1912924.6A
Other languages
English (en)
Other versions
GB2574951A8 (en
GB2574951A (en
GB201912924D0 (en
Inventor
Tsuru Tomoko
Ishida Katsuhiko
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Publication of GB201912924D0 publication Critical patent/GB201912924D0/en
Publication of GB2574951A publication Critical patent/GB2574951A/en
Publication of GB2574951A8 publication Critical patent/GB2574951A8/en
Application granted granted Critical
Publication of GB2574951B publication Critical patent/GB2574951B/en
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
    • 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
    • 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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • 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
    • F01D9/00—Stators
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • 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
    • 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
    • F05D2240/304—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 trailing 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/185—Two-dimensional patterned serpentine-like
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1912924.6A 2017-03-10 2018-03-06 Cooling structure for turbine airfoil Active GB2574951B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017045927A JP6860383B2 (ja) 2017-03-10 2017-03-10 タービン翼の冷却構造
PCT/JP2018/008645 WO2018164150A1 (ja) 2017-03-10 2018-03-06 タービン翼の冷却構造

Publications (4)

Publication Number Publication Date
GB201912924D0 GB201912924D0 (en) 2019-10-23
GB2574951A GB2574951A (en) 2019-12-25
GB2574951A8 GB2574951A8 (en) 2020-02-05
GB2574951B true GB2574951B (en) 2021-11-03

Family

ID=63447846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1912924.6A Active GB2574951B (en) 2017-03-10 2018-03-06 Cooling structure for turbine airfoil

Country Status (6)

Country Link
US (1) US11384644B2 (enExample)
JP (1) JP6860383B2 (enExample)
CN (1) CN110337530B (enExample)
DE (1) DE112018001266B4 (enExample)
GB (1) GB2574951B (enExample)
WO (1) WO2018164150A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11248471B2 (en) * 2020-01-22 2022-02-15 General Electric Company Turbine rotor blade with angel wing with coolant transfer passage between adjacent wheel space portions by additive manufacture
CN113623010B (zh) * 2021-07-13 2022-11-29 哈尔滨工业大学 涡轮叶片
CN113623011B (zh) * 2021-07-13 2022-11-29 哈尔滨工业大学 涡轮叶片
US11674446B2 (en) * 2021-08-30 2023-06-13 Collins Engine Nozzles, Inc. Cooling for surface ignitors in torch ignition devices
US11674445B2 (en) * 2021-08-30 2023-06-13 Collins Engine Nozzles, Inc. Cooling for continuous ignition devices
CN114872909B (zh) * 2022-05-06 2023-03-24 中国航发四川燃气涡轮研究院 飞机型涡轮叶片冷却通道换热结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008064002A (ja) * 2006-09-06 2008-03-21 Ihi Corp 冷却構造
JP2014177900A (ja) * 2013-03-14 2014-09-25 Ihi Corp 冷却促進構造

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407632A (en) * 1981-06-26 1983-10-04 United Technologies Corporation Airfoil pedestaled trailing edge region cooling configuration
US5603606A (en) 1994-11-14 1997-02-18 Solar Turbines Incorporated Turbine cooling system
CN100557199C (zh) * 2007-07-13 2009-11-04 北京航空航天大学 一种适用于涡轮叶片等内冷部件中的渐宽型开槽交错肋通道
JP2011085084A (ja) * 2009-10-16 2011-04-28 Ihi Corp タービン翼
EP2418357A1 (en) * 2010-08-05 2012-02-15 Siemens Aktiengesellschaft Turbine airfoil and method for thermal barrier coating
CN102116178A (zh) * 2011-01-18 2011-07-06 中国科学院工程热物理研究所 一种气冷涡轮的双射流孔冷却结构
CN102102543B (zh) * 2011-03-11 2013-05-15 北京华清燃气轮机与煤气化联合循环工程技术有限公司 燃气轮机的涡轮转子叶片
CN103946483A (zh) * 2011-11-25 2014-07-23 西门子公司 具有冷却通路的翼
US9464528B2 (en) 2013-06-14 2016-10-11 Solar Turbines Incorporated Cooled turbine blade with double compound angled holes and slots
US10598027B2 (en) * 2014-03-27 2020-03-24 Siemens Aktiengesellschaft Blade for a gas turbine and method of cooling the blade
GB2533315B (en) * 2014-12-16 2017-04-12 Rolls Royce Plc Cooling of engine components
JP2016125380A (ja) * 2014-12-26 2016-07-11 川崎重工業株式会社 タービン翼の冷却構造

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008064002A (ja) * 2006-09-06 2008-03-21 Ihi Corp 冷却構造
JP2014177900A (ja) * 2013-03-14 2014-09-25 Ihi Corp 冷却促進構造

Also Published As

Publication number Publication date
US20200018173A1 (en) 2020-01-16
CN110337530A (zh) 2019-10-15
GB2574951A8 (en) 2020-02-05
JP2018150829A (ja) 2018-09-27
CN110337530B (zh) 2022-03-29
JP6860383B2 (ja) 2021-04-14
GB2574951A (en) 2019-12-25
DE112018001266B4 (de) 2025-02-06
WO2018164150A8 (ja) 2019-09-06
US11384644B2 (en) 2022-07-12
WO2018164150A1 (ja) 2018-09-13
GB201912924D0 (en) 2019-10-23
DE112018001266T5 (de) 2019-11-28

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