KR20250002625A - 정익, 및 이를 구비하고 있는 가스 터빈 - Google Patents

정익, 및 이를 구비하고 있는 가스 터빈 Download PDF

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Publication number
KR20250002625A
KR20250002625A KR1020247038978A KR20247038978A KR20250002625A KR 20250002625 A KR20250002625 A KR 20250002625A KR 1020247038978 A KR1020247038978 A KR 1020247038978A KR 20247038978 A KR20247038978 A KR 20247038978A KR 20250002625 A KR20250002625 A KR 20250002625A
Authority
KR
South Korea
Prior art keywords
space
wall surface
wing
rear space
negative pressure
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.)
Pending
Application number
KR1020247038978A
Other languages
English (en)
Korean (ko)
Inventor
마사히토 가타오카
다케시 우메하라
게이야 이시야마
Original Assignee
미츠비시 파워 가부시키가이샤
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 미츠비시 파워 가부시키가이샤 filed Critical 미츠비시 파워 가부시키가이샤
Publication of KR20250002625A publication Critical patent/KR20250002625A/ko
Pending 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
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • 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
    • F01D9/023—Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
    • 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
    • F01D5/182—Transpiration cooling
    • F01D5/183—Blade walls being porous
    • 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
    • F01D9/06—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
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • 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
    • F05D2260/221—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)
KR1020247038978A 2022-05-31 2023-05-24 정익, 및 이를 구비하고 있는 가스 터빈 Pending KR20250002625A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2022-089017 2022-05-31
JP2022089017 2022-05-31
PCT/JP2023/019272 WO2023234134A1 (ja) 2022-05-31 2023-05-24 静翼、及びこれを備えているガスタービン

Publications (1)

Publication Number Publication Date
KR20250002625A true KR20250002625A (ko) 2025-01-07

Family

ID=89024891

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020247038978A Pending KR20250002625A (ko) 2022-05-31 2023-05-24 정익, 및 이를 구비하고 있는 가스 터빈

Country Status (5)

Country Link
JP (1) JP7802165B2 (https=)
KR (1) KR20250002625A (https=)
CN (1) CN119173682A (https=)
DE (1) DE112023001579T5 (https=)
WO (1) WO2023234134A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353131U (https=) 1986-09-24 1988-04-09
JPH10306705A (ja) 1997-05-01 1998-11-17 Mitsubishi Heavy Ind Ltd ガスタービン冷却静翼

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515523A (en) * 1983-10-28 1985-05-07 Westinghouse Electric Corp. Cooling arrangement for airfoil stator vane trailing edge
US6428273B1 (en) * 2001-01-05 2002-08-06 General Electric Company Truncated rib turbine nozzle
US20070258814A1 (en) * 2006-05-02 2007-11-08 Siemens Power Generation, Inc. Turbine airfoil with integral chordal support ribs
US11428166B2 (en) * 2020-11-12 2022-08-30 Solar Turbines Incorporated Fin for internal cooling of vane wall
JP7618429B2 (ja) 2020-12-03 2025-01-21 キヤノン株式会社 情報処理装置、情報処理方法およびプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353131U (https=) 1986-09-24 1988-04-09
JPH10306705A (ja) 1997-05-01 1998-11-17 Mitsubishi Heavy Ind Ltd ガスタービン冷却静翼

Also Published As

Publication number Publication date
JPWO2023234134A1 (https=) 2023-12-07
CN119173682A (zh) 2024-12-20
DE112023001579T5 (de) 2025-01-09
WO2023234134A1 (ja) 2023-12-07
JP7802165B2 (ja) 2026-01-19

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20241122

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application