JP2019529788A - 冷却回路を備えたタービン・ブレード - Google Patents
冷却回路を備えたタービン・ブレード Download PDFInfo
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- JP2019529788A JP2019529788A JP2019517017A JP2019517017A JP2019529788A JP 2019529788 A JP2019529788 A JP 2019529788A JP 2019517017 A JP2019517017 A JP 2019517017A JP 2019517017 A JP2019517017 A JP 2019517017A JP 2019529788 A JP2019529788 A JP 2019529788A
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-
- 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
-
- 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
- F01D5/185—Liquid 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
- F01D5/187—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
- 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
- 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
- F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
-
- 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
- F05D2240/24—Rotors for 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
- 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
- F05D2260/202—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
- F05D2260/205—Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
径方向に延在すると共に、圧力側及び吸引側を呈する航空用のタービン・ブレードであって、該ブレードは、該ブレードの上記圧力側にて径方向に延在する複数の圧力側キャビティと、該ブレードの上記吸引側にて径方向に延在する複数の吸引側キャビティと、該ブレードの中央部分に配置されると共に上記圧力側キャビティにより且つ上記吸引側キャビティにより囲まれた少なくとも一つの中央キャビティとを含み、該ブレードは複数の冷却回路を更に含む、という航空用のタービン・ブレードにおいて、
少なくとも第1の冷却回路は、
当該ブレードの径方向内側端部にて且つ径方向外側端部にて相互に連通する第1キャビティ及び第2キャビティと、
上記径方向外側端部にて上記第2キャビティと連通する第3キャビティと、
上記径方向内側端部にて上記第3キャビティと連通する第4キャビティと、を備えて成り、
上記第1及び第2のキャビティは、上記径方向内側端部にて開口する共通の空気取入口を通し、且つ、当該低温空気がそれらの中で径方向に同一方向に流れる様に、低温空気を協働して供給されるべく構成され、
上記第1キャビティは圧力側キャビティであり、上記第2キャビティは中央キャビティであり、且つ、上記第3及び第4のキャビティは吸引側キャビティである、
航空用のタービン・ブレードを提供する。
Claims (8)
- 径方向に延在すると共に、圧力側(22)及び吸引側(24)を呈する航空用のタービン・ブレード(10)であって、前記ブレード(10)は、前記ブレード(10)の前記圧力側(22)にて径方向に延在する複数の圧力側キャビティと、前記ブレード(10)の前記吸引側(24)にて径方向に延在する複数の吸引側キャビティと、前記ブレード(10)の中央部分に配置されると共に前記圧力側キャビティにより且つ前記吸引側キャビティにより囲繞された少なくとも一つの中央キャビティとを含み、前記ブレード(10)は複数の冷却回路を更に含む、という航空用のタービン・ブレード(10)において、
少なくとも第1の冷却回路(1)は、
前記ブレード(10)の径方向内側端部(14)にて且つ径方向外側端部(16)にて相互に連通する、第1キャビティ(A)及び第2キャビティ(B)と、
前記径方向外側端部(16)にて前記第2キャビティ(B)と連通する第3キャビティ(C)と、
前記径方向内側端部(14)にて前記第3キャビティ(C)と連通する第4キャビティ(D)と、を備えて成り、
前記第1キャビティ(A)及び前記第2キャビティ(B)は、前記径方向内側端部(14)にて開口する共通の空気取入口を通し、且つ、低温空気がそれらの中で径方向に同一方向に流れる様に、前記低温空気を協働して供給されるべく構成され、
前記第1キャビティ(A)は圧力側キャビティであり、前記第2キャビティ(B)は中央キャビティであり、且つ、前記第3キャビティ(C)及び前記第4キャビティ(D)は吸引側キャビティである、航空用のタービン・ブレード(10)。 - 各々が、前記第1キャビティ(A)と連通し、且つ、前記ブレード(10)の前記圧力側(22)において外方に開口する、複数の圧力側オリフィス(40)を含む、請求項1記載のブレード(10)。
- 各々が、前記第4キャビティ(D)と連通し、且つ、前記ブレード(10)の前記吸引側(24)上へと外方に開口する、複数の吸引側オリフィス(44)を含む、請求項1又は2に記載のブレード(10)。
- 2つの圧力側キャビティ(E、F)の一方は前記ブレード(10)の前記径方向内側端部(14)において開口する空気取入口を介して低温空気が供給されるという前記2つの圧力側キャビティ(E、F)の間にて前記ブレード(10)に沿い径方向に分布された複数の通路(52)を介して相互に連通する2つの圧力側キャビティ(E、F)を含む少なくとも第2冷却回路(2)を含む、請求項1〜3のいずれか一項に記載のブレード(10)。
- 吸引側キャビティ(G)、及び、後縁部(20)において前記ブレード(10)の前記吸引側(24)及び圧力側(22)の両方にて径方向に延在する後縁部キャビティ(H)であって、前記吸引側キャビティ(G)及び前記後縁部キャビティ(H)は、前記ブレード(10)の前記径方向内側端部(14)において開口する空気取入口を介して低温空気が供給され、前記吸引側キャビティ(G)は、それが前記ブレード(10)の前記後縁部(20)に到達するまで延在する如き様式で前記ブレード(10)の前記径方向外側端部(16)にて所定角度を形成するという、吸引側キャビティ(G)及び後縁部キャビティ(H)を含む少なくとも第3冷却回路(3)を含む、請求項1〜4のいずれか一項に記載のブレード(10)。
- 前記複数の冷却回路は相互に独立的である、請求項1〜5のいずれか一項に記載のブレード(10)。
- 前記径方向に対して直交する断面において、第2長さの少なくとも7倍以上である第1長さを有する、2個より少ない薄寸キャビティを含む、請求項1〜6のいずれか一項に記載のブレード(10)。
- 請求項1〜7のいずれか一項に記載のブレードを含む、ガスタービン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1601421A FR3056631B1 (fr) | 2016-09-29 | 2016-09-29 | Circuit de refroidissement ameliore pour aubes |
FR1601421 | 2016-09-29 | ||
PCT/FR2017/052636 WO2018060627A1 (fr) | 2016-09-29 | 2017-09-28 | Aube de turbine comportant un circuit de refroidissement |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019529788A true JP2019529788A (ja) | 2019-10-17 |
JP6908697B2 JP6908697B2 (ja) | 2021-07-28 |
Family
ID=57750006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019517017A Active JP6908697B2 (ja) | 2016-09-29 | 2017-09-28 | 冷却回路を備えたタービン・ブレード |
Country Status (8)
Country | Link |
---|---|
US (1) | US10844733B2 (ja) |
EP (1) | EP3519679B1 (ja) |
JP (1) | JP6908697B2 (ja) |
CN (1) | CN109790754B (ja) |
CA (1) | CA3038615A1 (ja) |
FR (1) | FR3056631B1 (ja) |
RU (1) | RU2741357C2 (ja) |
WO (1) | WO2018060627A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US10731474B2 (en) * | 2018-03-02 | 2020-08-04 | Raytheon Technologies Corporation | Airfoil with varying wall thickness |
FR3079869B1 (fr) * | 2018-04-05 | 2022-05-13 | Safran Aircraft Engines | Aube de turbine haute pression comportant une cavite morte presentant une reduction de section |
US10753210B2 (en) * | 2018-05-02 | 2020-08-25 | Raytheon Technologies Corporation | Airfoil having improved cooling scheme |
FR3094037B1 (fr) | 2019-03-22 | 2023-01-06 | Safran | Aube de turbomachine equipee d’un circuit de refroidissement et procede de fabrication a cire perdue d’une telle aube |
FR3095834B1 (fr) * | 2019-05-09 | 2021-06-04 | Safran | Aube de turbomachine à refroidissement amélioré |
FR3097263B1 (fr) | 2019-06-13 | 2022-08-12 | Safran Aircraft Engines | Aube de turbomachine à refroidissement amélioré |
DE102019125779B4 (de) * | 2019-09-25 | 2024-03-21 | Man Energy Solutions Se | Schaufel einer Strömungsmaschine |
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-
2016
- 2016-09-29 FR FR1601421A patent/FR3056631B1/fr not_active Expired - Fee Related
-
2017
- 2017-09-28 WO PCT/FR2017/052636 patent/WO2018060627A1/fr unknown
- 2017-09-28 CN CN201780059960.7A patent/CN109790754B/zh active Active
- 2017-09-28 CA CA3038615A patent/CA3038615A1/fr active Pending
- 2017-09-28 RU RU2019112437A patent/RU2741357C2/ru active
- 2017-09-28 JP JP2019517017A patent/JP6908697B2/ja active Active
- 2017-09-28 US US16/336,259 patent/US10844733B2/en active Active
- 2017-09-28 EP EP17787225.6A patent/EP3519679B1/fr active Active
Patent Citations (5)
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US5387085A (en) * | 1994-01-07 | 1995-02-07 | General Electric Company | Turbine blade composite cooling circuit |
JP2008032007A (ja) * | 2006-07-28 | 2008-02-14 | United Technol Corp <Utc> | 正圧面特徴部を用いた蛇行微細回路冷却 |
US20090028702A1 (en) * | 2007-07-23 | 2009-01-29 | Pietraszkiewicz Edward F | Blade cooling passage for a turbine engine |
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JP2015531449A (ja) * | 2012-10-04 | 2015-11-02 | ゼネラル・エレクトリック・カンパニイ | 空冷タービンブレードおよびこれに対応するタービンブレード冷却方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3519679B1 (fr) | 2020-05-20 |
EP3519679A1 (fr) | 2019-08-07 |
CA3038615A1 (fr) | 2018-04-05 |
JP6908697B2 (ja) | 2021-07-28 |
CN109790754B (zh) | 2022-06-07 |
US10844733B2 (en) | 2020-11-24 |
RU2741357C2 (ru) | 2021-01-25 |
WO2018060627A1 (fr) | 2018-04-05 |
BR112019006164A2 (pt) | 2019-06-18 |
FR3056631A1 (fr) | 2018-03-30 |
CN109790754A (zh) | 2019-05-21 |
RU2019112437A3 (ja) | 2020-11-27 |
FR3056631B1 (fr) | 2018-10-19 |
US20190211693A1 (en) | 2019-07-11 |
RU2019112437A (ru) | 2020-11-02 |
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