JP2018112182A - 後縁冷却回路を備えたターボ機械ブレード - Google Patents
後縁冷却回路を備えたターボ機械ブレード Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 239000013529 heat transfer fluid Substances 0.000 claims abstract description 39
- 238000012546 transfer Methods 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 17
- 239000000567 combustion gas Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
- 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
- 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
- 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
- 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
- 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
- F05D2240/305—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 pressure side 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
- 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
- F05D2240/307—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 tip 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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Abstract
【解決手段】ターボ機械ブレードは、前縁16、後縁18、前縁と後縁との間に延びる負圧側10、負圧側に対向する正圧側8、根元部、および根元部に対向する先端を有する本体6と、本体内に含まれる後縁冷却回路30であって、根元部から先端に向かって正圧側に沿って延びる第1のセクション32、第1のセクションから後縁に向かって延びる第2のセクション34、および後縁から負圧側に沿って延びる第3のセクション36であって、後縁冷却回路30は、熱伝達流体60を後縁で本体から放出することなく、第1のセクションから第2のセクションへ、および第2のセクションから第3のセクションへと熱伝達流体の流れを向けるように構成される第3のセクションを含む後縁冷却回路とを含む。
【選択図】図2
Description
第3のセクション内の負圧側熱伝達要素、および負圧側に近接して第3のセクションと流体的に接続された一組のフィルム孔を含む後縁冷却回路とを含む、ターボ機械ブレードを提供する。
4 シャンク
6 本体
8 正圧側
10 負圧側
12 根元部
14 先端
16 前縁
18 後縁
20 プラットフォーム
30 TE冷却回路、後縁冷却回路
32 第1のセクション
34 第2のセクション
36 第3のセクション
38 正圧側熱伝達要素
40 流体通路
42 負圧側熱伝達要素
46 内部領域、内部空間
48 後縁流体チャネル
50 正圧側フィルム孔
52 負圧側フィルム孔
60 熱伝達流体
80 出口通路
85 出口開口部
102 ガスターボ機械、ガスタービンシステム
104 圧縮機
106 空気の流れ
108 圧縮された空気の流れ
110 燃焼器
112 燃料の流れ
114 燃焼ガスの流れ
116 タービン
118 シャフト
120 外部負荷
A 軸線
X−X 断面
X’−X’ 断面
X’’−X’’ 断面
Claims (10)
- 前縁(16)、前記前縁(16)に対向する後縁(18)、前記前縁(16)と前記後縁(18)との間に延びる負圧側(10)、前記負圧側(10)に対向し、前記前縁(16)と前記後縁(18)との間に延びる正圧側(8)、根元部(12)、および前記根元部(12)に対向する先端(14)を有する本体(6)と、
前記本体(6)内に含まれる後縁冷却回路(30)であって、前記根元部(12)から前記先端(14)に向かって前記正圧側(8)に沿って延びる第1のセクション(32)、前記第1のセクション(32)から前記後縁(18)に向かって延びる第2のセクション(34)、および前記後縁(18)から前記負圧側(10)に沿って延びる第3のセクション(36)であって、前記後縁冷却回路(30)は、熱伝達流体(60)を前記後縁(18)で前記本体(6)から放出することなく、前記第1のセクション(32)から前記第2のセクション(34)へ、および前記第2のセクション(34)から前記第3のセクション(36)へと前記熱伝達流体(60)の流れを向けるように構成される第3のセクション(36)を含む後縁冷却回路(30)と
を含む、ターボ機械ブレード(2)。 - 前記熱伝達流体(60)の流れを向けるために前記第2のセクション(34)内に正圧側熱伝達要素(38)をさらに備える、請求項1に記載のターボ機械ブレード(2)。
- 前記正圧側熱伝達要素(38)が、前記根元部(12)と前記先端(14)との間に部分的に半径方向にのみ延びる、請求項2に記載のターボ機械ブレード(2)。
- 前記第3のセクション(36)内に負圧側熱伝達要素(42)をさらに備える、請求項1に記載のターボ機械ブレード(2)。
- 前記負圧側(10)に近接して前記第3のセクション(36)と流体的に接続された一組のフィルム孔(50)をさらに備える、請求項4に記載のターボ機械ブレード(2)。
- 前記第1のセクション(32)が、前記根元部(12)と前記先端(14)との間に部分的に半径方向にのみ延びる流体通路(40)を含む、請求項1に記載のターボ機械ブレード(2)。
- 前記流体通路(40)が、前記根元部(12)と前記先端(14)との間にテーパ状の容積を有し、前記テーパ状の容積が、前記根元部(12)に近接するより大きい容積と、前記先端(14)に近接するより小さい容積とを含む、請求項6に記載のターボ機械ブレード(2)。
- 前記後縁冷却回路(30)に接続された出口通路(80)をさらに備え、前記出口通路(80)が、前記本体(6)の前記後縁(18)に位置し、前記本体(6)に沿って部分的に半径方向にのみ延びる、請求項1に記載のターボ機械ブレード(2)。
- 圧縮機(104)構成要素、燃焼器(110)構成要素、およびタービン(116)構成要素を含むガスタービン(116)システム
を備え、
前記タービン(116)構成要素は、
前縁(16)、前記前縁(16)に対向する後縁(18)、前記前縁(16)と前記後縁(18)との間に延びる負圧側(10)、前記負圧側(10)に対向し、前記前縁(16)と前記後縁(18)との間に延びる正圧側(8)、根元部(12)、および前記根元部(12)に対向する先端(14)を有する本体(6)と、
前記本体(6)内に含まれる後縁冷却回路(30)であって、前記根元部(12)から前記先端(14)に向かって前記正圧側(8)に沿って延びる第1のセクション(32)、前記第1のセクション(32)から前記後縁(18)に向かって延びる第2のセクション(34)、および前記後縁(18)から前記負圧側(10)に沿って延びる第3のセクション(36)であって、前記後縁冷却回路(30)は、熱伝達流体(60)を前記後縁(18)で前記本体(6)から放出することなく、前記第1のセクション(32)から前記第2のセクション(34)へ、および前記第2のセクション(34)から前記第3のセクション(36)へと前記熱伝達流体(60)の流れを向けるように構成される第3のセクション(36)を含む後縁冷却回路(30)とを含む少なくとも1つのターボ機械ブレード(2)
を含む、ターボ機械。 - 前縁(16)、前記前縁(16)に対向する後縁(18)、前記前縁(16)と前記後縁(18)との間に延びる負圧側(10)、前記負圧側(10)に対向し、前記前縁(16)と前記後縁(18)との間に延びる正圧側(8)、根元部(12)、および前記根元部(12)に対向する先端(14)を有する本体(6)と、
前記本体(6)内に含まれる後縁冷却回路(30)であって、
前記根元部(12)から前記先端(14)に向かって前記正圧側(8)に沿って延びる第1のセクション(32)、
前記第1のセクション(32)から前記後縁(18)に向かって延びる第2のセクション(34)、
前記後縁(18)から前記負圧側(10)に沿って延びる第3のセクション(36)であって、
前記後縁冷却回路(30)は、熱伝達流体(60)を前記後縁(18)で前記本体(6)から放出することなく、前記第1のセクション(32)から前記第2のセクション(34)へ、および前記第2のセクション(34)から前記第3のセクション(36)へと前記熱伝達流体(60)の流れを向けるように構成される第3のセクション(36)、
前記第2のセクション(34)内の正圧側熱伝達要素(38)、
前記第3のセクション(36)内の負圧側熱伝達要素(42)、および
前記負圧側(10)または前記正圧側(8)の少なくとも1つに近接して前記第3のセクション(36)と流体的に接続された一組のフィルム孔(50)を含む後縁冷却回路(30)と
を備える、ターボ機械ブレード(2)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US15/334,448 | 2016-10-26 | ||
US15/334,448 US10450950B2 (en) | 2016-10-26 | 2016-10-26 | Turbomachine blade with trailing edge cooling circuit |
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JP2018112182A true JP2018112182A (ja) | 2018-07-19 |
JP7175599B2 JP7175599B2 (ja) | 2022-11-21 |
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EP (1) | EP3336311B1 (ja) |
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US10301946B2 (en) | 2016-10-26 | 2019-05-28 | General Electric Company | Partially wrapped trailing edge cooling circuits with pressure side impingements |
US10233761B2 (en) | 2016-10-26 | 2019-03-19 | General Electric Company | Turbine airfoil trailing edge coolant passage created by cover |
US10240465B2 (en) | 2016-10-26 | 2019-03-26 | General Electric Company | Cooling circuits for a multi-wall blade |
US10309227B2 (en) | 2016-10-26 | 2019-06-04 | General Electric Company | Multi-turn cooling circuits for turbine blades |
US11053809B2 (en) | 2019-07-16 | 2021-07-06 | General Electric Company | Turbine engine airfoil |
US11732594B2 (en) | 2019-11-27 | 2023-08-22 | General Electric Company | Cooling assembly for a turbine assembly |
FR3108363B1 (fr) | 2020-03-18 | 2022-03-11 | Safran Aircraft Engines | Aube de turbine comportant trois types d’orifices de refroidissement du bord de fuite |
IT202100000296A1 (it) | 2021-01-08 | 2022-07-08 | Gen Electric | Motore a turbine con paletta avente un insieme di fossette |
US11814965B2 (en) | 2021-11-10 | 2023-11-14 | General Electric Company | Turbomachine blade trailing edge cooling circuit with turn passage having set of obstructions |
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EP3336311B1 (en) | 2020-02-26 |
US20180112533A1 (en) | 2018-04-26 |
CN107989657A (zh) | 2018-05-04 |
EP3336311A1 (en) | 2018-06-20 |
CN107989657B (zh) | 2022-07-05 |
JP7175599B2 (ja) | 2022-11-21 |
US10450950B2 (en) | 2019-10-22 |
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