JP5311892B2 - 相反冷却式タービンノズル - Google Patents
相反冷却式タービンノズル Download PDFInfo
- Publication number
- JP5311892B2 JP5311892B2 JP2008157348A JP2008157348A JP5311892B2 JP 5311892 B2 JP5311892 B2 JP 5311892B2 JP 2008157348 A JP2008157348 A JP 2008157348A JP 2008157348 A JP2008157348 A JP 2008157348A JP 5311892 B2 JP5311892 B2 JP 5311892B2
- Authority
- JP
- Japan
- Prior art keywords
- vanes
- cooling
- vane
- nozzle
- turbine
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 125
- 239000000446 fuel Substances 0.000 claims description 32
- 239000012720 thermal barrier coating Substances 0.000 claims description 18
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 2
- 239000000567 combustion gas Substances 0.000 description 23
- 239000007789 gas Substances 0.000 description 8
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Images
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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using 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
- 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
- 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
- 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
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- 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)
Description
B ベーンの数
P ピッチ
10 エンジン
12 圧縮機
14 空気
16 燃焼器
18 燃焼ガス
20 タービンノズル
22 ロータブレード
24 外側ライナ
26 内側ライナ
28 ドーム
30 燃料噴射装置
32 スワールカップ
34 出口
36 第1のベーン
38 第2のベーン
40 外側バンド
42 内側バンド
44 軸方向分割線
46 端面
48 スプラインシール
50 正圧側面
52 負圧側面
54 前縁
56 後縁
58 内側寄り流路
60 外側寄り流路
62 第1の冷却回路
64 第2の冷却回路
66 インピンジメントバッフル
68 インピンジメントバッフル
70 インピンジメントバッフル
72 インピンジメントバッフル
74 インピンジメント孔
76 フィルム冷却孔
78 断熱皮膜(TBC)
Claims (10)
- 燃料噴射装置(30)の列を含むアニュラ型燃焼器(16)と、
それらの間に軸方向分割線(44)を有する外側及び内側バンド(40、42)間に対として半径方向に配置された交互する第1及び第2のベーン(36、38)の列を備えたタービンノズル(20)と
を含み、
前記ベーン(36、38)列のベーン数が、前記燃料噴射装置(30)列の燃料噴射装置数の二倍であり、
前記第1及び第2のベーン(36、38)が、該第1及び第2のベーン(36、38)間の内側寄り流路(58)の境界となる該第1及び第2のベーン(36、38)の側面を該第1及び第2のベーン(36、38)間に分割線(44)を備えた外側寄り流路(60)の境界となる側面とは異なる状態で冷却するようになった異なる第1及び第2の冷却回路(62、64)を有する、
ガスタービンエンジン装置。 - 前記第1及び第2の冷却回路(62、64)が、前記ベーン対の内側寄り側面に対してよりも、該ベーン対の外側寄り側面(50、52)対してより多くの冷却を行う、請求項1記載の装置。
- 前記第1及び第2の冷却回路(62、64)が、前記ベーン(36、38)の前縁及び後縁(54、56)間の前記内側寄り側面(50、52)に沿ってよりも、該ベーン(36、38)の前縁(54)から後縁(56)までの前記外側寄り側面(50、52)に沿ってより多くの冷却を行う、請求項1又は2記載の装置。
- 前記第1及び第2の冷却回路(62、64)が、異なるフィルム冷却構成を含む、請求項1乃至3のいずれか1項に記載の装置。
- 前記第1及び第2の冷却回路(62、64)が、前記内側寄り側面(50、52)を貫通するその密度よりも前記外側寄り側面(50、52)を貫通するその密度が大きいフィルム冷却孔パターンを含む、請求項1乃至4のいずれか1項に記載の装置。
- 前記第1及び第2の冷却回路(62、64)が、異なるインピンジメント冷却構成を含む、請求項1乃至3のいずれか1項に記載の装置。
- 前記第1及び第2の冷却回路(62、64)が、前記内側寄り側面(50、52)の内面に面するその密度よりも前記外側寄り側面(50、52)の内面に面するその密度が大きいインピンジメント孔(74)パターンを有するインピンジメントバッフル(66〜72)を前記ベーン(36、38)内部に含む、請求項6記載の装置。
- 前記第1及び第2の冷却回路(62、64)が、前記外側寄り及び内側寄り側面(50、52)上に異なる断熱皮膜(78)を含む、請求項1乃至7のいずれか1項に記載の装置。
- 前記燃焼器(16)は、前記ベーン(36、38)の上流に配置され、
前記燃料噴射装置(30)の列が、それぞれ前記外側寄り流路(60)に対してクロックされている、
請求項1乃至8のいずれか1項に記載の装置。 - 前記噴射装置(30)が、前記分割線(44)に対してクロックされる、請求項1乃至9のいずれか1項に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/765,522 US7836703B2 (en) | 2007-06-20 | 2007-06-20 | Reciprocal cooled turbine nozzle |
US11/765,522 | 2007-06-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009002340A JP2009002340A (ja) | 2009-01-08 |
JP5311892B2 true JP5311892B2 (ja) | 2013-10-09 |
Family
ID=39672293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008157348A Expired - Fee Related JP5311892B2 (ja) | 2007-06-20 | 2008-06-17 | 相反冷却式タービンノズル |
Country Status (6)
Country | Link |
---|---|
US (1) | US7836703B2 (ja) |
JP (1) | JP5311892B2 (ja) |
CN (1) | CN101328814B (ja) |
CA (1) | CA2633787A1 (ja) |
DE (1) | DE102008002890A1 (ja) |
GB (1) | GB2450405B (ja) |
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2007
- 2007-06-20 US US11/765,522 patent/US7836703B2/en active Active
-
2008
- 2008-06-05 CA CA002633787A patent/CA2633787A1/en not_active Abandoned
- 2008-06-13 DE DE102008002890A patent/DE102008002890A1/de not_active Withdrawn
- 2008-06-13 GB GB0810919A patent/GB2450405B/en not_active Expired - Fee Related
- 2008-06-17 JP JP2008157348A patent/JP5311892B2/ja not_active Expired - Fee Related
- 2008-06-20 CN CN200810125347.3A patent/CN101328814B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN101328814B (zh) | 2014-10-22 |
GB0810919D0 (en) | 2008-07-23 |
DE102008002890A1 (de) | 2008-12-24 |
CN101328814A (zh) | 2008-12-24 |
GB2450405A (en) | 2008-12-24 |
US20080317585A1 (en) | 2008-12-25 |
JP2009002340A (ja) | 2009-01-08 |
GB2450405B (en) | 2011-11-30 |
CA2633787A1 (en) | 2008-12-20 |
US7836703B2 (en) | 2010-11-23 |
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