JP6216166B2 - エーロフォイル - Google Patents
エーロフォイル Download PDFInfo
- Publication number
- JP6216166B2 JP6216166B2 JP2013131234A JP2013131234A JP6216166B2 JP 6216166 B2 JP6216166 B2 JP 6216166B2 JP 2013131234 A JP2013131234 A JP 2013131234A JP 2013131234 A JP2013131234 A JP 2013131234A JP 6216166 B2 JP6216166 B2 JP 6216166B2
- Authority
- JP
- Japan
- Prior art keywords
- stagnation
- airfoil
- pressure side
- groove section
- cooling passage
- 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 claims description 40
- 239000012530 fluid Substances 0.000 claims description 32
- 238000004891 communication Methods 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims 2
- 239000002826 coolant Substances 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000000567 combustion gas Substances 0.000 description 10
- 239000000446 fuel Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000007704 transition Effects 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- -1 steam Substances 0.000 description 1
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
- F01D5/186—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
- 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
- F05D2240/306—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 suction 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
- 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
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Braking Arrangements (AREA)
Description
12 プラットフォーム
16 内側面
18 外側面
20 正圧側
22 負圧側
24 淀み線
26 後縁
30 長さ
32 長さ
40 淀み線溝区分
42 第1の縦列
44 冷却通路
46 正圧側溝区分
48 第2の縦列
50 負圧側溝区分
52 第3の縦列
54 第1の端部
56 第2の端部
58 側面冷却通路
62 対向する壁
64 第1の区分
66 第2の区分
70 枝部分
72 枝部分
80 ガスタービン
82 圧縮区域
84 燃焼区域
86 タービン区域
88 回転子
90 発電機
92 作動流体
94 固定静翼
96 回転動翼
98 圧縮機ケーシング
100 圧縮機排出通路
102 燃焼室ケーシング
104 燃料ノズル
106 端部カバー
108 燃焼室
110 移行ダクト
112 回転動翼
114 固定ノズル
Claims (8)
- エーロフォイル(10)であって、
a.内側面(16)と、
b.前記内側面(16)の反対側の外側面(18)であって、正圧側(20)、前記正圧側(20)の反対側の負圧側(22)、前記正圧側(20)と前記負圧側(22)との間の淀み線(24)、および前記正圧側(20)と前記負圧側(22)との間に、前記淀み線(24)から下流にある後縁(26)を備える外側面(18)と、
c.前記外側面(18)上の淀み溝区分(40)の縦列(42)を形成する複数の淀み溝区分(40)であって、前記淀み線(24)が各淀み溝区分(40)の少なくとも一部分を通過し、前記複数の淀み溝区分(40)が、第2の端部から半径方向及び軸方向に隔てられた第1の端部を有する第1の淀み溝区分と、前記第1の淀み溝区分に半径方向に隣接して配置され、第2の端部から半径方向及び軸方向に隔てられた第1の端部を有する第2の淀み溝区分とを含んでおり、前記第1の淀み溝区分の前記第2の端部が、前記第2の淀み溝区分の前記第1の端部に対して半径方向に重なる、複数の淀み溝区分(40)と、
d.前記各淀み溝区分(40)内の少なくとも1つの冷却通路(44)であって、前記内側面(16)から前記外側面(18)に流体連通をもたらす、冷却通路(44)と
を備える、エーロフォイル(10)。 - 前記淀み溝区分(40)の少なくとも1つが、弓型である、請求項1記載のエーロフォイル(10)。
- 前記淀み溝区分(40)が、異なる長さ、幅及び/又は深さを有する、請求項1乃至2のいずれか記載のエーロフォイル(10)。
- 前記淀み溝区分(40)の少なくとも1つの深さが次第に減少し、該淀み溝区分(40)内の前記少なくとも1つの冷却通路(44)が、前記深さの減少する方向に向かって傾斜している、請求項1乃至3のいずれか記載のエーロフォイル(10)。
- 前記正圧側(20)上の重なり型正圧側溝区分(46)の縦列(48)をさらに備える、請求項1乃至4のいずれか記載のエーロフォイル(10)。
- 前記負圧側(22)上の重なり型負圧側溝区分(50)の縦列(52)をさらに備える、請求項5記載のエーロフォイル(10)。
- 前記各正圧側溝区分(46)内に少なくとも1つの側面冷却通路(58)をさらに備え、前記側面冷却通路(58)が、前記内側面(16)から前記外側面(18)に流体連通をもたらす、請求項5乃至6のいずれか記載のエーロフォイル(10)。
- 前記正圧側溝区分(46)の側面冷却通路(58)が、前記淀み溝区分(40)内の前記冷却通路(58)から半径方向にオフセットされている、請求項7記載のエーロフォイル(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/535,540 US9080451B2 (en) | 2012-06-28 | 2012-06-28 | Airfoil |
US13/535,540 | 2012-06-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014009689A JP2014009689A (ja) | 2014-01-20 |
JP2014009689A5 JP2014009689A5 (ja) | 2016-07-28 |
JP6216166B2 true JP6216166B2 (ja) | 2017-10-18 |
Family
ID=48740854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013131234A Expired - Fee Related JP6216166B2 (ja) | 2012-06-28 | 2013-06-24 | エーロフォイル |
Country Status (5)
Country | Link |
---|---|
US (1) | US9080451B2 (ja) |
EP (1) | EP2679772B1 (ja) |
JP (1) | JP6216166B2 (ja) |
CN (1) | CN103527260B (ja) |
RU (1) | RU2611465C2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015047516A1 (en) * | 2013-07-03 | 2015-04-02 | General Electric Company | Trench cooling of airfoil structures |
JP5705945B1 (ja) * | 2013-10-28 | 2015-04-22 | ミネベア株式会社 | 遠心式ファン |
US10041356B2 (en) * | 2014-08-15 | 2018-08-07 | United Technologies Corporation | Showerhead hole scheme apparatus and system |
US20160169004A1 (en) | 2014-12-15 | 2016-06-16 | United Technologies Corporation | Cooling passages for gas turbine engine component |
US9976423B2 (en) | 2014-12-23 | 2018-05-22 | United Technologies Corporation | Airfoil showerhead pattern apparatus and system |
US10451084B2 (en) | 2015-11-16 | 2019-10-22 | General Electric Company | Gas turbine engine with vane having a cooling inlet |
US10280763B2 (en) * | 2016-06-08 | 2019-05-07 | Ansaldo Energia Switzerland AG | Airfoil cooling passageways for generating improved protective film |
KR101853550B1 (ko) * | 2016-08-22 | 2018-04-30 | 두산중공업 주식회사 | 가스 터빈 블레이드 |
US20180230812A1 (en) * | 2017-01-13 | 2018-08-16 | General Electric Company | Film hole arrangement for a turbine engine |
US10697301B2 (en) | 2017-04-07 | 2020-06-30 | General Electric Company | Turbine engine airfoil having a cooling circuit |
US10570747B2 (en) * | 2017-10-02 | 2020-02-25 | DOOSAN Heavy Industries Construction Co., LTD | Enhanced film cooling system |
US11401818B2 (en) * | 2018-08-06 | 2022-08-02 | General Electric Company | Turbomachine cooling trench |
CN113898415B (zh) * | 2021-10-15 | 2022-06-28 | 上海交通大学 | 用于提高低压涡轮叶片气动效率的结构及其工作方法 |
US11971170B1 (en) * | 2022-12-30 | 2024-04-30 | Ge Infrastructure Technology Llc | System and method having flame stabilizers for isothermal expansion in turbine stage of gas turbine engine |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5486093A (en) * | 1993-09-08 | 1996-01-23 | United Technologies Corporation | Leading edge cooling of turbine airfoils |
US5374162A (en) | 1993-11-30 | 1994-12-20 | United Technologies Corporation | Airfoil having coolable leading edge region |
US5458461A (en) | 1994-12-12 | 1995-10-17 | General Electric Company | Film cooled slotted wall |
US6050777A (en) | 1997-12-17 | 2000-04-18 | United Technologies Corporation | Apparatus and method for cooling an airfoil for a gas turbine engine |
US6210111B1 (en) | 1998-12-21 | 2001-04-03 | United Technologies Corporation | Turbine blade with platform cooling |
US6164912A (en) | 1998-12-21 | 2000-12-26 | United Technologies Corporation | Hollow airfoil for a gas turbine engine |
US6234755B1 (en) * | 1999-10-04 | 2001-05-22 | General Electric Company | Method for improving the cooling effectiveness of a gaseous coolant stream, and related articles of manufacture |
US6994521B2 (en) * | 2003-03-12 | 2006-02-07 | Florida Turbine Technologies, Inc. | Leading edge diffusion cooling of a turbine airfoil for a gas turbine engine |
RU2267616C1 (ru) * | 2004-05-21 | 2006-01-10 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения им. П.И. Баранова" | Охлаждаемая лопатка турбины |
US7553534B2 (en) * | 2006-08-29 | 2009-06-30 | General Electric Company | Film cooled slotted wall and method of making the same |
US20090246011A1 (en) * | 2008-03-25 | 2009-10-01 | General Electric Company | Film cooling of turbine components |
US8105030B2 (en) | 2008-08-14 | 2012-01-31 | United Technologies Corporation | Cooled airfoils and gas turbine engine systems involving such airfoils |
US8087893B1 (en) | 2009-04-03 | 2012-01-03 | Florida Turbine Technologies, Inc. | Turbine blade with showerhead film cooling holes |
US20110097188A1 (en) | 2009-10-23 | 2011-04-28 | General Electric Company | Structure and method for improving film cooling using shallow trench with holes oriented along length of trench |
US8608443B2 (en) * | 2010-06-11 | 2013-12-17 | Siemens Energy, Inc. | Film cooled component wall in a turbine engine |
JP5517163B2 (ja) * | 2010-10-07 | 2014-06-11 | 株式会社日立製作所 | タービン翼の冷却孔加工方法 |
US8870535B2 (en) * | 2012-01-13 | 2014-10-28 | General Electric Company | Airfoil |
US8870536B2 (en) * | 2012-01-13 | 2014-10-28 | General Electric Company | Airfoil |
-
2012
- 2012-06-28 US US13/535,540 patent/US9080451B2/en active Active
-
2013
- 2013-06-20 EP EP13172933.7A patent/EP2679772B1/en active Active
- 2013-06-24 JP JP2013131234A patent/JP6216166B2/ja not_active Expired - Fee Related
- 2013-06-27 RU RU2013129242A patent/RU2611465C2/ru not_active IP Right Cessation
- 2013-06-28 CN CN201310268845.4A patent/CN103527260B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2679772B1 (en) | 2015-05-27 |
RU2013129242A (ru) | 2015-01-10 |
CN103527260A (zh) | 2014-01-22 |
CN103527260B (zh) | 2017-03-01 |
EP2679772A1 (en) | 2014-01-01 |
US20140003960A1 (en) | 2014-01-02 |
JP2014009689A (ja) | 2014-01-20 |
RU2611465C2 (ru) | 2017-02-22 |
US9080451B2 (en) | 2015-07-14 |
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