JP2007154893A - ジグザク冷却式のタービンブレード - Google Patents
ジグザク冷却式のタービンブレード Download PDFInfo
- Publication number
- JP2007154893A JP2007154893A JP2006328707A JP2006328707A JP2007154893A JP 2007154893 A JP2007154893 A JP 2007154893A JP 2006328707 A JP2006328707 A JP 2006328707A JP 2006328707 A JP2006328707 A JP 2006328707A JP 2007154893 A JP2007154893 A JP 2007154893A
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- Prior art keywords
- channel
- airfoil
- circuit
- channels
- cooling
- 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.)
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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
-
- 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
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/121—Fluid guiding means, e.g. vanes related to the leading edge of a stator vane
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- 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
- 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
- F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
-
- 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
【解決手段】タービンエーロフォイル(16)は、翼幅方向に延び、リブ(36)によって分離されるフローチャネル(1〜12)を画定するために離隔された圧力および吸引側壁(22、24)を備える。側部チャネル(1、3、5、8〜10)が、一方の側壁(22、24)に沿って配置され、リブ(36)によって対向する側壁(22、24)から離隔されており、中央チャネル(2、4)が側壁(22、24)を架橋する。側部および中央チャネル(1〜5)は、側壁(22、24)から中央チャネル(2、4)内へ熱を伝達するために、それらの間で交番するジグザグに曲がった冷却回路内に配置されている。
【選択図】図2
Description
14 動翼
16 エーロフォイル
18 プラットホーム
20 支持ダブテイル
22 圧力側壁
24 吸引側壁
26 前縁
28 後縁
30 根部
32 先端部
34 燃焼ガス
36 リブ
38 冷却空気
40 外側接点
42 内側接点
44 冷却孔
46 インピンジメント孔
48 シア孔
50 排出スロット
52 攪拌器
Claims (10)
- 支持ダブテイル(20)と接合されたプラットホーム(18)に根部(30)で接合されたエーロフォイル(16)を備え、
前記エーロフォイル(16)が、前記エーロフォイルの圧力側壁(22)に沿って内側に、かつ前記エーロフォイルの前縁で第2のインピンジメント回路(6〜7)の翼弦方向後方に部分的に配置され、対向する吸引側壁(24)に沿って内側に配置された第3のシア回路(8〜12)の横方向後方に配置されているジグザグに曲がった第1の回路(1〜5)を備える3つの独立した冷却回路を有し、
前記第1の回路が、前記圧力および吸引側壁(22、24)を架橋する中央フローチャネル(2)と交番する前記圧力側壁(22)に沿った複数の側部フローチャネル(1、3)を備える
タービンブレード(14)。 - 前記エーロフォイル(16)は、前記エーロフォイル(16)の前記根部(30)から外側先端部(32)へ翼幅方向に延びる前記3つの回路の対応するフローチャネル(1〜12)を画定する複数のリブ(36)を備え、かつ、
前記3つの回路のそれぞれが、前記エーロフォイル(16)の最大の幅内で前記前縁(26)の後方で互いに直接グループ化された、対応する取入フローチャネル(1、6、8)と、前記側壁(22、24)を通る各排出孔(44、50)とを備え、前記取入チャネルが、冷却空気(38)を受けるために、前記プラットホーム(18)およびダブテイル(20)を通ってその底部へ延びる
請求項1記載のブレード。 - 前記リブ(36)が、外側接点(40)で前記側壁(22、24)を接合し、内側接点(42)で互いに接合するためにそこから内側へ延びており、かつ前記中央チャネル(2、4)が、対応する内側接点と外側接点(40、42)との間の前記側部チャネル(1、3、5)と流体的に連絡して接合する請求項2記載のブレード。
- 前記リブ(36)が、対応する外側接点(40)で前記側壁(22、24)を接合するために外向きに対で斜めに延び、かつ対応する内側接点(42)で互いに接合するために前記側壁(22、24)から内向きに延びている請求項3記載のブレード。
- 前記曲がった回路(1〜3)が、中央第2のチャネル(2)によってさらに追従され、やはり前記圧力側壁(22)の内側に配置された側部の第3のチャネル(3)によってさらに追従される、前記圧力側壁(22)の内側に配置された側部の第1のチャネル(1)を備えるスリーパス回路で構成されている請求項4記載のブレード。
- 前記中央チャネル(2、4)が、前記外側接点(40)のうちの2つによって対向する側壁(22、24)と接合され、かつ前記内側接点(42)のうちの2つのよって互いに接合された前記リブ(36)のうちの4本によって画定される請求項5記載のブレード。
- 前記中央チャネル(2、4)が、前記側壁(22、24)を架橋するほぼダイヤモンド形状を有し、
前記側部チャネル(1、3)が、前記外側接点(40)を架橋する底辺と、前記内側接点(42)の頂点を備える三角形形状を有する請求項6記載のブレード。 - 前記曲がった回路(1〜5)が、前記第3のチャネルをさらに追従する中央の第4のチャネル(4)と、前記第4のチャネル(4)をさらに追従する側部の第5のチャネル(5)をさらに備える5パス回路(1〜5)で構成されている請求項7記載のブレード。
- 前記第2の回路が、前記エーロフォイル(16)内部から前記前縁(26)をインピンジメント冷却するために、孔開きリブ(36)によって分離された2つのフローチャネル(6、7)を備える請求項8記載のブレード。
- 前記第3の回路が、前記第2の回路(6〜7)と前記後縁(28)との間に前記第1の回路(1〜5)の横方向および翼弦方向後方に配置された5つのフローチャネル(8〜12)を備え、
前記第3の回路内の前記リブ(36)が、前記吸引側壁(24)との接合部で冷却シア孔(48)の対応する列を備える請求項9記載のブレード。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/294,218 US7293961B2 (en) | 2005-12-05 | 2005-12-05 | Zigzag cooled turbine airfoil |
US11/294,218 | 2005-12-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007154893A true JP2007154893A (ja) | 2007-06-21 |
JP4958527B2 JP4958527B2 (ja) | 2012-06-20 |
Family
ID=37596097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006328707A Expired - Fee Related JP4958527B2 (ja) | 2005-12-05 | 2006-12-05 | ジグザク冷却式のタービンブレード |
Country Status (4)
Country | Link |
---|---|
US (1) | US7293961B2 (ja) |
EP (1) | EP1793085A3 (ja) |
JP (1) | JP4958527B2 (ja) |
CN (1) | CN1982655B (ja) |
Cited By (2)
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US9995148B2 (en) | 2012-10-04 | 2018-06-12 | General Electric Company | Method and apparatus for cooling gas turbine and rotor blades |
JP2018112182A (ja) * | 2016-10-26 | 2018-07-19 | ゼネラル・エレクトリック・カンパニイ | 後縁冷却回路を備えたターボ機械ブレード |
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-
2006
- 2006-12-05 JP JP2006328707A patent/JP4958527B2/ja not_active Expired - Fee Related
- 2006-12-05 EP EP06125461A patent/EP1793085A3/en not_active Withdrawn
- 2006-12-05 CN CN2006100647924A patent/CN1982655B/zh not_active Expired - Fee Related
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JP2001065301A (ja) * | 1999-07-22 | 2001-03-13 | General Electric Co <Ge> | 内部冷却翼形部品並びに冷却方法 |
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US20050226726A1 (en) * | 2004-04-08 | 2005-10-13 | Ching-Pang Lee | Cascade impingement cooled airfoil |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9995148B2 (en) | 2012-10-04 | 2018-06-12 | General Electric Company | Method and apparatus for cooling gas turbine and rotor blades |
JP2018112182A (ja) * | 2016-10-26 | 2018-07-19 | ゼネラル・エレクトリック・カンパニイ | 後縁冷却回路を備えたターボ機械ブレード |
JP7175599B2 (ja) | 2016-10-26 | 2022-11-21 | ゼネラル・エレクトリック・カンパニイ | 後縁冷却回路を備えたターボ機械ブレード |
Also Published As
Publication number | Publication date |
---|---|
EP1793085A2 (en) | 2007-06-06 |
US7293961B2 (en) | 2007-11-13 |
CN1982655A (zh) | 2007-06-20 |
JP4958527B2 (ja) | 2012-06-20 |
EP1793085A3 (en) | 2012-05-30 |
CN1982655B (zh) | 2012-06-13 |
US20070128034A1 (en) | 2007-06-07 |
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