JP3997986B2 - 冷却タービン部品、及び冷却タービン翼 - Google Patents
冷却タービン部品、及び冷却タービン翼 Download PDFInfo
- Publication number
- JP3997986B2 JP3997986B2 JP2003423406A JP2003423406A JP3997986B2 JP 3997986 B2 JP3997986 B2 JP 3997986B2 JP 2003423406 A JP2003423406 A JP 2003423406A JP 2003423406 A JP2003423406 A JP 2003423406A JP 3997986 B2 JP3997986 B2 JP 3997986B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- opening
- blade
- turbine
- component
- 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 - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims description 183
- 238000005192 partition Methods 0.000 claims description 30
- 238000007664 blowing Methods 0.000 claims description 27
- 239000007789 gas Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method 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
- 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
-
- 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
部品本体と;
前記部品本体の表面に形成され、入口側に前記ガスタービンエンジンにおける圧縮機又はファンから抽気された圧縮空気の一部を冷却空気として取入れ可能な取入れ開口部をそれぞれ有し、出口側に冷却空気を吹出し可能なスカート状に拡がった吹出し開口部をそれぞれ有し、前記吹出し開口部が前記部品本体の滑らかな表面と同一面上に位置してあって、前記吹出し開口部側が前記部品本体の厚さ方向に対してテーパ状に拡がるように構成され、前記吹出し開口部から吹出された冷却空気が前記部品本体の表面を沿って流れるように前記部品本体の厚さ方向に対してそれぞれ傾斜した複数の冷却孔と;
各冷却孔の出口側の底面にそれぞれ形成され、前記吹出し開口部に対向する側からみたときに一部分が前記冷却孔の奥側に入り込むように構成されると共に、前記吹出し開口部を開口中心から2つの分割開口部に仕切るように構成され、先端面が前記部品本体の滑らかな表面と同一面上に位置した隔壁と;
を具備してなることを特徴とする。
内部に前記ガスタービンエンジンにおける圧縮機又はファンから抽気された圧縮空気の一部が冷却空気として流入可能な冷却通路を有した翼本体と;
前記翼本体の表面に形成され、前記冷却通路にそれぞれ連通してあって、入口側に冷却空気を取入れ可能な取入れ開口部をそれぞれ有し、出口側に冷却空気を吹出し可能なスカート状に拡がった吹出し開口部をそれぞれ有し、前記吹出し開口部が前記翼本体の滑らかな表面と同一面上に位置してあって、前記吹出し開口部側が前記翼本体の厚さ方向に対してテーパ状に拡がるように構成され、前記吹出し開口部から吹出された冷却空気が前記翼本体の表面を沿って流れるように前記翼本体の厚さ方向に対してそれぞれ傾斜した複数の冷却孔と;
各冷却孔の出口側の底面にそれぞれ形成され、前記吹出し開口部に対向する側からみたときに一部分が前記冷却孔の奥側に入り込むように構成されると共に、前記吹出し開口部を開口中心から2つの分割開口部に仕切るように構成され、先端面が前記翼本体の滑らかな表面と同一面上に位置した隔壁と;
を具備してなることを特徴とする。
3 翼本体
11 冷却通路
13 冷却孔
15 取入れ開口部
17 吹出し開口部
19 隔壁
Claims (4)
- ガスタービンエンジンにおけるタービンの部品の一つであって、フィルム冷却可能な冷却タービン部品において、
部品本体と;
前記部品本体の表面に形成され、入口側に前記ガスタービンエンジンにおける圧縮機又はファンから抽気された圧縮空気の一部を冷却空気として取入れ可能な取入れ開口部をそれぞれ有し、出口側に冷却空気を吹出し可能なスカート状に拡がった吹出し開口部をそれぞれ有し、前記吹出し開口部が前記部品本体の滑らかな表面と同一面上に位置してあって、前記吹出し開口部側が前記部品本体の厚さ方向に対してテーパ状に拡がるように構成され、前記吹出し開口部から吹出された冷却空気が前記部品本体の表面を沿って流れるように前記部品本体の厚さ方向に対してそれぞれ傾斜した複数の冷却孔と;
各冷却孔の出口側の底面にそれぞれ形成され、前記吹出し開口部に対向する側からみたときに一部分が前記冷却孔の奥側に入り込むように構成されると共に、前記吹出し開口部を開口中心から2つの分割開口部に仕切るように構成され、先端面が前記部品本体の滑らかな表面と同一面上に位置した隔壁と;
を具備してなることを特徴とする冷却タービン部品。 - 各隔壁は、前記吹出し開口部の拡がり方向に対して直交する方向にそれぞれ延びていることを特徴とする請求項1に記載の冷却タービン部品。
- ガスタービンエンジンにおけるタービンの部品の一つであって、フィルム冷却可能な冷却タービン翼において、
内部に前記ガスタービンエンジンにおける圧縮機又はファンから抽気された圧縮空気の一部が冷却空気として流入可能な冷却通路を有した翼本体と;
前記翼本体の表面に形成され、前記冷却通路にそれぞれ連通してあって、入口側に冷却空気を取入れ可能な取入れ開口部をそれぞれ有し、出口側に冷却空気を吹出し可能なスカート状に拡がった吹出し開口部をそれぞれ有し、前記吹出し開口部が前記翼本体の滑らかな表面と同一面上に位置してあって、前記吹出し開口部側が前記翼本体の厚さ方向に対してテーパ状に拡がるように構成され、前記吹出し開口部から吹出された冷却空気が前記翼本体の表面を沿って流れるように前記翼本体の厚さ方向に対してそれぞれ傾斜した複数の冷却孔と;
各冷却孔の出口側の底面にそれぞれ形成され、前記吹出し開口部に対向する側からみたときに一部分が前記冷却孔の奥側に入り込むように構成されると共に、前記吹出し開口部を開口中心から2つの分割開口部に仕切るように構成され、先端面が前記翼本体の滑らかな表面と同一面上に位置した隔壁と;
を具備してなることを特徴とする冷却タービン翼。 - 各隔壁は、前記吹出し開口部の拡がり方向に対して直交する方向にそれぞれ延びていることを特徴とする請求項3に記載の冷却タービン翼。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003423406A JP3997986B2 (ja) | 2003-12-19 | 2003-12-19 | 冷却タービン部品、及び冷却タービン翼 |
GB0407153A GB2409243B (en) | 2003-12-19 | 2004-03-30 | Cooled turbine component and cooled turbine blade |
US10/813,397 US6979176B2 (en) | 2003-12-19 | 2004-03-31 | Cooled turbine component and cooled turbine blade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003423406A JP3997986B2 (ja) | 2003-12-19 | 2003-12-19 | 冷却タービン部品、及び冷却タービン翼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005180339A JP2005180339A (ja) | 2005-07-07 |
JP3997986B2 true JP3997986B2 (ja) | 2007-10-24 |
Family
ID=32291256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003423406A Expired - Lifetime JP3997986B2 (ja) | 2003-12-19 | 2003-12-19 | 冷却タービン部品、及び冷却タービン翼 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6979176B2 (ja) |
JP (1) | JP3997986B2 (ja) |
GB (1) | GB2409243B (ja) |
Cited By (2)
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WO2013089255A1 (ja) | 2011-12-15 | 2013-06-20 | 株式会社Ihi | タービン翼 |
WO2013089251A1 (ja) | 2011-12-15 | 2013-06-20 | 株式会社Ihi | タービン翼 |
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US4197443A (en) * | 1977-09-19 | 1980-04-08 | General Electric Company | Method and apparatus for forming diffused cooling holes in an airfoil |
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US4664597A (en) * | 1985-12-23 | 1987-05-12 | United Technologies Corporation | Coolant passages with full coverage film cooling slot |
US4672727A (en) * | 1985-12-23 | 1987-06-16 | United Technologies Corporation | Method of fabricating film cooling slot in a hollow airfoil |
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US5660525A (en) * | 1992-10-29 | 1997-08-26 | General Electric Company | Film cooled slotted wall |
JP2002221005A (ja) | 2001-01-26 | 2002-08-09 | Ishikawajima Harima Heavy Ind Co Ltd | 冷却タービン翼 |
-
2003
- 2003-12-19 JP JP2003423406A patent/JP3997986B2/ja not_active Expired - Lifetime
-
2004
- 2004-03-30 GB GB0407153A patent/GB2409243B/en not_active Expired - Lifetime
- 2004-03-31 US US10/813,397 patent/US6979176B2/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013089255A1 (ja) | 2011-12-15 | 2013-06-20 | 株式会社Ihi | タービン翼 |
WO2013089251A1 (ja) | 2011-12-15 | 2013-06-20 | 株式会社Ihi | タービン翼 |
US9759069B2 (en) | 2011-12-15 | 2017-09-12 | Ihi Corporation | Turbine blade |
US10060265B2 (en) | 2011-12-15 | 2018-08-28 | Ihi Corporation | Turbine blade |
Also Published As
Publication number | Publication date |
---|---|
GB2409243A (en) | 2005-06-22 |
JP2005180339A (ja) | 2005-07-07 |
US20050135931A1 (en) | 2005-06-23 |
US6979176B2 (en) | 2005-12-27 |
GB0407153D0 (en) | 2004-05-05 |
GB2409243B (en) | 2006-11-01 |
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