JP2008513657A - タービンステータ用の保護装置 - Google Patents
タービンステータ用の保護装置 Download PDFInfo
- Publication number
- JP2008513657A JP2008513657A JP2007531665A JP2007531665A JP2008513657A JP 2008513657 A JP2008513657 A JP 2008513657A JP 2007531665 A JP2007531665 A JP 2007531665A JP 2007531665 A JP2007531665 A JP 2007531665A JP 2008513657 A JP2008513657 A JP 2008513657A
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- JP
- Japan
- Prior art keywords
- series
- divided
- protection device
- value
- square root
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
-
- 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
- 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
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
-
- 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
- F05D2260/221—Improvement of heat transfer
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
- F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【選択図】 図2
Description
12 セクタ
14 空洞
15 底面
16 補強リブ
20 シート
21 貫通孔
30 隆起
Claims (13)
- 結合手段によって互いに拘束された一連のセクタ(12)を含み、各セクタ(12)が、底面(15)を有する少なくとも1つの空洞(14)を有し、前記少なくとも1つの空洞(14)と関係して、一連の貫通孔(21)を備えかつ前記少なくとも1つの空洞(14)を覆うのに適した対応するシート(20)が、前記関連するセクタ(12)の外側表面上に固定され、各セクタ(12)が、前記対応するシート(20)の貫通孔(21)から流入し、前記底面(15)上を通過しかつ少なくとも1つの出口孔から排出される空気ストリームによって冷却されるタイプのガスタービンのステータ用の保護装置(10)であって、
各セクタ(12)の前記底面(15)が、熱交換面を増加させかつ該保護装置(10)の冷却効率を増大させるための一連の隆起(30)を含む、
ことを特徴とする保護装置(10)。 - 前記一連の隆起(30)の各隆起が、前記底面(15)の表面積の平方根で除算した時に0.0037〜0.0050の範囲にある値を有する頂部半径(33)を有する頂部を有することを特徴とする、請求項1記載の保護装置(10)。
- 前記頂部半径(33)が、前記底面(15)の表面積の平方根で除算した時に0.0044の値を有することを特徴とする、請求項2記載の保護装置(10)。
- 前記一連の隆起(30)の各隆起が、前記底面(15)の表面積の平方根で除算した時に0.0037〜0.0050の範囲にある値を有する連結半径(34)によって隣接する隆起と連結されることを特徴とする、請求項1から請求項3のいずれか1項記載の保護装置(10)。
- 前記連結半径(34)が、前記底面(15)の表面積の平方根で除算した時に0.0044の値を有することを特徴とする、請求項4記載の保護装置(10)。
- 前記対応する底面(15)に関する前記一連の隆起(30)の各隆起が、前記底面(15)の表面積の平方根で除算した時に0.0074〜0.0100の範囲にある値を有する高さ(31)を有することを特徴とする、請求項1から請求項5のいずれか1項記載の保護装置(10)。
- 前記高さ(31)が、前記底面(15)の表面積の平方根で除算した時に0.0087の値を有することを特徴とする、請求項6記載の保護装置(10)。
- 前記一連の隆起(30)が、平行線(40)に沿って前記対応する底面(15)上に配置されることを特徴とする、請求項1から請求項7のいずれか1項記載の保護装置(10)。
- 前記隆起(30)が、各線(40)に沿って、前記底面(15)の表面積の平方根で除算した時に0.0186〜0.0251の範囲にある値を有する頂部から頂部までと見なされる距離(32)で均一に分散されかつ間隔を置いて配置されることを特徴とする、請求項8記載の保護装置(10)。
- 前記距離(32)が、前記底面(15)の表面積の平方根で除算した時に0.218の値を有することを特徴とする、請求項9記載の保護装置(10)。
- 隣接する線(40)に関する前記隆起(30)が、前記線(40)に対して直角方向で見て、前記底面(15)の表面積の平方根で除算した時に0.0093〜0.0126の範囲にある値を有する距離(35)だけ平行移動されていることを特徴とする、請求項1から請求項10のいずれか1項記載の保護装置(10)。
- 前記距離(35)が、前記底面(15)の表面積の平方根で除算した時に0.109の値を有することを特徴とする、請求項11記載の保護装置(10)。
- 各セクタ(12)が、該セクタ自体と一体形でありかつ前記少なくとも1つの空洞(14)内部に配置された補強リブ(16)を含むことを特徴とする、請求項1から請求項12のいずれか1項記載の保護装置(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001779A ITMI20041779A1 (it) | 2004-09-17 | 2004-09-17 | Dispositivo di protezione di uno statore di una turbina |
ITMI2004A001779 | 2004-09-17 | ||
PCT/EP2005/009886 WO2006029843A1 (en) | 2004-09-17 | 2005-09-13 | Shroud for a gas turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008513657A true JP2008513657A (ja) | 2008-05-01 |
JP4958782B2 JP4958782B2 (ja) | 2012-06-20 |
Family
ID=35482111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007531665A Expired - Fee Related JP4958782B2 (ja) | 2004-09-17 | 2005-09-13 | タービンステータ用の保護装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7972106B2 (ja) |
EP (1) | EP1799968A1 (ja) |
JP (1) | JP4958782B2 (ja) |
KR (1) | KR101289613B1 (ja) |
CN (2) | CN101023244A (ja) |
CA (1) | CA2580466C (ja) |
IT (1) | ITMI20041779A1 (ja) |
WO (1) | WO2006029843A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3028883B1 (fr) | 2014-11-25 | 2019-11-22 | Safran Aircraft Engines | Arbre de rotor de turbomachine comportant une surface d'echange thermique perfectionnee |
EP3048262A1 (en) * | 2015-01-20 | 2016-07-27 | Alstom Technology Ltd | Wall for a hot gas channel in a gas turbine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04203301A (ja) * | 1990-11-29 | 1992-07-23 | Hitachi Ltd | タービン静翼 |
EP0709550A1 (en) * | 1994-10-31 | 1996-05-01 | General Electric Company | Cooled shroud |
WO2001066914A1 (fr) * | 2000-03-07 | 2001-09-13 | Mitsubishi Heavy Industries, Ltd. | Anneau fendu de turbine a gaz |
US6402464B1 (en) * | 2000-08-29 | 2002-06-11 | General Electric Company | Enhanced heat transfer surface for cast-in-bump-covered cooling surfaces and methods of enhancing heat transfer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3990807A (en) * | 1974-12-23 | 1976-11-09 | United Technologies Corporation | Thermal response shroud for rotating body |
US5353865A (en) * | 1992-03-30 | 1994-10-11 | General Electric Company | Enhanced impingement cooled components |
FR2723177B1 (fr) * | 1994-07-27 | 1996-09-06 | Snecma | Chambre de combustion comportant une double paroi |
US6779597B2 (en) * | 2002-01-16 | 2004-08-24 | General Electric Company | Multiple impingement cooled structure |
US7033138B2 (en) * | 2002-09-06 | 2006-04-25 | Mitsubishi Heavy Industries, Ltd. | Ring segment of gas turbine |
US6814538B2 (en) * | 2003-01-22 | 2004-11-09 | General Electric Company | Turbine stage one shroud configuration and method for service enhancement |
-
2004
- 2004-09-17 IT IT001779A patent/ITMI20041779A1/it unknown
-
2005
- 2005-09-13 KR KR1020077008605A patent/KR101289613B1/ko active IP Right Grant
- 2005-09-13 US US11/575,419 patent/US7972106B2/en not_active Expired - Fee Related
- 2005-09-13 CN CNA2005800311442A patent/CN101023244A/zh active Pending
- 2005-09-13 EP EP05790086A patent/EP1799968A1/en not_active Ceased
- 2005-09-13 CA CA2580466A patent/CA2580466C/en not_active Expired - Fee Related
- 2005-09-13 JP JP2007531665A patent/JP4958782B2/ja not_active Expired - Fee Related
- 2005-09-13 WO PCT/EP2005/009886 patent/WO2006029843A1/en active Application Filing
- 2005-09-13 CN CN201010260634.2A patent/CN101906995B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04203301A (ja) * | 1990-11-29 | 1992-07-23 | Hitachi Ltd | タービン静翼 |
EP0709550A1 (en) * | 1994-10-31 | 1996-05-01 | General Electric Company | Cooled shroud |
WO2001066914A1 (fr) * | 2000-03-07 | 2001-09-13 | Mitsubishi Heavy Industries, Ltd. | Anneau fendu de turbine a gaz |
US6402464B1 (en) * | 2000-08-29 | 2002-06-11 | General Electric Company | Enhanced heat transfer surface for cast-in-bump-covered cooling surfaces and methods of enhancing heat transfer |
Also Published As
Publication number | Publication date |
---|---|
JP4958782B2 (ja) | 2012-06-20 |
CN101906995B (zh) | 2014-03-05 |
CA2580466A1 (en) | 2006-03-23 |
KR101289613B1 (ko) | 2013-07-24 |
WO2006029843A8 (en) | 2006-05-18 |
EP1799968A1 (en) | 2007-06-27 |
CN101023244A (zh) | 2007-08-22 |
WO2006029843A1 (en) | 2006-03-23 |
CN101906995A (zh) | 2010-12-08 |
CA2580466C (en) | 2011-05-10 |
US7972106B2 (en) | 2011-07-05 |
KR20070057950A (ko) | 2007-06-07 |
US20090180860A1 (en) | 2009-07-16 |
ITMI20041779A1 (it) | 2004-12-17 |
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