JP2005127705A - ガスタービンエンジン燃焼器 - Google Patents
ガスタービンエンジン燃焼器 Download PDFInfo
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- JP2005127705A JP2005127705A JP2004305071A JP2004305071A JP2005127705A JP 2005127705 A JP2005127705 A JP 2005127705A JP 2004305071 A JP2004305071 A JP 2004305071A JP 2004305071 A JP2004305071 A JP 2004305071A JP 2005127705 A JP2005127705 A JP 2005127705A
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- Prior art keywords
- wall
- gas turbine
- turbine engine
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- panel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/002—Wall structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03042—Film cooled combustion chamber walls or domes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03044—Impingement cooled combustion chamber walls or subassemblies
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Gas Burners (AREA)
Abstract
【解決手段】ガスタービンエンジン燃焼器26は、内側寄りの壁32と外側寄りの壁34との間に延在しかつこれらの壁と協働して燃焼器内側容積(つまり燃焼室30)を区画する前方バルクヘッドを備える。少なくとも一方の上記壁は、外側シェル72と複数のパネルを含んだ内側シェル78とを備える。各パネルは、内側表面102と、外側表面104と、前縁部106と後縁部108と第1側縁部と第2側縁部とを含んだ境界部と、を備える。多くの冷却通路140,146は、上記パネル外側表面上の入口と、上記パネル内側表面上の出口と、を備える。レールが、上記外側表面104から突き出しかつ上記前縁部106の主要部に沿って3〜10mmだけ上記前縁部106から引っ込んでいる。
【選択図】図1A
Description
30…燃焼室
32…内側寄りの壁
34…外側寄りの壁
72…外側シェル
78…内側断熱シールド
102…内側表面
104…外側表面
106…前縁部
108…後縁部
114…レール
140,146…冷却通路
Claims (14)
- 内側寄りの壁と、
外側寄りの壁と、
上記内側寄りの壁と上記外側寄りの壁との間に延在し、かつ、これらの壁と協働して燃焼器内側容積を区画する前方バルクヘッドと、
を備え、かつ、
上記内側寄りの壁と上記外側寄りの壁の少なくとも一方である第1の壁は、
外側シェルと、
複数のパネルを有した内側断熱シールドと、
を備え、かつ、
上記複数のパネルは、
内側表面と、
外側表面と、
前縁部と後縁部と第1側縁部と第2側縁部とを含んだ境界部と、
上記パネル外側表面上の入口と上記パネル内側表面上の出口とを備えた複数の冷却ガス通路と、
上記外側表面から突き出しかつ上記前縁部の主要部に沿って3〜10mmだけ上記前縁部から引っ込んだ、レールと、
を備えることを特徴とするガスタービンエンジン燃焼器。 - 上記レールが上記シェルと接続することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 上記第1の壁が上記外側寄りの壁であることを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 上記第1の壁が上記外側寄りの壁であり、かつ、
上記内側寄りの壁が、
外側シェルと、
複数のパネルを有した内側断熱シールドと、
を備え、かつ、
上記複数のパネルは、
内側表面と、
外側表面と、
前縁部と後縁部と第1側縁部と第2側縁部とを含んだ境界部と、
上記パネル外側表面上の入口と上記パネル内側表面上の出口とを備えた複数の冷却ガス通路と、
上記外側表面から突き出しかつ上記前縁部の主要部に沿って3〜10mmだけ上記前縁部から引っ込んだ、レールと、
を備えることを特徴とする請求項1に記載のガスタービンエンジン燃焼器。 - 上記シェルは、上記前縁部と上記レールとの間の上記パネル外側表面に対して冷却空気を案内するように設けられた複数の孔を有することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 上記孔が、優先的に上記冷却空気を燃料噴射装置と周方向に整列した領域上に案内するように設けられていることを特徴とする請求項5に記載のガスタービンエンジン燃焼器。
- 上記レールが、前縁全体から少なくとも3.5mmだけ引っ込んでいることを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 上記外側表面と上記シェルとの間には高さが1〜3mmの隙間が存在することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 内側寄りの壁と、
外側寄りの壁と、
上記内側寄りの壁と上記外側寄りの壁との間に延在し、かつ、これらの壁と協働して燃焼器内側容積を区画する前方バルクヘッドと、
を備え、かつ、
上記内側寄りの壁と上記外側寄りの壁の少なくとも一方である第1の壁は、
外側シェルと、
複数のパネルを有した内側断熱シールドと、
を備え、かつ、
上記複数のパネルは、
内側表面と、
外側表面と、
前縁部と後縁部と第1側縁部と第2側縁部とを含んだ境界部と、
上記外側表面から上記シェルに向かって突き出した複数のピンと、
を備え、かつ、
上記シェルは、上記シェルと上記断熱シールドとの間の空間に空気を案内し、かつ、タービン室における第1段のベーンの前縁部に向けて優先的に上記空気を案内するように設けられた、複数の孔を有することを特徴とするガスタービンエンジン燃焼器。 - 上記複数の孔は、交互に並んだ第1の孔群と第2の孔群とを含み、かつ、寸法と配置の少なくとも一方について少なくとも部分的な違いがあることを特徴とする請求項9に記載のガスタービンエンジン燃焼器。
- 上記複数のピンが上記シェルと接続することを特徴とする請求項9に記載のガスタービンエンジン燃焼器。
- 上記複数のピンが、連続的で一体的な配列であることを特徴とする請求項9に記載のガスタービンエンジン燃焼器。
- 上記複数のピンが、複数の周方向のピン列を含み、かつ、各列はその隣の列と位相がずれていることを特徴とする請求項9に記載のガスタービンエンジン燃焼器。
- 上記第1の壁が上記外側寄りの壁であることを特徴とする請求項9に記載のガスタービンエンジン燃焼器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/691,790 US7363763B2 (en) | 2003-10-23 | 2003-10-23 | Combustor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005127705A true JP2005127705A (ja) | 2005-05-19 |
JP4087375B2 JP4087375B2 (ja) | 2008-05-21 |
Family
ID=34423319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004305071A Expired - Fee Related JP4087375B2 (ja) | 2003-10-23 | 2004-10-20 | ガスタービンエンジン燃焼器 |
Country Status (3)
Country | Link |
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US (2) | US7363763B2 (ja) |
EP (2) | EP1528322B1 (ja) |
JP (1) | JP4087375B2 (ja) |
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JP2013213492A (ja) * | 2012-04-03 | 2013-10-17 | General Electric Co <Ge> | 移行ノズル燃焼システム |
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JP2010091258A (ja) * | 2008-10-03 | 2010-04-22 | General Electric Co <Ge> | 予混合直接噴射ノズル |
JP2013104595A (ja) * | 2011-11-11 | 2013-05-30 | Ihi Corp | RQL方式の低NOx燃焼器 |
JP2013213492A (ja) * | 2012-04-03 | 2013-10-17 | General Electric Co <Ge> | 移行ノズル燃焼システム |
Also Published As
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US20050086940A1 (en) | 2005-04-28 |
US8015829B2 (en) | 2011-09-13 |
EP1528322A3 (en) | 2005-06-08 |
EP1528322B1 (en) | 2011-05-18 |
US20090293488A1 (en) | 2009-12-03 |
EP1528322A2 (en) | 2005-05-04 |
EP2034244A1 (en) | 2009-03-11 |
JP4087375B2 (ja) | 2008-05-21 |
EP2034244B1 (en) | 2016-04-06 |
US7363763B2 (en) | 2008-04-29 |
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