JP5795716B2 - ガスタービンエンジン蒸気噴射マニホルド - Google Patents
ガスタービンエンジン蒸気噴射マニホルド Download PDFInfo
- Publication number
- JP5795716B2 JP5795716B2 JP2011011519A JP2011011519A JP5795716B2 JP 5795716 B2 JP5795716 B2 JP 5795716B2 JP 2011011519 A JP2011011519 A JP 2011011519A JP 2011011519 A JP2011011519 A JP 2011011519A JP 5795716 B2 JP5795716 B2 JP 5795716B2
- Authority
- JP
- Japan
- Prior art keywords
- steam injection
- steam
- annular
- diffuser
- manifold
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/30—Adding water, steam or other fluids for influencing combustion, e.g. to obtain cleaner exhaust gases
- F02C3/305—Increasing the power, speed, torque or efficiency of a gas turbine or the thrust of a turbojet engine by injecting or adding water, steam or other fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/002—Supplying water
- F23L7/005—Evaporated water; Steam
-
- 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
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/16—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration with devices inside the flame tube or the combustion chamber to influence the air or gas flow
-
- 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
- F23R3/50—Combustion chambers comprising an annular flame tube within an annular casing
-
- 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
- F05D2240/35—Combustors or associated equipment
-
- 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
- F05D2250/30—Arrangement of components
- F05D2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05D2250/312—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being parallel to each other
-
- 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
- F05D2250/70—Shape
- F05D2250/71—Shape curved
- F05D2250/711—Shape curved convex
-
- 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
- F05D2250/70—Shape
- F05D2250/72—Shape symmetric
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/08—Purpose of the control system to produce clean exhaust gases
- F05D2270/082—Purpose of the control system to produce clean exhaust gases with as little NOx as possible
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
12 中空ストラット
20 ガスタービンエンジン蒸気噴射システム
24 環状外側蒸気供給ヘッダ
48 ディフューザ
50 環状キャビティケーシング
52 蒸気キャビティ
53 半径方向外側バンド
54 半径方向内側バンド
63 後方キャビティ壁
64 ディフューザ出口
68 流体通路
75 開口
76 ガスタービンエンジン蒸気噴射装置
78 蒸気噴射孔
79 垂線
80 環状蒸気噴射マニホルド
81 後方マニホルド壁
84 環状半径方向外側バッフル壁
87 後方表面
121 ストリームライン
Claims (8)
- ガスタービンエンジン蒸気噴射装置(76)において、
ディフューザ出口(64)の軸方向後方及び半径方向内方に位置付けられる後方マニホルド壁(81)によって後方に境界付けられた、ガスタービンエンジン燃焼器の上流に位置する環状蒸気噴射マニホルド(80)と、
前記後方マニホルド壁(81)を貫通し且つ円周方向周りに配置され、前記ディフューザ出口(64)の軸方向後方且つ半径方向内側に位置する蒸気噴射孔(78)と、
を備え、
前記蒸気噴射孔(78)が前記後方マニホルド壁(81)の周りに円周方向に均等に分配され且つ不均一なサイズにされる、
蒸気噴射装置(76)。 - 前記環状蒸気噴射マニホルド(80)が中心線(11)を囲み、前記蒸気噴射孔(78)が、軸方向後方又は下流側に面し、前記蒸気噴射孔(78)の後方表面(87)に垂直で且つ前記中心線(11)にほぼ平行な垂線(79)を含む、
請求項1に記載の蒸気噴射装置(76)。 - 前記蒸気噴射孔(78)が不均一な出口面(A)を有する、
請求項1又は2に記載の蒸気噴射装置(76)。 - 前記環状蒸気噴射マニホルド(80)が中心線(11)を囲み、前記蒸気噴射孔(78)が、円形であり且つ軸方向後方又は下流側に面した不均一な直径(D)を有し、前記蒸気噴射孔(78)の出口面(A)に垂直で且つ前記中心線(11)にほぼ平行な垂線(79)を含む、
請求項3に記載の蒸気噴射装置(76)。 - 前記環状蒸気噴射マニホルド(80)を半径方向外方に境界付け、且つ後方又は下流方向(89)に縮小する環状半径方向外側バッフル壁(84)を有する環状バッフル(83)を更に備え、前記外側バッフル壁(84)が、湾曲凸状面(S)を有する、
請求項1乃至4のいずれか1項に記載の蒸気噴射装置(76)。 - 前記湾曲凸状面(S)が、ディフューザ(48)の前記ディフューザ出口(64)から生じるストリームライン(121)にほぼ一致する、
請求項5に記載の蒸気噴射装置(76)。 - ガスタービンエンジン蒸気噴射システム(20)であって、
半径方向外側及び内側バンド(53、54)並びにこれらの間に延びる中空ストラット(12)を含むディフューザ(48)と、
前記ストラット(12)の少なくとも1つの流体通路(68)と蒸気供給連通して前記ディフューザ(48)の半径方向外方に離間して配置された環状外側蒸気供給ヘッダ(24)と、
前記内側バンド(54)の半径方向内方に位置付けられた環状キャビティケーシング(50)内で蒸気キャビティ(52)に開放された、前記流体通路(68)の通路出口(74)と、
前記ディフューザ(48)のディフューザ出口(64)の軸方向後方及び半径方向内方に位置付けられた後方マニホルド壁(81)によって後方に境界付けられる環状蒸気噴射マニホルド(80)を含む蒸気噴射装置(76)と、
前記蒸気キャビティ(52)と前記蒸気噴射装置(76)との間の後方キャビティ壁(63)内の開口(75)と、
前記後方マニホルド壁(81)を貫通し且つその円周方向周りに配置される蒸気噴射孔(78)と、
を備える、
蒸気噴射システム(20)。 - 前記環状外側蒸気供給ヘッダ(24)が前記ストラット(12)の一部だけにおいて流体通路(68)と蒸気供給連通しており、前記ストラット(12)の一部が、前記ディフューザ(48)の周りに円周方向に不均一に分配され、前記蒸気噴射孔(78)が前記後方マニホルド壁(81)の周りに円周方向に均等に分配され且つ不均一なサイズにされる、
請求項7に記載の蒸気噴射システム(20)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/696,241 US8387358B2 (en) | 2010-01-29 | 2010-01-29 | Gas turbine engine steam injection manifold |
US12/696,241 | 2010-01-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011157963A JP2011157963A (ja) | 2011-08-18 |
JP2011157963A5 JP2011157963A5 (ja) | 2014-03-06 |
JP5795716B2 true JP5795716B2 (ja) | 2015-10-14 |
Family
ID=43629559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011011519A Expired - Fee Related JP5795716B2 (ja) | 2010-01-29 | 2011-01-24 | ガスタービンエンジン蒸気噴射マニホルド |
Country Status (3)
Country | Link |
---|---|
US (1) | US8387358B2 (ja) |
EP (1) | EP2354491A3 (ja) |
JP (1) | JP5795716B2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US20140013754A1 (en) * | 2011-03-31 | 2014-01-16 | Ilya Aleksandrovich Slobodyanskiy | Power augmentation system with dynamics damping |
GB201115043D0 (en) * | 2011-09-01 | 2011-10-19 | Rolls Royce Plc | Steam injected gas turbine engine |
US8893382B2 (en) * | 2011-09-30 | 2014-11-25 | General Electric Company | Combustion system and method of assembling the same |
EP2900940A4 (en) * | 2012-09-28 | 2016-07-20 | United Technologies Corp | CARTER ASSEMBLY FOR A GAS TURBINE ENGINE |
US9297315B2 (en) * | 2012-09-28 | 2016-03-29 | General Electric Company | Systems and methods for determining a target exhaust temperature for a gas turbine |
US10815891B2 (en) * | 2012-09-28 | 2020-10-27 | Raytheon Technologies Corporation | Inner diffuser case struts for a combustor of a gas turbine engine |
US9958161B2 (en) | 2013-03-12 | 2018-05-01 | Pratt & Whitney Canada Corp. | Combustor for gas turbine engine |
US9228747B2 (en) | 2013-03-12 | 2016-01-05 | Pratt & Whitney Canada Corp. | Combustor for gas turbine engine |
US9366187B2 (en) | 2013-03-12 | 2016-06-14 | Pratt & Whitney Canada Corp. | Slinger combustor |
US9541292B2 (en) * | 2013-03-12 | 2017-01-10 | Pratt & Whitney Canada Corp. | Combustor for gas turbine engine |
US9127843B2 (en) | 2013-03-12 | 2015-09-08 | Pratt & Whitney Canada Corp. | Combustor for gas turbine engine |
US9279369B2 (en) | 2013-03-13 | 2016-03-08 | General Electric Company | Turbomachine with transition piece having dilution holes and fuel injection system coupled to transition piece |
WO2015031823A1 (en) | 2013-08-30 | 2015-03-05 | United Technologies Corporation | Fuel manifold for a gas turbine engine |
US9995314B2 (en) * | 2015-07-20 | 2018-06-12 | General Electric Company | Cooling system for a turbine engine |
US10190595B2 (en) | 2015-09-15 | 2019-01-29 | General Electric Company | Gas turbine engine blade platform modification |
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-
2010
- 2010-01-29 US US12/696,241 patent/US8387358B2/en active Active
-
2011
- 2011-01-18 EP EP11151212.5A patent/EP2354491A3/en not_active Withdrawn
- 2011-01-24 JP JP2011011519A patent/JP5795716B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2011157963A (ja) | 2011-08-18 |
EP2354491A3 (en) | 2018-03-07 |
US20110185699A1 (en) | 2011-08-04 |
US8387358B2 (en) | 2013-03-05 |
EP2354491A2 (en) | 2011-08-10 |
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