JP6148504B2 - マイクロミキサ内の燃焼器ダイナミックスを減衰させるためのシステムおよび方法 - Google Patents
マイクロミキサ内の燃焼器ダイナミックスを減衰させるためのシステムおよび方法 Download PDFInfo
- Publication number
- JP6148504B2 JP6148504B2 JP2013054737A JP2013054737A JP6148504B2 JP 6148504 B2 JP6148504 B2 JP 6148504B2 JP 2013054737 A JP2013054737 A JP 2013054737A JP 2013054737 A JP2013054737 A JP 2013054737A JP 6148504 B2 JP6148504 B2 JP 6148504B2
- Authority
- JP
- Japan
- Prior art keywords
- hole pattern
- micromixer
- side hole
- annular
- annular resonator
- 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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Links
- 238000000034 method Methods 0.000 title claims description 6
- 239000000446 fuel Substances 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 15
- 239000012530 fluid Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M20/00—Details of combustion chambers, not otherwise provided for, e.g. means for storing heat from flames
- F23M20/005—Noise absorbing means
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/24—Heat or noise insulation
-
- 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
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
- F05D2260/963—Preventing, counteracting or reducing vibration or noise by Helmholtz resonators
-
- 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
- F23R2900/00014—Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators
-
- 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
-
- 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
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/30—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising fuel prevapourising devices
- F23R3/32—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising fuel prevapourising devices being tubular
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)
- Physical Or Chemical Processes And Apparatus (AREA)
- Rotary Presses (AREA)
Description
15 圧縮機
20 空気
25 燃焼器
30 燃料
35 燃焼ガス
40 タービン
45 シャフト
50 外部負荷
100 マイクロミキサ
102 燃料ライン
104 燃料プレナム
106 空気取入口
108 混合管
109 複数の孔
111 燃焼室
112 中央燃料ノズル
114 エンドキャップ組立体
116 キャップフェイスプレート
118 冷却空気孔
120 衝突プレート
122 環状共振器
124 第1の側部
126 空洞
128 第2の側部
130 第1の側方対向表面
132 低温側孔パターン
134 第2の側方対向表面
136 高温側孔パターン
Claims (10)
- マイクロミキサを備える燃焼器ダイナミックスを減衰させるためのシステムであって、
前記マイクロミキサが、
中央燃料ノズルの周りに配置された複数の混合管と、
前記中央燃料ノズルと前記複数の混合管の周りに配置されたエンドキャップ組立体であって、キャップフェイスプレートと衝突プレートとを有するエンドキャップ組立体と、
前記マイクロミキサ内に配置され、前記キャップフェイスプレートから前記衝突プレートまで延在する少なくとも1つの環状共振器であって、前記中央燃料ノズルを囲む少なくとも1つの環状共振器と
を含み、
前記少なくとも1つの環状共振器が、
低温側孔パターンを形成する複数の孔を有する第1の側部と、
高温側孔パターンを形成する複数の孔を有する第2の側部と、
前記第1の側部および前記第2の側部によって実質的に画定される空洞と
を含む、
システム。 - 前記少なくとも1つの環状共振器が、混合管の共同の環状束間に配置される、請求項1に記載のシステム。
- 前記低温側孔パターンは、前記低温側孔パターン内の前記複数の孔の各々により冷却空気の噴流が第2の側方対向表面に実質的に衝突することが可能となるように、方向付けされる、請求項1又は請求項2に記載のシステム。
- 前記低温側孔パターンを形成する複数の孔が、前記高温側孔パターンを形成する複数の孔より少ない、請求項1乃至請求項3のいずれか1項に記載のシステム。
- 前記低温側孔パターン内の前記各孔のサイズが、前記高温側孔パターン内の各孔のサイズより小さい、請求項1乃至請求項4のいずれか1項に記載のシステム。
- 前記低温側孔パターンが、前記空洞を通るように冷却空気を誘導するように構成されている、請求項1乃至請求項5のいずれか1項に記載のシステム。
- 前記少なくとも1つの環状共振器が、燃焼の動的振動数を約1000Hz以上から減衰させるように構成されている、請求項1乃至請求項6のいずれか1項に記載のシステム。
- 前記マイクロミキサが、前記エンドキャップ組立体の上流に燃料プレナムをさらに含んでおり、前記複数の混合管の各々が、燃料プレナム内の燃料を該混合管に導入するための1つまたは複数の孔を有している、請求項1乃至請求項7のいずれか1項に記載のシステム。
- 前記マイクロミキサが、前記燃料プレナムの上流に空気取入口をさらに含んでおり、該空気取入口を介して空気が前記複数の混合管に導入される、請求項8に記載のシステム。
- 燃焼器ダイナミックスを減衰させるための方法であって、
マイクロミキサ内で少なくとも1つの環状共振器を位置決めするステップであって、
前記マイクロミキサが、
中央燃料ノズルの周りに配置された複数の混合管と、
前記中央燃料ノズルと前記複数の混合管の周りに配置されたエンドキャップ組立体と
を含み、
前記エンドキャップ組立体が、キャップフェイスプレートと衝突プレートとを有し、
前記少なくとも1つの環状共振器が、前記マイクロミキサ内に配置され、前記キャップフェイスプレートから前記衝突プレートまで延在しているとともに、前記中央燃料ノズルを囲み、
前記少なくとも1つの環状共振器が、
低温側孔パターンを形成する複数の孔を有する第1の側部と、
高温側孔パターンを形成する複数の孔を有する第2の側部と、
前記第1の側部および前記第2の側部によって実質的に画定される空洞と
を含む、ステップと、
燃焼の特定の動的振動数を排除するために前記少なくとも1つの環状共振器を調整するステップと
を含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/425,950 US9188342B2 (en) | 2012-03-21 | 2012-03-21 | Systems and methods for dampening combustor dynamics in a micromixer |
US13/425,950 | 2012-03-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013195060A JP2013195060A (ja) | 2013-09-30 |
JP2013195060A5 JP2013195060A5 (ja) | 2016-04-28 |
JP6148504B2 true JP6148504B2 (ja) | 2017-06-14 |
Family
ID=47913022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013054737A Active JP6148504B2 (ja) | 2012-03-21 | 2013-03-18 | マイクロミキサ内の燃焼器ダイナミックスを減衰させるためのシステムおよび方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9188342B2 (ja) |
EP (1) | EP2642208B1 (ja) |
JP (1) | JP6148504B2 (ja) |
CN (1) | CN103322593B (ja) |
RU (1) | RU2661440C2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140123649A1 (en) * | 2012-11-07 | 2014-05-08 | Juan E. Portillo Bilbao | Acoustic damping system for a combustor of a gas turbine engine |
US9709279B2 (en) * | 2014-02-27 | 2017-07-18 | General Electric Company | System and method for control of combustion dynamics in combustion system |
US9581335B2 (en) | 2014-08-07 | 2017-02-28 | General Electric Company | Fuel nozzle tube retention |
US10094568B2 (en) * | 2014-08-28 | 2018-10-09 | General Electric Company | Combustor dynamics mitigation |
DE102015218677A1 (de) | 2015-09-29 | 2017-03-30 | Siemens Aktiengesellschaft | Brenneranordnung mit Resonator |
JP6756897B2 (ja) * | 2016-07-25 | 2020-09-16 | シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft | 共振器リングを備えるガスタービンエンジン |
US10533452B2 (en) * | 2017-07-19 | 2020-01-14 | Garrett Transportation I Inc. | Acoustic damper with barrier member configured to dampen acoustic energy propogating upstream in gas flow |
US10941939B2 (en) * | 2017-09-25 | 2021-03-09 | General Electric Company | Gas turbine assemblies and methods |
Family Cites Families (18)
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US5274991A (en) * | 1992-03-30 | 1994-01-04 | General Electric Company | Dry low NOx multi-nozzle combustion liner cap assembly |
US6351947B1 (en) * | 2000-04-04 | 2002-03-05 | Abb Alstom Power (Schweiz) | Combustion chamber for a gas turbine |
US6530221B1 (en) * | 2000-09-21 | 2003-03-11 | Siemens Westinghouse Power Corporation | Modular resonators for suppressing combustion instabilities in gas turbine power plants |
EP1342953A1 (de) * | 2002-03-07 | 2003-09-10 | Siemens Aktiengesellschaft | Gasturbine |
GB2390150A (en) * | 2002-06-26 | 2003-12-31 | Alstom | Reheat combustion system for a gas turbine including an accoustic screen |
RU2249121C1 (ru) * | 2003-08-05 | 2005-03-27 | Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") | Пульсирующий детонационный двигатель |
JP2005076982A (ja) * | 2003-08-29 | 2005-03-24 | Mitsubishi Heavy Ind Ltd | ガスタービン燃焼器 |
US7334408B2 (en) * | 2004-09-21 | 2008-02-26 | Siemens Aktiengesellschaft | Combustion chamber for a gas turbine with at least two resonator devices |
RU2300004C2 (ru) * | 2005-08-12 | 2007-05-27 | Константин Валентинович Мигалин | Пульсирующий воздушно-реактивный двигатель |
US7413053B2 (en) * | 2006-01-25 | 2008-08-19 | Siemens Power Generation, Inc. | Acoustic resonator with impingement cooling tubes |
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US8789372B2 (en) * | 2009-07-08 | 2014-07-29 | General Electric Company | Injector with integrated resonator |
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-
2012
- 2012-03-21 US US13/425,950 patent/US9188342B2/en active Active
-
2013
- 2013-03-15 EP EP13159329.5A patent/EP2642208B1/en active Active
- 2013-03-18 JP JP2013054737A patent/JP6148504B2/ja active Active
- 2013-03-20 RU RU2013112151A patent/RU2661440C2/ru not_active IP Right Cessation
- 2013-03-21 CN CN201310092303.6A patent/CN103322593B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN103322593A (zh) | 2013-09-25 |
JP2013195060A (ja) | 2013-09-30 |
RU2013112151A (ru) | 2014-09-27 |
CN103322593B (zh) | 2017-04-26 |
US20130247581A1 (en) | 2013-09-26 |
EP2642208A2 (en) | 2013-09-25 |
RU2661440C2 (ru) | 2018-07-16 |
EP2642208A3 (en) | 2017-03-29 |
EP2642208B1 (en) | 2019-06-12 |
US9188342B2 (en) | 2015-11-17 |
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