JP2015086877A - ガスタービン用のダンパ - Google Patents
ガスタービン用のダンパ Download PDFInfo
- Publication number
- JP2015086877A JP2015086877A JP2014218867A JP2014218867A JP2015086877A JP 2015086877 A JP2015086877 A JP 2015086877A JP 2014218867 A JP2014218867 A JP 2014218867A JP 2014218867 A JP2014218867 A JP 2014218867A JP 2015086877 A JP2015086877 A JP 2015086877A
- Authority
- JP
- Japan
- Prior art keywords
- neck
- chamber
- damper
- flow
- opening
- 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.)
- Pending
Links
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
- 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
- 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
- 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
- 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
Abstract
【解決手段】共鳴器空洞部11と、共鳴器空洞部11とチャンバ14とに通流可能に連通する頸部12と、を備え、頸部12は、チャンバ14と連通する開口部13を有し、チャンバ14内の空気流は、頸部12の開口部13を越えて流れるようになっている、ガスタービンのチャンバ14内の脈動を低減するダンパにおいて、頸部12は、頸部12の開口部13の長手方向軸線がチャンバ14内の空気流の方向に対して0°〜90°の角度をなしているように構成されているようにした。
【選択図】図2
Description
Claims (7)
- ガスタービンのチャンバ内の脈動を低減するダンパであって、
共鳴器空洞部(11)と、
前記共鳴器空洞部(11)と前記チャンバ(14)とに通流可能に連通する頸部(12)と、
を備え、前記頸部(12)は、前記チャンバ(14)と連通する開口部(13)を有し、前記チャンバ(14)内の空気流は、前記頸部(12)の開口部(13)を越えて流れるようになっている、ガスタービンのチャンバ内の脈動を低減するダンパにおいて、
前記頸部(12)は、該頸部(12)の開口部(13)の長手方向軸線が前記チャンバ(14)内の空気流の方向に対して0°〜90°の角度をなしているように構成されていることを特徴とする、ガスタービンのチャンバ内の脈動を低減するダンパ。 - 前記頸部(12)は、前記チャンバ(14)内に突入し、該チャンバ(14)内の空気流の方向に沿って曲げられており、前記頸部(12)の開口部(13)の長手方向軸線は、前記チャンバ(14)内の空気流の方向に対して0°〜90°をなしている、請求項1記載のダンパ。
- 前記頸部(12)は、前記チャンバ(14)内に突入し、前記頸部(12)の開口部(13)の長手方向軸線が前記チャンバ(14)内の空気流の方向と合致するように曲げられている、請求項2記載のダンパ。
- 前記頸部(12)は、前記チャンバ(14)内に突入し、前記頸部(12)の開口部(13)の長手方向軸線が前記チャンバ(14)内の空気流の方向に対して90°をなしているように曲げられている、請求項2記載のダンパ。
- 前記頸部(12)は、傾斜した通路として形成されており、該傾斜した通路の長手方向軸線は、前記チャンバ(14)内の空気流の方向に対して鋭角をなしている、請求項1記載のダンパ。
- 前記頸部(12)の開口部(13)は、片側で、前記頸部(12)を通る流れ(20)を前記チャンバ(14)内の空気流の方向に対して平行な方向に変向させるシールド(16)により覆われている、請求項1記載のダンパ。
- 単数又は複数の減衰容積を有するヘルムホルツ共鳴器、2分の1波長管、4分の1波長管、マルチボリュームダンパ、ライナ又はあらゆる種類のフロースルー音響ダンパを含む、請求項1から6までいずれか1項記載のダンパ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13190439.3 | 2013-10-28 | ||
EP13190439 | 2013-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2015086877A true JP2015086877A (ja) | 2015-05-07 |
Family
ID=49509960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014218867A Pending JP2015086877A (ja) | 2013-10-28 | 2014-10-28 | ガスタービン用のダンパ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10036327B2 (ja) |
EP (1) | EP2865947B1 (ja) |
JP (1) | JP2015086877A (ja) |
CN (1) | CN104566457B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019107392A1 (ja) * | 2017-11-29 | 2019-06-06 | 三菱日立パワーシステムズ株式会社 | 燃焼器及びガスタービン |
KR20200074254A (ko) | 2016-03-03 | 2020-06-24 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 음향 장치, 가스 터빈 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2816289B1 (en) * | 2013-05-24 | 2020-10-07 | Ansaldo Energia IP UK Limited | Damper for gas turbine |
FR3042541B1 (fr) | 2015-10-20 | 2019-08-09 | Airbus Helicopters | Conduit d'ejection de gaz a traitement acoustique, aeronef et procede de fabrication d'un tel conduit |
US10228138B2 (en) | 2016-12-02 | 2019-03-12 | General Electric Company | System and apparatus for gas turbine combustor inner cap and resonating tubes |
US10220474B2 (en) | 2016-12-02 | 2019-03-05 | General Electricd Company | Method and apparatus for gas turbine combustor inner cap and high frequency acoustic dampers |
US10221769B2 (en) | 2016-12-02 | 2019-03-05 | General Electric Company | System and apparatus for gas turbine combustor inner cap and extended resonating tubes |
EP3410014B1 (en) * | 2017-05-31 | 2021-01-20 | Ansaldo Energia S.p.A. | Tile holder for a combustor of a gas turbine |
US11174792B2 (en) | 2019-05-21 | 2021-11-16 | General Electric Company | System and method for high frequency acoustic dampers with baffles |
US11156164B2 (en) | 2019-05-21 | 2021-10-26 | General Electric Company | System and method for high frequency accoustic dampers with caps |
US11506382B2 (en) | 2019-09-12 | 2022-11-22 | General Electric Company | System and method for acoustic dampers with multiple volumes in a combustion chamber front panel |
US11788724B1 (en) * | 2022-09-02 | 2023-10-17 | General Electric Company | Acoustic damper for combustor |
Citations (2)
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US20100319349A1 (en) * | 2009-06-17 | 2010-12-23 | Rajesh Rajaram | Attenuation of Combustion Dynamics Using a Herschel-Quincke Filter |
US20130074471A1 (en) * | 2011-09-22 | 2013-03-28 | General Electric Company | Turbine combustor and method for temperature control and damping a portion of a combustor |
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EP0576717A1 (de) * | 1992-07-03 | 1994-01-05 | Abb Research Ltd. | Gasturbinen-Brennkammer |
FR2752392B1 (fr) * | 1996-08-14 | 1999-04-23 | Hispano Suiza Sa | Panneau sandwich en nid d'abeille ventile et procede de ventilation d'un tel panneau |
GB2396687A (en) * | 2002-12-23 | 2004-06-30 | Rolls Royce Plc | Helmholtz resonator for combustion chamber use |
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US7413053B2 (en) * | 2006-01-25 | 2008-08-19 | Siemens Power Generation, Inc. | Acoustic resonator with impingement cooling tubes |
GB0610800D0 (en) * | 2006-06-01 | 2006-07-12 | Rolls Royce Plc | Combustion chamber for a gas turbine engine |
GB0907578D0 (en) * | 2009-05-05 | 2009-06-10 | Rolls Royce Plc | A damping assembly |
EP2302302A1 (en) * | 2009-09-23 | 2011-03-30 | Siemens Aktiengesellschaft | Helmholtz resonator for a gas turbine combustion chamber |
US8973365B2 (en) * | 2010-10-29 | 2015-03-10 | Solar Turbines Incorporated | Gas turbine combustor with mounting for Helmholtz resonators |
US9447970B2 (en) * | 2011-05-12 | 2016-09-20 | General Electric Company | Combustor casing for combustion dynamics mitigation |
EP2732215A2 (de) * | 2011-09-01 | 2014-05-21 | Siemens Aktiengesellschaft | Brennkammer für eine gasturbinenanlage |
JP6231114B2 (ja) * | 2012-10-24 | 2017-11-15 | ゼネラル エレクトリック テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツングGeneral Electric Technology GmbH | 希釈ガス混合器を備えた2段燃焼 |
EP2816289B1 (en) * | 2013-05-24 | 2020-10-07 | Ansaldo Energia IP UK Limited | Damper for gas turbine |
EP3051206B1 (en) * | 2015-01-28 | 2019-10-30 | Ansaldo Energia Switzerland AG | Sequential gas turbine combustor arrangement with a mixer and a damper |
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2014
- 2014-10-22 EP EP14189819.7A patent/EP2865947B1/en active Active
- 2014-10-24 US US14/523,040 patent/US10036327B2/en active Active
- 2014-10-28 CN CN201410587744.8A patent/CN104566457B/zh active Active
- 2014-10-28 JP JP2014218867A patent/JP2015086877A/ja active Pending
Patent Citations (2)
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US20100319349A1 (en) * | 2009-06-17 | 2010-12-23 | Rajesh Rajaram | Attenuation of Combustion Dynamics Using a Herschel-Quincke Filter |
US20130074471A1 (en) * | 2011-09-22 | 2013-03-28 | General Electric Company | Turbine combustor and method for temperature control and damping a portion of a combustor |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200074254A (ko) | 2016-03-03 | 2020-06-24 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 음향 장치, 가스 터빈 |
KR20210080625A (ko) | 2016-03-03 | 2021-06-30 | 미츠비시 파워 가부시키가이샤 | 음향 장치, 가스 터빈 |
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WO2019107392A1 (ja) * | 2017-11-29 | 2019-06-06 | 三菱日立パワーシステムズ株式会社 | 燃焼器及びガスタービン |
Also Published As
Publication number | Publication date |
---|---|
EP2865947A1 (en) | 2015-04-29 |
US20150113992A1 (en) | 2015-04-30 |
US10036327B2 (en) | 2018-07-31 |
CN104566457B (zh) | 2019-02-26 |
EP2865947B1 (en) | 2017-08-23 |
CN104566457A (zh) | 2015-04-29 |
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