DE59709276D1 - Vibration damping combustion chamber wall structure - Google Patents
Vibration damping combustion chamber wall structureInfo
- Publication number
- DE59709276D1 DE59709276D1 DE59709276T DE59709276T DE59709276D1 DE 59709276 D1 DE59709276 D1 DE 59709276D1 DE 59709276 T DE59709276 T DE 59709276T DE 59709276 T DE59709276 T DE 59709276T DE 59709276 D1 DE59709276 D1 DE 59709276D1
- Authority
- DE
- Germany
- Prior art keywords
- chamber wall
- combustion chamber
- vibration damping
- wall structure
- dampers
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
-
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Gas Burners (AREA)
Abstract
The burner chamber wall extends from the chamber inlet (12) to the turbine (20) which has in this area Helmholtz dampers formed with a multi-cellular structure and set at least in some areas on the burner chamber wall (18) and/or on the front panel. The multi-cellular structure can be formed by mats and the structure of the dampers can be of different sizes. The number of cells of the structure is preferably between 10000 and 30000. At least one part of the Helmholtz dampers is cooled by a cooling air stream.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97810489A EP0892216B1 (en) | 1997-07-15 | 1997-07-15 | Vibration-damping combustor wall structure |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59709276D1 true DE59709276D1 (en) | 2003-03-13 |
Family
ID=8230302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59709276T Expired - Lifetime DE59709276D1 (en) | 1997-07-15 | 1997-07-15 | Vibration damping combustion chamber wall structure |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0892216B1 (en) |
AT (1) | ATE232287T1 (en) |
DE (1) | DE59709276D1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59809097D1 (en) * | 1998-09-30 | 2003-08-28 | Alstom Switzerland Ltd | Combustion chamber for a gas turbine |
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 |
US6973790B2 (en) | 2000-12-06 | 2005-12-13 | Mitsubishi Heavy Industries, Ltd. | Gas turbine combustor, gas turbine, and jet engine |
JP3676228B2 (en) | 2000-12-06 | 2005-07-27 | 三菱重工業株式会社 | Gas turbine combustor, gas turbine and jet engine |
JP2002195565A (en) * | 2000-12-26 | 2002-07-10 | Mitsubishi Heavy Ind Ltd | Gas turbine |
ES2309029T3 (en) † | 2001-01-09 | 2008-12-16 | Mitsubishi Heavy Industries, Ltd. | GAS TURBINE COMBUSTION CHAMBER. |
JP3962554B2 (en) * | 2001-04-19 | 2007-08-22 | 三菱重工業株式会社 | Gas turbine combustor and gas turbine |
EP1832812A3 (en) * | 2006-03-10 | 2012-01-04 | Rolls-Royce Deutschland Ltd & Co KG | Gas turbine combustion chamber wall with absorption of combustion chamber vibrations |
DE102006053278A1 (en) * | 2006-11-03 | 2008-05-08 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | combustion chamber device |
EP2295864B1 (en) | 2009-08-31 | 2012-11-14 | Alstom Technology Ltd | Combustion device of a gas turbine |
FR2962586B1 (en) * | 2010-07-09 | 2013-05-24 | Airbus Operations Sas | PANEL FOR ACOUSTIC TREATMENT |
EP2837782A1 (en) | 2013-08-14 | 2015-02-18 | Alstom Technology Ltd | Damper for combustion oscillation damping in a gas turbine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199936A (en) * | 1975-12-24 | 1980-04-29 | The Boeing Company | Gas turbine engine combustion noise suppressor |
GB2038410B (en) * | 1978-12-27 | 1982-11-17 | Rolls Royce | Acoustic lining utilising resonance |
DE59208715D1 (en) * | 1992-11-09 | 1997-08-21 | Asea Brown Boveri | Gas turbine combustor |
EP0702141B1 (en) * | 1994-09-14 | 2002-05-08 | Mitsubishi Jukogyo Kabushiki Kaisha | Wall assembly for an exhaust gas nozzle of a supersonic jet engine |
-
1997
- 1997-07-15 EP EP97810489A patent/EP0892216B1/en not_active Expired - Lifetime
- 1997-07-15 DE DE59709276T patent/DE59709276D1/en not_active Expired - Lifetime
- 1997-07-15 AT AT97810489T patent/ATE232287T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0892216B1 (en) | 2003-02-05 |
EP0892216A1 (en) | 1999-01-20 |
ATE232287T1 (en) | 2003-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |