EP1158247A2 - Dispositif pour la réduction des vibrations accoustiques dans une chambre de combustion - Google Patents
Dispositif pour la réduction des vibrations accoustiques dans une chambre de combustion Download PDFInfo
- Publication number
- EP1158247A2 EP1158247A2 EP01110618A EP01110618A EP1158247A2 EP 1158247 A2 EP1158247 A2 EP 1158247A2 EP 01110618 A EP01110618 A EP 01110618A EP 01110618 A EP01110618 A EP 01110618A EP 1158247 A2 EP1158247 A2 EP 1158247A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow body
- volume
- helmholtz resonator
- combustion chamber
- feed line
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 35
- 238000013016 damping Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 abstract description 4
- 238000013022 venting Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 31
- 238000010276 construction Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical group [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
- F01N1/023—Helmholtz resonators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/12—Chambers having variable volumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2210/00—Noise abatement
-
- 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
Definitions
- the present invention relates to a device for damping acoustic vibrations in one Combustion chamber and a combustion chamber arrangement, in particular a gas or steam turbine holding the device includes.
- the main field of application of the present invention lies in the field of industrial gas turbines.
- the increasing awareness of environmental protection and Environmental compatibility requires compliance if possible lower pollutant emissions.
- thermoacoustic vibrations affect not only the combustion quality negative, but can also affect the life of highly stressed components reduce drastically.
- a Helmholtz resonator behaves acoustically like an infinitely large opening, ie it prevents the formation of a standing wave at this frequency.
- thermoacoustic Vibrations with the help of a Helmholtz resonator also for damping the vibrations in combustion chambers of Gas or steam turbines already in use.
- the problem occurs in gas or steam turbines on that the frequency to be attenuated is not through an intermittent combustion is determined, but by meeting the Rayleigh criterion in the Combustion chamber and the acoustic response of the surrounding Systems from inflow, burner, combustion chamber and acoustic Completion condition.
- the frequency to be damped can therefore be these systems with those currently available computational tools not with the required Determine accuracy in advance.
- this is the Prerequisite for the exact dimensioning of the resonance volume take into account when building the gas turbine can.
- the acoustic behavior of the system and thus the frequencies of the attenuated Vibrations when the operating point changes change decisively, so that under certain circumstances additional Resonators tuned to other frequencies are used.
- Such an arrangement with several Helmholtz resonators is for example from DE 33 24 805 A1 known.
- the publication describes a facility to avoid pressure fluctuations in combustion chambers, where several Helmholtz resonators with different Resonance volume along the gas pipeline path to Burners are arranged. Because of the different Resonance volumes can be vibrated with this system attenuate different frequencies.
- the optimal one Dimensioning of the individual Helmholtz resonators again requires that Knowledge of those that occur during the operation of the system Frequencies that are not yet in the construction of the system can be specified exactly.
- the arrangement several Helmholtz resonators because of that required additional space requirements unfavorable.
- DE 196 40 980 A1 describes another known one Device for damping thermoacoustic Vibrations in a combustion chamber.
- this device is the side wall of the resonance volume of the Helmholtz resonator designed as a mechanical spring. On the wall vibrating due to the spring effect the end face of the resonance volume is an additional one mechanical mass attached. With this arrangement the virtual volume of the Helmholtz resonator is influenced and achieved greater damper performance. By changing the mechanical mass on the resonator can subsequently fine-tune the resonance frequency be performed. However, this also requires a subsequent intervention in the structure of the Gas turbine plant.
- the present invention is based on the object a device for damping thermoacoustic Vibrations as well as a combustion chamber arrangement specify this device which is a continuous Adaptation to the frequencies of the vibrations to be damped even under high pressure conditions, like them for example in gas turbines.
- the device consists of a Helmholtz resonator together with a connecting channel that with the combustion chamber, for example the combustion chamber one Gas turbine, is connected.
- Dampers are in the present Device by feeding or draining a Fluids changeable in volume via a feed line Hollow body provided either inside the Helmholtz resonator is arranged or so on this borders that the resonance volume of the Helmholtz resonator with a change in the volume of the hollow body changed.
- Hollow body in the Helmholtz resonator is thus reduced in size the resonance volume when the hollow body over the Lead inflated, for example, with a gas becomes.
- the resonance volume increases of the Helmholtz resonator when out of the hollow body a certain amount of the gas is released.
- the Changing the resonance volume causes in known Way a change in resonance frequency.
- the resonance frequency of the Helmholtz resonators at any time by simply inflating them or draining the hollow body to the in the chamber volume occurring thermoacoustic oscillation frequencies be adjusted.
- a precise knowledge of the operation frequencies occurring when building the corresponding System is therefore no longer required.
- the Vibrations can be customized across a wide range adjustable frequencies can be damped. In practical terms Use can be done by changing the Resonance volume at all times during operation the system is possible, the resonance frequency of the built-in resonators suitable for the respective operating point to adjust.
- a particular advantage results from the fact that the resonance volume of the Helmholtz resonator, which in usually within the pressure casing of the gas turbine is arranged, can be changed without this moving parts through the wall of the pressure vessel must be passed through.
- the supply line to Hollow body can be designed as a rigid tube and therefore easily with high tightness through the pressure housing be led through to the outside.
- the Helmholtz resonator has a position-changeable device Wall on which the hollow body adjoins.
- the position-changeable wall is over a Spring mechanism pressed against the hollow body.
- the position-changeable wall against the spring force pressed inwards and in this way reduces that Resonance volume of the Helmholtz resonator.
- the resonance volume by shifting the Wall due to the acting in the direction of the hollow body Spring force.
- the Helmholtz resonator can do this be in the form of a bellows like this known from DE 196 40 980 A1 is.
- DE 196 40 980 A1 is.
- the volume-changeable hollow body is preferred as an inflatable temperature-resistant balloon or designed as an inflatable metallic bellows.
- the supply line to the hollow body can be flexible or rigid be carried out.
- the gas supply to the hollow body or the gas release from the Hollow body made automatically by a controller, provided outside of the pressure housing on the supply line is.
- This control changes the resonance volume of the Helmholtz resonator as a function of that in the Combustion chamber frequency of the thermoacoustic Vibrations with the highest amplitude, in which he Blows or releases gas into the hollow body.
- the respective vibration amplitudes and vibration frequencies with an appropriate sensor, as known to those skilled in the art.
- the controller controls the resonance volume or the volume of the hollow body by feeding or draining of compressor air that it exits from the compressor Receives gas turbine. This way you can at any time during optimal vibration damping during operation of the gas turbine can be achieved because the controller's resonance volume at any time exactly to the respective occurring Can adjust frequencies.
- Figure 1 shows the basic structure of a Helmholtz resonator 4 with the resonance volume 3 and one Connection channel 2, as it is from the prior art is known. Details on this were given in the introduction to the description already set out.
- FIG. 2 A first embodiment for an inventive Device on a combustion chamber 1 a Gas turbine is shown in Figure 2.
- the tunable Helmholtz resonator 4 can be seen, the via a connecting channel 2 with the combustion chamber 1st connected is.
- a hollow body 6 Inside the Helmholtz resonator 4 a hollow body 6 is arranged, the volume of which by feeding or draining gas via a feed line 5 changeable is.
- the hollow body 6 is in this example from a metallic bellows that is exposed to air 10 inflated from the compressor outlet of the gas turbine or is released by venting this air.
- the so-called resonance volume 3 enlarged from a central position or reduced, as indicated by the arrow in the figure is.
- the control of inflation or deflation the bellows 6 takes place via a corresponding Regulator 7, the volume depending on each damping thermoacoustic oscillation frequencies sets.
- the configuration of the hollow body 6 as a metallic bellows is particularly suitable for use suitable under high temperatures.
- the supply line 5 to the bellows 6 takes place through the Pressure housing 8 of the gas turbine.
- This implementation can be sealed well by the pressure housing 8, since it contains no moving parts. With the present device, it is therefore possible to adjust the resonance volume 3 of the Helmholtz resonator 4, the inside of the pressure housing 8 is mounted from the outside to change the pressure housing without the risk of To increase leakage of the pressure housing 8.
- the resonance volume 3 is tuned via the automatic controller 7, which, as already mentioned, depending on the frequency of the highest vibration amplitude in the combustion chamber the bellows 6 enlarged or downsized. Since the location of this amplitude on the Frequency axis when operating the burner only within of a relatively narrow band is not special fast regulation required to get an optimal To achieve adjustment.
- Figure 3 finally shows another example for a possible embodiment of the invention Contraption.
- the hollow body is 6 not arranged within the Helmholtz resonator 4, but borders on a position-changeable wall 11 of this resonator 4.
- the principle of operation is that The same as already explained in connection with Figure 2.
- the Helmholtz resonator 4 as well as the hollow body 6 - at least partially - designed as a bellows, one End face of the Helmholtz resonator 4 to an end face of the hollow body 6 adjoins.
- the opposite End face of the hollow body 6 is on a corresponding Anchor 9 fixed in the pressure housing 8.
- the resonance volume 3 is reduced.
- Spring mechanism the position-changeable wall 11 of the Helmholtz resonator 4 against the hollow body 6 presses.
- This spring mechanism can, for example through an elastic design of the wall material of the bellows can be reached. Alternatively, you can do this a spring inside the Helmholtz resonator 4 be provided.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10026121A DE10026121A1 (de) | 2000-05-26 | 2000-05-26 | Vorrichtung zur Dämpfung akustischer Schwingungen in einer Brennkammer |
DE10026121 | 2000-05-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1158247A2 true EP1158247A2 (fr) | 2001-11-28 |
EP1158247A3 EP1158247A3 (fr) | 2002-01-02 |
EP1158247B1 EP1158247B1 (fr) | 2006-04-19 |
Family
ID=7643661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01110618A Expired - Lifetime EP1158247B1 (fr) | 2000-05-26 | 2001-04-30 | Dispositif pour la réduction des vibrations accoustiques dans une chambre de combustion |
Country Status (4)
Country | Link |
---|---|
US (1) | US6634457B2 (fr) |
EP (1) | EP1158247B1 (fr) |
JP (1) | JP4880825B2 (fr) |
DE (2) | DE10026121A1 (fr) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1342953A1 (fr) * | 2002-03-07 | 2003-09-10 | Siemens Aktiengesellschaft | Turbine à gaz |
US7331182B2 (en) | 2002-01-16 | 2008-02-19 | Alstom Technology Ltd | Combustion chamber for a gas turbine |
EP1962018A1 (fr) * | 2002-12-23 | 2008-08-27 | Rolls-Royce plc | Chambre de combustion pour un moteur de turbine à gaz |
EP1990579A1 (fr) * | 2007-05-10 | 2008-11-12 | Siemens Aktiengesellschaft | Dispositif et procédé destinés à la mesure d'oscillations pour un écoulement fluidique tout comme installation de turbine à gaz dotée d'un tel dispositif |
DE202011004521U1 (de) | 2011-03-29 | 2011-06-09 | Alstom Technology Ltd. | Gasturbine und Ansaugkrümmer |
EP2397760A1 (fr) | 2010-06-16 | 2011-12-21 | Alstom Technology Ltd | Agencement d'amortisseur et procédé pour le concevoir |
EP2397761A1 (fr) | 2010-06-16 | 2011-12-21 | Alstom Technology Ltd | Amortisseur de Helmholtz et procédé de régulation de la fréquence à résonance d'un amortisseur de Helmholtz |
EP2400142A1 (fr) * | 2010-06-23 | 2011-12-28 | MAHLE Filter Systems Japan Corporation | Appareil de génération de son d'admission pour moteur à combustion interne |
ITMI20110902A1 (it) * | 2011-05-20 | 2012-11-21 | Consorzio Intellimech | Dispositivo per l'attenuazione delle onde di pressione |
EP2837783A1 (fr) * | 2013-08-14 | 2015-02-18 | Alstom Technology Ltd | Dispositif d'amortissement d'oscillation de combustion dans une turbine à gaz |
CN105202576A (zh) * | 2014-06-30 | 2015-12-30 | 阿尔斯通技术有限公司 | 用于燃气涡轮的阻尼器 |
WO2016071112A1 (fr) * | 2014-11-06 | 2016-05-12 | Man Diesel & Turbo Se | Dispositif de post-traitement des gaz d'échappement et procédé de post-traitement des gaz d'échappement |
CN104235987B (zh) * | 2014-09-30 | 2017-02-15 | 长城汽车股份有限公司 | 空调系统及具有其的车辆 |
EP3153777A1 (fr) * | 2015-10-05 | 2017-04-12 | General Electric Technology GmbH | Ensemble amortisseur pour une chambre de combustion |
CN108757101A (zh) * | 2018-05-15 | 2018-11-06 | 浙江吉利控股集团有限公司 | 一种用于车辆进排气系统的共振消声器 |
RU214084U1 (ru) * | 2022-04-03 | 2022-10-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В.Ломоносова" (МГУ) | Устройство для подавления шума |
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CN116293795A (zh) * | 2021-12-06 | 2023-06-23 | 通用电气阿维奥有限责任公司 | 用于燃气涡轮燃烧器应用的圆顶集成声学阻尼器 |
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US7331182B2 (en) | 2002-01-16 | 2008-02-19 | Alstom Technology Ltd | Combustion chamber for a gas turbine |
EP1342953A1 (fr) * | 2002-03-07 | 2003-09-10 | Siemens Aktiengesellschaft | Turbine à gaz |
WO2003074936A1 (fr) * | 2002-03-07 | 2003-09-12 | Siemens Aktiengesellschaft | Turbine a gaz |
CN1320314C (zh) * | 2002-03-07 | 2007-06-06 | 西门子公司 | 燃气轮机 |
US7246493B2 (en) | 2002-03-07 | 2007-07-24 | Siemens Aktiengesellschaft | Gas turbine |
EP1962018A1 (fr) * | 2002-12-23 | 2008-08-27 | Rolls-Royce plc | Chambre de combustion pour un moteur de turbine à gaz |
EP1990579A1 (fr) * | 2007-05-10 | 2008-11-12 | Siemens Aktiengesellschaft | Dispositif et procédé destinés à la mesure d'oscillations pour un écoulement fluidique tout comme installation de turbine à gaz dotée d'un tel dispositif |
WO2008138828A1 (fr) * | 2007-05-10 | 2008-11-20 | Siemens Aktiengesellschaft | Dispositif et procédé de mesure de vibrations acoustiques dans un écoulement fluidique et turbine à gaz équipée d'un dispositif de ce type |
EP2397760A1 (fr) | 2010-06-16 | 2011-12-21 | Alstom Technology Ltd | Agencement d'amortisseur et procédé pour le concevoir |
EP2397761A1 (fr) | 2010-06-16 | 2011-12-21 | Alstom Technology Ltd | Amortisseur de Helmholtz et procédé de régulation de la fréquence à résonance d'un amortisseur de Helmholtz |
US8931589B2 (en) | 2010-06-16 | 2015-01-13 | Alstom Technology Ltd. | Damper arrangement and method for designing same |
US8727070B2 (en) | 2010-06-16 | 2014-05-20 | Alstom Technology Ltd | Helmholtz damper and method for regulating the resonance frequency of a Helmholtz damper |
EP2400142A1 (fr) * | 2010-06-23 | 2011-12-28 | MAHLE Filter Systems Japan Corporation | Appareil de génération de son d'admission pour moteur à combustion interne |
US8322486B2 (en) | 2010-06-23 | 2012-12-04 | Mahle Filter Systems Japan Corporation | Intake sound generation apparatus for internal combustion engine |
DE202011004521U1 (de) | 2011-03-29 | 2011-06-09 | Alstom Technology Ltd. | Gasturbine und Ansaugkrümmer |
ITMI20110902A1 (it) * | 2011-05-20 | 2012-11-21 | Consorzio Intellimech | Dispositivo per l'attenuazione delle onde di pressione |
EP2837783A1 (fr) * | 2013-08-14 | 2015-02-18 | Alstom Technology Ltd | Dispositif d'amortissement d'oscillation de combustion dans une turbine à gaz |
EP2837782A1 (fr) * | 2013-08-14 | 2015-02-18 | Alstom Technology Ltd | Dispositif d'amortissement d'oscillation de combustion dans une turbine à gaz |
US9970659B2 (en) | 2013-08-14 | 2018-05-15 | Ansaldo Energia Ip Uk Limited | Damper for combustion oscillation damping in a gas turbine |
CN105202576A (zh) * | 2014-06-30 | 2015-12-30 | 阿尔斯通技术有限公司 | 用于燃气涡轮的阻尼器 |
CN105202576B (zh) * | 2014-06-30 | 2021-04-27 | 安萨尔多能源瑞士股份公司 | 用于燃气涡轮的阻尼器 |
CN104235987B (zh) * | 2014-09-30 | 2017-02-15 | 长城汽车股份有限公司 | 空调系统及具有其的车辆 |
WO2016071112A1 (fr) * | 2014-11-06 | 2016-05-12 | Man Diesel & Turbo Se | Dispositif de post-traitement des gaz d'échappement et procédé de post-traitement des gaz d'échappement |
EP3153777A1 (fr) * | 2015-10-05 | 2017-04-12 | General Electric Technology GmbH | Ensemble amortisseur pour une chambre de combustion |
US10100688B2 (en) | 2015-10-05 | 2018-10-16 | Ansaldo Energia Switzerland AG | Damper assembly for a combustion chamber |
CN108757101A (zh) * | 2018-05-15 | 2018-11-06 | 浙江吉利控股集团有限公司 | 一种用于车辆进排气系统的共振消声器 |
RU214084U1 (ru) * | 2022-04-03 | 2022-10-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В.Ломоносова" (МГУ) | Устройство для подавления шума |
Also Published As
Publication number | Publication date |
---|---|
DE10026121A1 (de) | 2001-11-29 |
US20020000343A1 (en) | 2002-01-03 |
JP4880825B2 (ja) | 2012-02-22 |
EP1158247A3 (fr) | 2002-01-02 |
EP1158247B1 (fr) | 2006-04-19 |
US6634457B2 (en) | 2003-10-21 |
DE50109527D1 (de) | 2006-05-24 |
JP2002129982A (ja) | 2002-05-09 |
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