JP5550563B2 - 圧縮機を動作させる方法 - Google Patents
圧縮機を動作させる方法 Download PDFInfo
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- JP5550563B2 JP5550563B2 JP2010540702A JP2010540702A JP5550563B2 JP 5550563 B2 JP5550563 B2 JP 5550563B2 JP 2010540702 A JP2010540702 A JP 2010540702A JP 2010540702 A JP2010540702 A JP 2010540702A JP 5550563 B2 JP5550563 B2 JP 5550563B2
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- plasma generator
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- 238000000034 method Methods 0.000 claims description 30
- 239000003989 dielectric material Substances 0.000 claims description 19
- 230000003213 activating effect Effects 0.000 claims 5
- 230000006835 compression Effects 0.000 description 43
- 238000007906 compression Methods 0.000 description 43
- 239000003570 air Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 23
- 239000012530 fluid Substances 0.000 description 16
- 238000004458 analytical method Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/687—Plasma actuators therefore
-
- 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
- F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities
- F05D2270/101—Compressor surge or stall
-
- 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
- F05D2270/17—Purpose of the control system to control boundary layer
- F05D2270/172—Purpose of the control system to control boundary layer by a plasma generator, e.g. control of ignition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Description
41 前縁
42 後縁
46 ブレード先端
50 ケーシング
60 環状プラズマ発生器
62 第1の電極
63 誘電材料
64 第2の電極
68 プラズマ
70 AC電源
72 電子制御装置
74 エンジン制御システム
Claims (20)
- 圧縮機の失速を防止するようにブレード列を有する圧縮機を動作させる方法であって、
誘電材料によって分離された径方向内側電極及び径方向外側電極を備えたプラズマ発生器を、前記ブレード先端から径方向外側に離間したケーシング内に取り付けるステップと、
前記径方向内側電極及び前記径方向外側電極にAC電位を供給するステップと
を含み、
前記AC電位を供給するステップは、ブレード列のブレード数の倍数となる周波数でパルス化することを含む
方法。 - 前記誘電材料が、前記ケーシングの径方向内向き表面に形成された溝の中に配置されることをさらに含む、請求項1記載の方法。
- 前記プラズマ発生器が環状プラズマ発生器を含む、請求項1又は2記載の方法。
- 前記プラズマ発生器が複数の離散プラズマ発生器を含み、各離散プラズマ発生器は前記ブレード先端から離間し径方向外側の前記ケーシングに取り付けられている、請求項1乃至3のいずれか1項記載の方法。
- 圧縮機の失速を防止するようにブレード列を有する圧縮機を動作させる方法であって、
誘電材料によって分離された径方向内側電極及び径方向外側電極を備えたプラズマ発生器を、前記ブレード先端から径方向外側に離間したケーシング内に取り付けるステップと、
前記径方向内側電極及び前記径方向外側電極にAC電位を供給するステップと
を含み、
前記AC電位を供給するステップは、前記ブレード先端の渦発生周波数の倍数と同相でパルス化することを含む
方法。 - 前記誘電材料が、前記ケーシングの径方向内向き表面に形成された溝の中に配置されることをさらに含む、請求項5記載の方法。
- 前記プラズマ発生器が環状プラズマ発生器を含む、請求項5又は6記載の方法。
- 前記プラズマ発生器が複数の離散プラズマ発生器を含み、各離散プラズマ発生器は前記ブレード先端から離間し径方向外側の前記ケーシングに取り付けられている、請求項5乃至7のいずれか1項記載の方法。
- ガスタービンエンジンを動作させる方法であって、
圧縮機を動作させるステップを含み、
前記圧縮機が、ブレード先端を有する複数のブレードを備え且つ環状ケーシング内に取り付けられたロータを備える少なくとも1つの圧縮機段を含み、
前記方法がさらに、
選択的に、前記圧縮機が失速状態に近い状態で動作しているときには該圧縮機の前記圧縮機段のためのプラズマ発生器を活動化させ、又は、該圧縮機が健康的な定常状態で動作しているときは該プラズマ発生器を停止させるステップを含み、
前記プラズマ発生器は、前記環状ケーシングに取り付けられ且つ前記ブレード先端から径方向外側に離間し、
前記プラズマ発生器を活動化させることは、前記ロータのブレード数の倍数となる周波数でパルス化することを含む
方法。 - 前記プラズマ発生器を活動化させる前に、前記圧縮機の動作状態が失速状態に近いことを識別するステップをさらに含む請求項9に記載の方法。
- 前記プラズマ発生器が、誘電材料によって分離された径方向内側電極及び径方向外側電極を備え、該径方向内側電極及び径方向外側電極が前記環状ケーシングに取り付けられている請求項9又は10に記載の方法。
- 前記誘電材料が、前記環状ケーシングの径方向内向き表面に形成された溝の中に配置されている、請求項11記載の方法。
- 前記プラズマ発生器が、前記圧縮機段の複数の位置に配置された複数の離散プラズマ発生器を含む、請求項9乃至12のいずれか1項記載の方法。
- 前記プラズマ発生器を活動化させることが、前記環状ケーシングと前記ブレード先端の間に環状プラズマを形成することをさらに含み、前記ケーシングと前記ブレード先端の間の環状プラズマによって生成される有効隙間が、前記環状ケーシングと前記ブレード先端の間の冷間隙間より小さい、請求項9乃至13のいずれか1項記載の方法。
- ガスタービンエンジンを動作させる方法であって、
圧縮機を動作させるステップを含み、
前記圧縮機が、ブレード先端を有する複数のブレードを備え且つ環状ケーシング内に取り付けられたロータを備える少なくとも1つの圧縮機段を含み、
前記方法がさらに、
選択的に、前記圧縮機が失速状態に近い状態で動作しているときには該圧縮機の前記圧縮機段のためのプラズマ発生器を活動化させ、又は、該圧縮機が健康的な定常状態で動作しているときは該プラズマ発生器を停止させるステップを含み、
前記プラズマ発生器は、前記環状ケーシングに取り付けられ且つ前記ブレード先端から径方向外側に離間し、
前記プラズマ発生器を活動化させることは、前記ブレード先端の渦発生周波数の倍数と同相でパルス化することを含む
方法。 - 前記プラズマ発生器を活動化させる前に、前記圧縮機の動作状態が失速状態に近いことを識別するステップをさらに含む請求項15に記載の方法。
- 前記プラズマ発生器が、誘電材料によって分離された径方向内側電極及び径方向外側電極を備え、該径方向内側電極及び径方向外側電極が前記環状ケーシングに取り付けられている請求項15又は16に記載の方法。
- 前記誘電材料が、前記環状ケーシングの径方向内向き表面に形成された溝の中に配置されている、請求項17記載の方法。
- 前記プラズマ発生器が、前記圧縮機段の複数の位置に配置された複数の離散プラズマ発生器を含む、請求項15乃至18のいずれか1項記載の方法。
- 前記プラズマ発生器を活動化させることが、前記環状ケーシングと前記ブレード先端の間に環状プラズマを形成することをさらに含み、前記ケーシングと前記ブレード先端の間の環状プラズマによって生成される有効隙間が、前記環状ケーシングと前記ブレード先端の間の冷間隙間より小さい、請求項15乃至19のいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/966,348 | 2007-12-28 | ||
US11/966,348 US8317457B2 (en) | 2007-12-28 | 2007-12-28 | Method of operating a compressor |
PCT/US2008/084319 WO2009085469A1 (en) | 2007-12-28 | 2008-11-21 | Method of operating a compressor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011508846A JP2011508846A (ja) | 2011-03-17 |
JP5550563B2 true JP5550563B2 (ja) | 2014-07-16 |
Family
ID=40350095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010540702A Expired - Fee Related JP5550563B2 (ja) | 2007-12-28 | 2008-11-21 | 圧縮機を動作させる方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8317457B2 (ja) |
JP (1) | JP5550563B2 (ja) |
CA (1) | CA2710115C (ja) |
DE (1) | DE112008003500T5 (ja) |
GB (1) | GB2467894B (ja) |
WO (1) | WO2009085469A1 (ja) |
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WO2009018532A1 (en) | 2007-08-02 | 2009-02-05 | University Of Notre Dame Du Lac | Compressor tip gap flow control using plasma actuators |
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US20100047060A1 (en) * | 2007-12-28 | 2010-02-25 | Aspi Rustom Wadia | Plasma Enhanced Compressor |
US20090169356A1 (en) * | 2007-12-28 | 2009-07-02 | Aspi Rustom Wadia | Plasma Enhanced Compression System |
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US20100047055A1 (en) * | 2007-12-28 | 2010-02-25 | Aspi Rustom Wadia | Plasma Enhanced Rotor |
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US8282337B2 (en) * | 2007-12-28 | 2012-10-09 | General Electric Company | Instability mitigation system using stator plasma actuators |
US20090169363A1 (en) * | 2007-12-28 | 2009-07-02 | Aspi Rustom Wadia | Plasma Enhanced Stator |
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US7984614B2 (en) * | 2008-11-17 | 2011-07-26 | Honeywell International Inc. | Plasma flow controlled diffuser system |
US20100172747A1 (en) * | 2009-01-08 | 2010-07-08 | General Electric Company | Plasma enhanced compressor duct |
US20100170224A1 (en) * | 2009-01-08 | 2010-07-08 | General Electric Company | Plasma enhanced booster and method of operation |
-
2007
- 2007-12-28 US US11/966,348 patent/US8317457B2/en not_active Expired - Fee Related
-
2008
- 2008-11-21 DE DE112008003500T patent/DE112008003500T5/de not_active Ceased
- 2008-11-21 JP JP2010540702A patent/JP5550563B2/ja not_active Expired - Fee Related
- 2008-11-21 WO PCT/US2008/084319 patent/WO2009085469A1/en active Application Filing
- 2008-11-21 GB GB1011326.4A patent/GB2467894B/en not_active Expired - Fee Related
- 2008-11-21 CA CA2710115A patent/CA2710115C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2011508846A (ja) | 2011-03-17 |
US20100284780A1 (en) | 2010-11-11 |
CA2710115C (en) | 2016-02-23 |
GB201011326D0 (en) | 2010-08-18 |
US8317457B2 (en) | 2012-11-27 |
DE112008003500T5 (de) | 2010-10-14 |
CA2710115A1 (en) | 2009-07-09 |
GB2467894A (en) | 2010-08-18 |
WO2009085469A1 (en) | 2009-07-09 |
GB2467894B (en) | 2012-12-05 |
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