JP5180088B2 - ガスタービンエンジンの燃焼器内における分光測定の方法及び装置 - Google Patents
ガスタービンエンジンの燃焼器内における分光測定の方法及び装置 Download PDFInfo
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- JP5180088B2 JP5180088B2 JP2008539167A JP2008539167A JP5180088B2 JP 5180088 B2 JP5180088 B2 JP 5180088B2 JP 2008539167 A JP2008539167 A JP 2008539167A JP 2008539167 A JP2008539167 A JP 2008539167A JP 5180088 B2 JP5180088 B2 JP 5180088B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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- 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
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed
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- 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
- F05D2260/80—Diagnostics
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- Combustion & Propulsion (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
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Description
以下の例は、例示を目的として提供するものであり、本発明の範囲の限定を意図したものではない。
Claims (19)
- ガスタービンエンジンの燃焼器の領域(12)内の燃焼特性を測定する方法であって、前記燃焼器の領域が、内部ケーシング(16)と外部ケーシング(14)との間に形成されており、タービンシャフト(18)が、前記内部ケーシング(16)の内部に配置されており、前記方法が、
a)光線を、第1の光ファイバーを介して、前記外部ケーシングの孔(24)に光学的に連結された投光部(22)に放射する工程と、
b)前記投光部から前記内部ケーシングの一部に、前記燃焼器の領域を通して前記光線を放射する工程と、
c)前記外部ケーシングの孔に光学的に連結された受光部(26)によって、前記内部ケーシングの一部から反射された前記光線の一部を受光する工程と、
d)前記反射された光線の前記受光された部分を、前記受光された光線の量と性質とを前記燃焼器の領域内の燃焼特性と関係付けるために、第2の光ファイバー(56)を介して、放射する工程と、
を備え、
工程a)の前に、前記光線を散乱させるために、前記内部ケーシングの前記一部を処理する工程を更に備える、方法。 - 前記投光部及び前記受光部が、同一の孔に光学的に連結されている、請求項1に記載の方法。
- 前記孔が、保守点検中にタービンブレードを観察するために前記エンジンの製造者によって設けられた、既存のボアスコープ用孔である、請求項2に記載の方法。
- 工程a)において、複数の離散多重化波長を有する光線を、1本の第1の光ファイバー内に放射する工程を更に備え、工程d)において、複数の離散多重化波長を有する前記受光された光線を、1本の第2の光ファイバー内に放射する工程を更に備える、請求項1に記載の方法。
- 工程d)において、前記受光部によって受光された前記光線の一部を、離散波長に逆多重化し、前記逆多重化された光線の少なくとも1つの離散波長を、前記第2の光ファイバーを介して検出器に伝達する工程を更に備える、請求項4に記載の方法。
- e)前記少なくとも1つの検出された波長の強度に基づいて、少なくとも1つの火種の濃度を判定する工程を更に備える、請求項5に記載の方法。
- 工程e)において、複数の検出された離散波長の強度に基づいて複数の火種の濃度を判定する工程を更に備える、請求項6に記載の方法。
- f)前記火種の特定の濃度に応答して、エンジン入力パラメータを変更する工程を更に備える、請求項7に記載の方法。
- 少なくとも1つの火種の前記濃度を監視することにより、エンジンの故障を判定する工程を更に備える、請求項6に記載の方法。
- 工程a)の前に、前記内部ケーシングの前記一部の反射率を改善するために、前記内部ケーシングの前記一部を処理する工程を更に備える、請求項1から9のいずれか1項に記載の方法。
- マルチプレクサの上流の前記光ファイバーが、シングルモードの光ファイバーである、請求項1から10のいずれか1項に記載の方法。
- 前記第2の光ファイバーが、マルチモードの光ファイバーである、請求項1から11のいずれか1項に記載の方法。
- 前記光線が、レーザーによって発生し、前記反射された光線が、検出器によって検出される、請求項1から12のいずれか1項に記載の方法。
- 前記光線が、近赤外線又は中赤外線スペクトル領域の光線である、請求項1から13のいずれか1項に記載の方法。
- ガスタービンエンジンの燃焼特性を測定する装置であって、前記ガスタービンエンジンが、内部ケーシング(16)と外部ケーシング(14)との間に形成された燃焼器の領域(12)と、前記内部ケーシング(16)の内部に配置されたタービンシャフト(18)と、前記外部ケーシングの少なくとも1つの孔(24)と、を備え、前記装置が、
光線を発生するレーザー(52)と、
前記光線を放射する前記レーザーに第1の光ファイバー(54)によって光学的に連結された投光部(22)と、
受光部(26)であって、前記受光部及び前記投光部が前記ガスタービンエンジンの前記外部ケーシング内の孔(24)と作用上関連付けられるようにされており、これによって、前記投光部及び前記受光部が、前記内部ケーシングの一部から光線を反射させることにより光学的に連結されている、受光部と、
前記受光部に、第2の光ファイバー(56)によって光学的に連結された、検出器(58)と、
を備え、
前記光線を散乱させるために、前記内部ケーシングの前記一部が処理されている、装置。 - 前記内部ケーシングの一部とほぼ向い合って、前記燃焼器の領域と作用上関連付けられた、前記外部ケーシングの孔と、
前記孔に光学的に連結された前記投光部と受光部のペアであって、前記投光部が前記内部ケーシングの一部に対して光線を放射し、前記受光部が前記内部ケーシングの前記一部から反射された前記光線の少なくとも一部を受光するようにされた、前記投光部と受光部のペアと、を備える、前記ガスタービンエンジンを備える、
請求項15に記載の装置。 - 各レーザーが離散波長の光線を発生する、複数のレーザーと、
前記離散波長の光線を多重化して多重化光線にする、前記複数のレーザーに光学的に連結されたマルチプレクサであって、前記投光部に光ファイバーによって光学的に連結されているマルチプレクサと、
を更に備える、請求項15に記載の装置。 - 前記第1の光ファイバーが、シングルモードの光ファイバーである、請求項15から17のいずれか1項に記載の装置。
- 前記光線が、近赤外線又は中赤外線スペクトル領域の光線である、請求項15から18のいずれか1項に記載の装置。
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US73343105P | 2005-11-04 | 2005-11-04 | |
US60/733,431 | 2005-11-04 | ||
PCT/US2006/060572 WO2007087081A2 (en) | 2005-11-04 | 2006-11-06 | Method and apparatus for spectroscopic measurements in the combustion zone of a gas turbine engine |
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JP2009515079A JP2009515079A (ja) | 2009-04-09 |
JP2009515079A5 JP2009515079A5 (ja) | 2010-01-07 |
JP5180088B2 true JP5180088B2 (ja) | 2013-04-10 |
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US (1) | US8544279B2 (ja) |
EP (1) | EP1952003B1 (ja) |
JP (1) | JP5180088B2 (ja) |
ES (1) | ES2495719T3 (ja) |
WO (1) | WO2007087081A2 (ja) |
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WO2007087081A3 (en) | 2008-04-24 |
ES2495719T3 (es) | 2014-09-17 |
EP1952003B1 (en) | 2014-07-16 |
JP2009515079A (ja) | 2009-04-09 |
EP1952003A2 (en) | 2008-08-06 |
US8544279B2 (en) | 2013-10-01 |
WO2007087081A2 (en) | 2007-08-02 |
US20080289342A1 (en) | 2008-11-27 |
EP1952003A4 (en) | 2009-04-15 |
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