JP4840664B2 - 能動間隙制御においてブレード先端間隙劣化を補償する方法 - Google Patents
能動間隙制御においてブレード先端間隙劣化を補償する方法 Download PDFInfo
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- JP4840664B2 JP4840664B2 JP2007137495A JP2007137495A JP4840664B2 JP 4840664 B2 JP4840664 B2 JP 4840664B2 JP 2007137495 A JP2007137495 A JP 2007137495A JP 2007137495 A JP2007137495 A JP 2007137495A JP 4840664 B2 JP4840664 B2 JP 4840664B2
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- Prior art keywords
- blade tip
- value
- engine
- variable
- degradation
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- 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.)
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Classifications
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
-
- 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
- F05D2270/40—Type of control system
- F05D2270/44—Type of control system active, predictive, or anticipative
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
10 航空機ガスタービンエンジン
12 能動間隙制御システム
13 ファンセクション
14 ファン
15 ファンバイパスダクト
16 ブースタ又は低圧圧縮機(LPC)
17 出口案内ベーン
18 高圧圧縮機(HPC)
19 空気供給入口
20 燃焼セクション
22 高圧タービン(HPT)
24 低圧タービン(LPT)
26 高圧シャフト
28 低圧シャフト
30 HPTロータ
32 ファン空気供給装置
34 タービンブレード
36 熱制御空気
40 タービンブレード先端間隙制御装置
42 空気供給管
44 空気弁
48 コントローラ
50 分配マニホルド
54 ヘッダ管
56 プレナム
60 噴射管
64 ステータ組立体
66 外側ケーシング
68 前方ケースフック
70 後方ケースフック
72 シュラウド
74 前方シュラウドフック
76 後方シュラウドフック
80 シュラウド支持体
82 ブレード先端
84 前方熱制御リング
86 後方熱制御リング
92 ACC流れモデル
94 間隙劣化補償モデル
CL ブレード先端間隙値
DT ブレード先端間隙劣化値
B ベースライン
D 差
F 関数
P パラメータ
V 変数
NC 飛行サイクル/エンジンサイクル
UB 上限
LB 下限
CLB 先端ベースライン間隙値
CLM 間隙モデルプログラム
EGT 排気ガス温度
SFC 燃料消費率
TCL タービンブレード先端閉鎖値
Claims (10)
- 航空機ガスタービンエンジン(10)における回転ブレード先端(82)と周囲シュラウド(72)との間のブレード先端間隙劣化(DT)を補償する方法であって、
それぞれ一定の運転エンジン飛行サイクル数にわたって平均した1つ又はそれ以上のエンジン運転パラメータの少なくとも1つ又はそれ以上の移動平均値に基づいて、1つ又はそれ以上の変数(V)を決定する段階と、
前記変数(V)に基づいて、ブレード先端間隙劣化値(DT)を計算する段階と、
前記1つ又はそれ以上の変数に基づいて、前記ブレード先端間隙劣化値を相殺するように熱制御空気(36)の流量を調整する段階と、
を含む方法。 - 稼働エンジンサイクル数、離陸及び巡航排気ガス温度(EGT)、巡航タービン効率、離陸及び巡航最大タービン速度及び巡航燃料流量を含む群から選択された1つ又はそれ以上の前記エンジン運転パラメータをさらに含む、請求項1記載の方法。
- 前記ブレード先端間隙劣化値を相殺するためのブレード先端閉鎖量を決定する段階と、
前記閉鎖量が前記熱制御空気(36)の流量を調整するための増分基準と一致した時に、該熱制御空気(36)の流量を調整する段階と、
をさらに含む、請求項2記載の方法。 - 前記変数が、それぞれ前記1つ又はそれ以上のエンジン運転パラメータの1つ又はそれ以上の移動平均値と該1つ又はそれ以上のエンジン運転パラメータの1つ又はそれ以上のベースラインとの間の差を含む、請求項1記載の方法。
- 前記ブレード先端間隙劣化値(DT)を、前記変数(V(I))の対応する変数から成分劣化値(DCL(I))を含む複合タービンブレード先端間隙劣化値(DTC)を計算しかつ該ブレード先端間隙劣化値(DT)を決定するために前記成分を合計することによって、計算する段階をさらに含む、請求項4記載の方法。
- 前記ブレード先端(82)と前記シュラウド(72)との間の半径方向ブレード先端間隙(CL)による変数(V(I))のパーセンテージ(%V(I))を、該パーセンテージ(%V(I))を前記変数(V(I))と関係付けるパーセンテージ関数(%F(I))により決定する段階と、
次に、前記成分劣化値(DCL(I))を、該成分劣化値(DCL(I))を前記パーセンテージ(%V(I))と関係付ける成分劣化関数(FDCL(I))により決定する段階と、
をさらに含む、請求項5記載の方法。 - 前記ブレード先端間隙劣化値を相殺するためのブレード先端閉鎖量を決定する段階と、
前記閉鎖量が前記熱制御空気(36)の流量を調整するための増分基準と一致しかつ前記ブレード先端間隙劣化値が稼働エンジンサイクル数に基づいて予め定めた又は計算した上限及び下限の範囲内にある時に、該熱制御空気(36)の流量を調整する段階と、
をさらに含む、請求項6記載の方法。 - 前記変数が、それぞれ前記1つ又はそれ以上のエンジン運転パラメータの1つ又はそれ以上の移動平均値の第1の部分と前記第1の部分の対応するベースラインとの間の差と、それぞれ前記1つ又はそれ以上の移動平均値の第2の部分との組合せを含む、請求項1記載の方法。
- 前記ブレード先端間隙劣化値(DT)を、前記変数(V(I))の対応する変数から成分劣化値(DCL(I))を含む複合タービンブレード先端間隙劣化値(DTC)を計算しかつ該ブレード先端間隙劣化値(DT)を決定するために前記成分を合計することによって、計算する段階をさらに含む、請求項8記載の方法。
- 前記ブレード先端(82)と前記シュラウド(72)との間の半径方向ブレード先端間隙(CL)による変数(V(I))のパーセンテージ(%V(I))を、該パーセンテージ(%V(I))を前記変数(V(I))と関係付けるパーセンテージ関数(%F(I))により決定する段階と、
次に、前記成分劣化値(DCL(I))を、該成分劣化値(DCL(I))を前記パーセンテージ(%V(I))と関係付ける成分劣化関数(FDCL(I)により決定する段階と、
をさらに含む、請求項9記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/441,258 | 2006-05-25 | ||
US11/441,258 US7431557B2 (en) | 2006-05-25 | 2006-05-25 | Compensating for blade tip clearance deterioration in active clearance control |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007315396A JP2007315396A (ja) | 2007-12-06 |
JP4840664B2 true JP4840664B2 (ja) | 2011-12-21 |
Family
ID=38230003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007137495A Expired - Fee Related JP4840664B2 (ja) | 2006-05-25 | 2007-05-24 | 能動間隙制御においてブレード先端間隙劣化を補償する方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7431557B2 (ja) |
EP (1) | EP1860281B1 (ja) |
JP (1) | JP4840664B2 (ja) |
CN (1) | CN101078356B (ja) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8540479B2 (en) * | 2007-01-11 | 2013-09-24 | General Electric Company | Active retractable seal for turbo machinery and related method |
US7891938B2 (en) * | 2007-03-20 | 2011-02-22 | General Electric Company | Multi sensor clearance probe |
US8177474B2 (en) * | 2007-06-26 | 2012-05-15 | General Electric Company | System and method for turbine engine clearance control with rub detection |
US8126628B2 (en) * | 2007-08-03 | 2012-02-28 | General Electric Company | Aircraft gas turbine engine blade tip clearance control |
US8092153B2 (en) * | 2008-12-16 | 2012-01-10 | Pratt & Whitney Canada Corp. | Bypass air scoop for gas turbine engine |
EP2333325B1 (en) * | 2009-11-26 | 2015-06-24 | Siemens Aktiengesellschaft | Brake system, generator and wind turbine |
FR2960905B1 (fr) | 2010-06-03 | 2014-05-09 | Snecma | Procede et systeme de pilotage de jeu en sommet d'aubes de rotor de turbine |
FR2972483B1 (fr) * | 2011-03-07 | 2013-04-19 | Snecma | Carter de turbine comportant des moyens de fixation de secteurs d'anneau |
US9003807B2 (en) | 2011-11-08 | 2015-04-14 | Siemens Aktiengesellschaft | Gas turbine engine with structure for directing compressed air on a blade ring |
US9057282B2 (en) | 2011-11-22 | 2015-06-16 | General Electric Company | Systems and methods for adjusting clearances in turbines |
GB201201094D0 (en) * | 2012-01-24 | 2012-03-07 | Rolls Royce Plc | Improvements in or relating to gas turbine engine control |
US20130251500A1 (en) * | 2012-03-23 | 2013-09-26 | Kin-Leung Cheung | Gas turbine engine case with heating layer and method |
GB201219815D0 (en) * | 2012-11-05 | 2012-12-19 | Rolls Royce Plc | Engine control parameter trimming |
US20140161612A1 (en) * | 2012-12-07 | 2014-06-12 | General Electric Company | Tip shroud monitoring system, method, and controller |
US10018067B2 (en) | 2013-02-08 | 2018-07-10 | General Electric Company | Suction-based active clearance control system |
JP6643225B2 (ja) * | 2013-06-11 | 2020-02-12 | ゼネラル・エレクトリック・カンパニイ | クリアランス制御リング組立体 |
GB2516048A (en) * | 2013-07-09 | 2015-01-14 | Rolls Royce Plc | Tip clearance control method |
US10184348B2 (en) | 2013-12-05 | 2019-01-22 | Honeywell International Inc. | System and method for turbine blade clearance control |
US10316696B2 (en) | 2015-05-08 | 2019-06-11 | General Electric Company | System and method for improving exhaust energy recovery |
GB201507881D0 (en) * | 2015-05-08 | 2015-06-24 | Rolls Royce Plc | Turbine tip clearance |
GB201514896D0 (en) * | 2015-08-21 | 2015-10-07 | Rolls Royce Plc | Rotor tip clearance |
CN106555618B (zh) * | 2015-09-30 | 2019-09-13 | 中国航发商用航空发动机有限责任公司 | 燃气轮机的叶尖间隙控制系统及其方法 |
US9707572B2 (en) | 2015-12-18 | 2017-07-18 | Kohler Co. | Multi-function splashless sprayhead |
ITUA20161507A1 (it) | 2016-03-09 | 2017-09-09 | Gen Electric | Turbomotore a gas con una derivazione d'aria. |
GB2553806B (en) * | 2016-09-15 | 2019-05-29 | Rolls Royce Plc | Turbine tip clearance control method and system |
US10415421B2 (en) * | 2017-02-06 | 2019-09-17 | United Technologies Corporation | Thrust rating dependent active tip clearance control system |
US10414507B2 (en) * | 2017-03-09 | 2019-09-17 | General Electric Company | Adaptive active clearance control logic |
US10801359B2 (en) | 2017-03-14 | 2020-10-13 | General Electric Company | Method and system for identifying rub events |
US10378376B2 (en) | 2017-04-04 | 2019-08-13 | General Electric Company | Method and system for adjusting an operating parameter as a function of component health |
US20190078459A1 (en) * | 2017-09-11 | 2019-03-14 | United Technologies Corporation | Active clearance control system for gas turbine engine with power turbine |
US10914187B2 (en) * | 2017-09-11 | 2021-02-09 | Raytheon Technologies Corporation | Active clearance control system and manifold for gas turbine engine |
FR3078362B1 (fr) * | 2018-02-28 | 2022-07-01 | Safran Aircraft Engines | Procede et unite de commande pour le pilotage du jeu d'une turbine haute pression |
US11293298B2 (en) * | 2019-12-05 | 2022-04-05 | Raytheon Technologies Corporation | Heat transfer coefficients in a compressor case for improved tip clearance control system |
CN111967098B (zh) * | 2020-07-19 | 2022-06-21 | 复旦大学 | 涡轮机械叶尖径向运行间隙概率优化设计方法 |
CN114087029B (zh) * | 2020-08-25 | 2024-05-17 | 中国航发商用航空发动机有限责任公司 | 涡轮叶尖间隙主动控制方法、系统和航空发动机 |
US11788425B2 (en) * | 2021-11-05 | 2023-10-17 | General Electric Company | Gas turbine engine with clearance control system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4304093A (en) | 1979-08-31 | 1981-12-08 | General Electric Company | Variable clearance control for a gas turbine engine |
GB2133877B (en) * | 1982-12-24 | 1986-12-03 | Rolls Royce | Generation of a signal dependent upon temperature of gas turbine rotor blades |
US4928240A (en) | 1988-02-24 | 1990-05-22 | General Electric Company | Active clearance control |
US5012420A (en) | 1988-03-31 | 1991-04-30 | General Electric Company | Active clearance control for gas turbine engine |
US4856272A (en) | 1988-05-02 | 1989-08-15 | United Technologies Corporation | Method for maintaining blade tip clearance |
US5197280A (en) * | 1989-03-20 | 1993-03-30 | General Electric Company | Control system and method for controlling a gas turbine engine |
US5081830A (en) | 1990-05-25 | 1992-01-21 | United Technologies Corporation | Method of restoring exhaust gas temperature margin in a gas turbine engine |
US6463380B1 (en) | 1999-06-01 | 2002-10-08 | General Electric Company | Control system and method for controlling an engine in response to deterioration of the engine |
US6717418B2 (en) * | 2001-11-16 | 2004-04-06 | General Electric Company | Method and apparatus for measuring turbine blade tip clearance |
US6853945B2 (en) * | 2003-03-27 | 2005-02-08 | General Electric Company | Method of on-line monitoring of radial clearances in steam turbines |
US6943699B2 (en) | 2003-07-23 | 2005-09-13 | Harris Corporation | Wireless engine monitoring system |
US7079957B2 (en) | 2003-12-30 | 2006-07-18 | General Electric Company | Method and system for active tip clearance control in turbines |
US20070214795A1 (en) * | 2006-03-15 | 2007-09-20 | Paul Cooker | Continuous real time EGT margin control |
-
2006
- 2006-05-25 US US11/441,258 patent/US7431557B2/en active Active
-
2007
- 2007-05-24 JP JP2007137495A patent/JP4840664B2/ja not_active Expired - Fee Related
- 2007-05-25 EP EP07108972.6A patent/EP1860281B1/en not_active Expired - Fee Related
- 2007-05-25 CN CN2007101045724A patent/CN101078356B/zh active Active
Also Published As
Publication number | Publication date |
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EP1860281A3 (en) | 2012-08-01 |
EP1860281B1 (en) | 2016-10-05 |
US20070276578A1 (en) | 2007-11-29 |
EP1860281A2 (en) | 2007-11-28 |
CN101078356B (zh) | 2011-05-25 |
US7431557B2 (en) | 2008-10-07 |
JP2007315396A (ja) | 2007-12-06 |
CN101078356A (zh) | 2007-11-28 |
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