CN104234757B - 蒸汽涡轮中的低体积流不稳定性的控制 - Google Patents
蒸汽涡轮中的低体积流不稳定性的控制 Download PDFInfo
- Publication number
- CN104234757B CN104234757B CN201410269622.4A CN201410269622A CN104234757B CN 104234757 B CN104234757 B CN 104234757B CN 201410269622 A CN201410269622 A CN 201410269622A CN 104234757 B CN104234757 B CN 104234757B
- Authority
- CN
- China
- Prior art keywords
- rotor blade
- construction according
- path
- stator bracket
- flow
- 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.)
- Active
Links
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/10—Anti- vibration means
-
- 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
- F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
-
- 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
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
-
- 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
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/04—Antivibration arrangements
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/04—Antivibration arrangements
- F01D25/06—Antivibration arrangements for preventing blade vibration
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/16—Form or construction for counteracting blade vibration
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13172223.3 | 2013-06-17 | ||
EP13172223 | 2013-06-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104234757A CN104234757A (zh) | 2014-12-24 |
CN104234757B true CN104234757B (zh) | 2016-10-05 |
Family
ID=48669768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410269622.4A Active CN104234757B (zh) | 2013-06-17 | 2014-06-17 | 蒸汽涡轮中的低体积流不稳定性的控制 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140369815A1 (enrdf_load_stackoverflow) |
EP (1) | EP2816199B1 (enrdf_load_stackoverflow) |
JP (1) | JP6239447B2 (enrdf_load_stackoverflow) |
CN (1) | CN104234757B (enrdf_load_stackoverflow) |
IN (1) | IN2014DE01617A (enrdf_load_stackoverflow) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016094409A1 (en) * | 2014-12-09 | 2016-06-16 | Villarreal Anna | Methods and devices for female health monitoring |
US10662802B2 (en) | 2018-01-02 | 2020-05-26 | General Electric Company | Controlled flow guides for turbines |
JP6916755B2 (ja) * | 2018-03-09 | 2021-08-11 | 三菱重工業株式会社 | 回転機械 |
WO2019236062A1 (en) | 2018-06-05 | 2019-12-12 | Siemens Energy, Inc. | Arrangement of a last stage with flow blockers and corresponding method for suppressing rotating flow instability cells |
PL3816397T3 (pl) * | 2019-10-31 | 2023-06-19 | General Electric Company | Łopatki turbiny o kontrolowanym przepływie |
CN112699505B (zh) * | 2020-12-28 | 2022-11-25 | 哈尔滨汽轮机厂有限责任公司 | 一种用于核电机组低压缸长叶片的动应力有限元计算方法 |
CN113153453B (zh) * | 2021-03-02 | 2022-10-11 | 哈尔滨工业大学 | 汽轮机末级叶片容积流量估计方法、颤振预警方法及系统和装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0754864A1 (en) * | 1995-07-18 | 1997-01-22 | Ebara Corporation | Turbomachine |
CN101148995A (zh) * | 2006-09-21 | 2008-03-26 | 通用电气公司 | 用于控制蒸汽涡轮机操作的方法和设备 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57180101U (enrdf_load_stackoverflow) * | 1981-05-12 | 1982-11-15 | ||
JPS5813105A (ja) * | 1981-07-16 | 1983-01-25 | Toshiba Corp | 蒸気タ−ビン |
JPS63179101A (ja) * | 1987-01-20 | 1988-07-23 | Mitsubishi Heavy Ind Ltd | 軸流タ−ビン |
JPH0430203A (ja) * | 1990-05-25 | 1992-02-03 | Fanuc Ltd | ロボットの加減速時定数制御方法 |
JPH0430203U (enrdf_load_stackoverflow) * | 1990-07-09 | 1992-03-11 | ||
JPH04308301A (ja) * | 1991-04-03 | 1992-10-30 | Mitsubishi Heavy Ind Ltd | 蒸気タービン翼の振動防止方法 |
US5486091A (en) * | 1994-04-19 | 1996-01-23 | United Technologies Corporation | Gas turbine airfoil clocking |
JP3786458B2 (ja) * | 1996-01-19 | 2006-06-14 | 株式会社東芝 | 軸流タービン翼 |
CH697101A5 (de) * | 2004-01-31 | 2008-04-30 | Zhengji Zhang | Verfahren zur Unterdrückung der Strömungsinstabilität und rotierender Ablösung in Strömungsmaschinen. |
US7594388B2 (en) * | 2005-06-06 | 2009-09-29 | General Electric Company | Counterrotating turbofan engine |
JP2005299680A (ja) * | 2005-07-11 | 2005-10-27 | Toshiba Corp | 軸流タービン翼 |
US8322972B2 (en) * | 2009-11-05 | 2012-12-04 | General Electric Company | Steampath flow separation reduction system |
EP2434164A1 (de) * | 2010-09-24 | 2012-03-28 | Siemens Aktiengesellschaft | Verstellbares Casing Treatment |
US10072522B2 (en) * | 2011-07-14 | 2018-09-11 | Honeywell International Inc. | Compressors with integrated secondary air flow systems |
US20130064665A1 (en) * | 2011-09-13 | 2013-03-14 | General Electric Company | Low pressure steam turbine including pivotable nozzle |
JP2013060931A (ja) * | 2011-09-15 | 2013-04-04 | Toshiba Corp | 蒸気タービン |
US20130280050A1 (en) * | 2012-04-18 | 2013-10-24 | General Electric Company | Turbine vibration reduction system |
-
2014
- 2014-06-02 EP EP14170721.6A patent/EP2816199B1/en active Active
- 2014-06-16 IN IN1617DE2014 patent/IN2014DE01617A/en unknown
- 2014-06-16 US US14/305,316 patent/US20140369815A1/en not_active Abandoned
- 2014-06-17 JP JP2014124549A patent/JP6239447B2/ja active Active
- 2014-06-17 CN CN201410269622.4A patent/CN104234757B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0754864A1 (en) * | 1995-07-18 | 1997-01-22 | Ebara Corporation | Turbomachine |
CN101148995A (zh) * | 2006-09-21 | 2008-03-26 | 通用电气公司 | 用于控制蒸汽涡轮机操作的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
EP2816199A2 (en) | 2014-12-24 |
EP2816199B1 (en) | 2021-09-01 |
EP2816199A3 (en) | 2015-03-04 |
CN104234757A (zh) | 2014-12-24 |
JP2015001228A (ja) | 2015-01-05 |
IN2014DE01617A (enrdf_load_stackoverflow) | 2015-06-19 |
JP6239447B2 (ja) | 2017-11-29 |
US20140369815A1 (en) | 2014-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104234757B (zh) | 蒸汽涡轮中的低体积流不稳定性的控制 | |
US9217368B2 (en) | Gas turbine, exhaust diffuser, and method of modifying gas turbine plant | |
JP5635816B2 (ja) | タービンバケット先端シュラウド用の冷却孔出口 | |
Danner et al. | Experimental and numerical analysis of axial skewed slot casing treatments for a transonic compressor stage | |
KR20150131247A (ko) | 상이한 후행 에지 프로파일을 갖는 교호하는 베인을 갖는 베인 장치 | |
Wang et al. | The effects on stability, performance, and tip leakage flow of recirculating casing treatment in a subsonic axial flow compressor | |
Wu et al. | Investigation of pressure pulsations and flow instabilities in a centrifugal pump at part-load conditions | |
Axelsson et al. | Experimental investigation of the time-averaged flow in an intermediate turbine duct | |
Liu et al. | Numerical investigations of flow features in a low pressure steam turbine last stage under different mass flow rates | |
Yang et al. | Experimental investigation of an active control casing treatment of centrifugal compressors | |
PL220635B1 (pl) | Dyfuzor gazu wydechowego i turbina zawierająca dyfuzor gazu wydechowego | |
WO2016024458A1 (ja) | 軸流式ターボ機械 | |
Tamaki et al. | Effect of circumferential static pressure non-uniformity caused by a volute on flow in high pressure ratio centrifugal compressor with vaneless and vaned diffuser | |
US20170130596A1 (en) | System for integrating sections of a turbine | |
Zemp et al. | Unsteady CFD investigation on inlet distortion in a centrifugal compressor | |
Xu et al. | Experimental research on inlet steady swirl distortion in an axial compressor with non-uniform tip clearance | |
Krysinski et al. | Stator clocking effects on 3d flow in a two-stage low-pressure turbine | |
Xin et al. | Numerical investigation of the flow field and aerodynamic load on impellers in centrifugal compressor with different radial inlets | |
Yue et al. | Experimental investigation of rotating instability in a contra-rotating axial flow compressor | |
Schüpbach et al. | Effects of Suction and Injection Purge-Flow on the Secondary Flow Structures of a High-Work Turbine | |
Chilla et al. | Unsteady Interaction Between Annulus and Turbine Rim Seal Flows | |
Alone et al. | Experimental investigation on the effect of porosity of bend skewed casing treatment on a single stage transonic axial flow compressor | |
Han et al. | Effect of tip clearance size on the ram-rotor performance | |
JP5851900B2 (ja) | 排気ディフューザおよびタービン | |
Buffaz et al. | Impact of Tip Clearance Size and Rotation Speed on the Surge Onset in a High Pressure Centrifugal Compressor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Baden, Switzerland Applicant after: ALSTOM TECHNOLOGY LTD Address before: Baden, Switzerland Applicant before: Alstom Technology Ltd. |
|
COR | Change of bibliographic data | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |