EP2275643A3 - Triebwerkschaufel mit überhöhter Vorderkantenbelastung - Google Patents

Triebwerkschaufel mit überhöhter Vorderkantenbelastung Download PDF

Info

Publication number
EP2275643A3
EP2275643A3 EP10005471.7A EP10005471A EP2275643A3 EP 2275643 A3 EP2275643 A3 EP 2275643A3 EP 10005471 A EP10005471 A EP 10005471A EP 2275643 A3 EP2275643 A3 EP 2275643A3
Authority
EP
European Patent Office
Prior art keywords
blade
skeleton line
run length
gap
flow path
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
Application number
EP10005471.7A
Other languages
English (en)
French (fr)
Other versions
EP2275643A2 (de
EP2275643B1 (de
Inventor
Volker Dr. Gümmer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
Rolls Royce Deutschland Ltd and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rolls Royce Deutschland Ltd and Co KG filed Critical Rolls Royce Deutschland Ltd and Co KG
Publication of EP2275643A2 publication Critical patent/EP2275643A2/de
Publication of EP2275643A3 publication Critical patent/EP2275643A3/de
Application granted granted Critical
Publication of EP2275643B1 publication Critical patent/EP2275643B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Die Erfindung bezieht sich auf eine Schaufel einer Strömungsarbeitsmaschine angeordnet in einem von einer Nabe 2 und einem Gehäuse 1 berandeten Hauptströmungspfad 6, wobei zwischen einem Ende der Schaufel und einer durch eine Nabe 2 oder ein Gehäuse 1 gebildeten Hauptströmungspfadberandung ein Spalt 10 ausgebildet ist und somit ein freies Schaufelende ausgebildet ist, wobei in mindestens einem Schaufelprofilstromlinienschnitt im Bereich zwischen dem Spalt 10 und einem Schaufelschnitt im Abstand von 30% der Hauptströmungspfadweite W vom Spalt 10 eine Skelettlinienwölbungsverteilung vorgesehen ist, die bei einer bezogenen Lauflänge von s*=0,1 einen überhöhten Wert der relativen Skelettlinienwölbung von mindestens α*=0,35 aufweist, wobei s* die auf die Gesamtlauflänge der Profilskelettlinie bezogene lokale Lauflänge darstellt und α* als die von der Vorderkante bis zu einer bezogenen Lauflänge s* erreichte Winkeländerung der Skelettlinie bezogen auf die Gesamtwölbung der Skelettlinie gebildet wird, wobei die Skelettlinienwölbungsverteilung in dieser Darstellung im Vorderkantenpunkt V s*=0,α*=0 beginnt und im Hinterkantenpunkt H s*=1,α*=1 endet.
EP10005471.7A 2009-07-17 2010-05-26 Triebwerkschaufel mit überhöhter Vorderkantenbelastung Not-in-force EP2275643B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009033593A DE102009033593A1 (de) 2009-07-17 2009-07-17 Triebwerkschaufel mit überhöhter Vorderkantenbelastung

Publications (3)

Publication Number Publication Date
EP2275643A2 EP2275643A2 (de) 2011-01-19
EP2275643A3 true EP2275643A3 (de) 2017-10-04
EP2275643B1 EP2275643B1 (de) 2018-12-26

Family

ID=42278932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10005471.7A Not-in-force EP2275643B1 (de) 2009-07-17 2010-05-26 Triebwerkschaufel mit überhöhter Vorderkantenbelastung

Country Status (3)

Country Link
US (1) US8439646B2 (de)
EP (1) EP2275643B1 (de)
DE (1) DE102009033593A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102113900B (zh) 2010-01-05 2015-07-15 深圳迈瑞生物医疗电子股份有限公司 彩色血流动态帧相关方法和装置
DE102014203605A1 (de) 2014-02-27 2015-08-27 Rolls-Royce Deutschland Ltd & Co Kg Schaufelreihengruppe
JP6468414B2 (ja) * 2014-08-12 2019-02-13 株式会社Ihi 圧縮機静翼、軸流圧縮機、及びガスタービン
US9797267B2 (en) * 2014-12-19 2017-10-24 Siemens Energy, Inc. Turbine airfoil with optimized airfoil element angles
DE102016115868A1 (de) * 2016-08-26 2018-03-01 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit hohem Ausnutzungsgrad
GB201719539D0 (en) 2017-11-24 2018-01-10 Rolls Royce Plc Gas Turbine Engine
GB201719538D0 (en) 2017-11-24 2018-01-10 Rolls Royce Plc Gas turbine engine
JP6774044B2 (ja) 2017-12-20 2020-10-21 株式会社Ihi ファン及び圧縮機の静翼
CN109058161B (zh) * 2018-09-27 2023-08-29 美的集团股份有限公司 轴流风轮及空调室外机
IT202000005146A1 (it) * 2020-03-11 2021-09-11 Ge Avio Srl Motore a turbina con profilo aerodinamico avente alta accelerazione e bassa curva di paletta
US12071889B2 (en) 2022-04-05 2024-08-27 General Electric Company Counter-rotating turbine
US12497917B2 (en) 2022-05-18 2025-12-16 General Electric Company Counter-rotating turbine
US12326118B2 (en) 2022-09-16 2025-06-10 General Electric Company Gas turbine engines with a fuel cell assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431376A (en) * 1980-10-27 1984-02-14 United Technologies Corporation Airfoil shape for arrays of airfoils
US5525038A (en) * 1994-11-04 1996-06-11 United Technologies Corporation Rotor airfoils to control tip leakage flows
US6428281B1 (en) * 1999-08-18 2002-08-06 Snecma Moteurs Turbine vane with enhanced profile
DE102005042115A1 (de) * 2005-09-05 2007-03-08 Rolls-Royce Deutschland Ltd & Co Kg Schaufel einer Strömungsarbeitsmaschine mit blockweise definierter Profilskelettlinie
EP1927724A2 (de) * 2006-11-23 2008-06-04 Rolls-Royce Deutschland Ltd & Co KG Turbomaschinenschaufel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4961686A (en) * 1989-02-17 1990-10-09 General Electric Company F.O.D.-resistant blade
US5167489A (en) * 1991-04-15 1992-12-01 General Electric Company Forward swept rotor blade
US7204676B2 (en) * 2004-05-14 2007-04-17 Pratt & Whitney Canada Corp. Fan blade curvature distribution for high core pressure ratio fan

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431376A (en) * 1980-10-27 1984-02-14 United Technologies Corporation Airfoil shape for arrays of airfoils
US5525038A (en) * 1994-11-04 1996-06-11 United Technologies Corporation Rotor airfoils to control tip leakage flows
US6428281B1 (en) * 1999-08-18 2002-08-06 Snecma Moteurs Turbine vane with enhanced profile
DE102005042115A1 (de) * 2005-09-05 2007-03-08 Rolls-Royce Deutschland Ltd & Co Kg Schaufel einer Strömungsarbeitsmaschine mit blockweise definierter Profilskelettlinie
EP1927724A2 (de) * 2006-11-23 2008-06-04 Rolls-Royce Deutschland Ltd & Co KG Turbomaschinenschaufel

Also Published As

Publication number Publication date
EP2275643A2 (de) 2011-01-19
DE102009033593A1 (de) 2011-01-20
US20110014057A1 (en) 2011-01-20
EP2275643B1 (de) 2018-12-26
US8439646B2 (en) 2013-05-14

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