CA2827566C - Surface portante avec allongement des ailes pour turbine a gaz - Google Patents

Surface portante avec allongement des ailes pour turbine a gaz Download PDF

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Publication number
CA2827566C
CA2827566C CA2827566A CA2827566A CA2827566C CA 2827566 C CA2827566 C CA 2827566C CA 2827566 A CA2827566 A CA 2827566A CA 2827566 A CA2827566 A CA 2827566A CA 2827566 C CA2827566 C CA 2827566C
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Canada
Prior art keywords
tip
thickness
airfoil
compressor rotor
tip extension
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
Application number
CA2827566A
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English (en)
Other versions
CA2827566A1 (fr
Inventor
Sean Rockarts
Peter Townsend
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.)
Pratt and Whitney Canada Corp
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Pratt and Whitney Canada Corp
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 Pratt and Whitney Canada Corp filed Critical Pratt and Whitney Canada Corp
Priority to CA2827566A priority Critical patent/CA2827566C/fr
Publication of CA2827566A1 publication Critical patent/CA2827566A1/fr
Application granted granted Critical
Publication of CA2827566C publication Critical patent/CA2827566C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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

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

Il est décrit une surface portante possédant une efficacité accrue pour une aube de rotor ou une aube de stator dune turbine à gaz ayant une rallonge de pointe prolongeant lune ou lautre des surfaces adjacentes à la pointe, cest-à-dire la surface du côté refoulement et la surface du côté aspiration, ou les deux. La rallonge de pointe définit une épaisseur à la pointe plus importante que la véritable épaisseur de la surface portante. La rallonge de pointe comprend une surface latérale de transition essentiellement définie le long dune courbe qui sétend tangentiellement à partir de la surface latérale correspondante. La rallonge de pointe définit une augmentation progressive dans lépaisseur sur une partie de la surface portante ayant une dimension radiale correspondant à au moins deux fois la véritable épaisseur.
CA2827566A 2013-09-17 2013-09-17 Surface portante avec allongement des ailes pour turbine a gaz Active CA2827566C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2827566A CA2827566C (fr) 2013-09-17 2013-09-17 Surface portante avec allongement des ailes pour turbine a gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2827566A CA2827566C (fr) 2013-09-17 2013-09-17 Surface portante avec allongement des ailes pour turbine a gaz

Publications (2)

Publication Number Publication Date
CA2827566A1 CA2827566A1 (fr) 2015-03-17
CA2827566C true CA2827566C (fr) 2022-07-26

Family

ID=52686598

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2827566A Active CA2827566C (fr) 2013-09-17 2013-09-17 Surface portante avec allongement des ailes pour turbine a gaz

Country Status (1)

Country Link
CA (1) CA2827566C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3477059A1 (fr) * 2017-10-26 2019-05-01 Siemens Aktiengesellschaft Surface portante de compresseur

Also Published As

Publication number Publication date
CA2827566A1 (fr) 2015-03-17

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