WO2013155187A8 - Turbine à fluide carénée ayant des éléments d'excitation de couche limite - Google Patents

Turbine à fluide carénée ayant des éléments d'excitation de couche limite Download PDF

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Publication number
WO2013155187A8
WO2013155187A8 PCT/US2013/035980 US2013035980W WO2013155187A8 WO 2013155187 A8 WO2013155187 A8 WO 2013155187A8 US 2013035980 W US2013035980 W US 2013035980W WO 2013155187 A8 WO2013155187 A8 WO 2013155187A8
Authority
WO
WIPO (PCT)
Prior art keywords
ringed
airfoils
fluid
boundary layer
rotor assembly
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.)
Ceased
Application number
PCT/US2013/035980
Other languages
English (en)
Other versions
WO2013155187A1 (fr
Inventor
Rune Rubak
Carsten H. WESTERGAARD
Søren HJORT
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.)
Ogin Inc
Original Assignee
Ogin Inc
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 Ogin Inc filed Critical Ogin Inc
Priority to CA2870290A priority Critical patent/CA2870290A1/fr
Priority to EP13718019.6A priority patent/EP2836700A1/fr
Priority to CN201380030365.2A priority patent/CN104395601A/zh
Publication of WO2013155187A1 publication Critical patent/WO2013155187A1/fr
Anticipated expiration legal-status Critical
Publication of WO2013155187A8 publication Critical patent/WO2013155187A8/fr
Ceased legal-status Critical Current

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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • F01D1/04—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially axially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/122—Vortex generators, turbulators, or the like, for mixing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/123—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/123—Nozzles
    • F05B2240/1231—Plug nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/124—Cascades, i.e. assemblies of similar profiles acting in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F05B2240/133—Stators to collect or cause flow towards or away from turbines with a convergent-divergent guiding structure, e.g. a Venturi conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/10—Geometry two-dimensional
    • F05B2250/18—Geometry two-dimensional patterned
    • F05B2250/182—Geometry two-dimensional patterned crenellated, notched
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

La présente invention porte sur des turbines à fluide ayant un ensemble carénage de turbine formé d'éléments mélangeurs (par exemple, des éléments qui se recourbent vers l'intérieur et vers l'extérieur), dont les sections transversales sont des profils aérodynamiques. Ces profils aérodynamiques forment des formes de profils aérodynamiques en anneau qui constituent un moyen de commande de l'écoulement de fluide sur l'ensemble rotor ou sur des parties de l'ensemble rotor. La performance de dynamique de fluide des profils aérodynamiques en anneau agit directement sur la performance de l'ensemble rotor de turbine. La masse et la surface des carénages a pour résultat des forces de charge agissant sur les structures de support. En retardant ou en éliminant le décollement de la couche limite sur les profils aérodynamiques en anneau, des éléments d'excitation de couche limite (par exemple, des générateurs de tourbillon, des orifices de commande d'écoulement) sur les profils aérodynamiques en anneau augmentent la sortie de puissance du système de turbine à fluide et permettent d'adopter des sections transversales de profil aérodynamique à longueur de corde relativement plus courte et, par conséquent, d'obtenir une réduction de la masse et de la surface des ensembles carénages.
PCT/US2013/035980 2012-04-10 2013-04-10 Turbine à fluide carénée ayant des éléments d'excitation de couche limite Ceased WO2013155187A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2870290A CA2870290A1 (fr) 2012-04-10 2013-04-10 Turbine a fluide carenee ayant des elements d'excitation de couche limite
EP13718019.6A EP2836700A1 (fr) 2012-04-10 2013-04-10 Turbine à fluide carénée ayant des éléments d'excitation de couche limite
CN201380030365.2A CN104395601A (zh) 2012-04-10 2013-04-10 带有边界层激励元件的护罩式流体涡轮机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261622294P 2012-04-10 2012-04-10
US61/622,294 2012-04-10

Publications (2)

Publication Number Publication Date
WO2013155187A1 WO2013155187A1 (fr) 2013-10-17
WO2013155187A8 true WO2013155187A8 (fr) 2014-10-30

Family

ID=48143647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2013/035980 Ceased WO2013155187A1 (fr) 2012-04-10 2013-04-10 Turbine à fluide carénée ayant des éléments d'excitation de couche limite

Country Status (5)

Country Link
US (1) US20130266439A1 (fr)
EP (1) EP2836700A1 (fr)
CN (1) CN104395601A (fr)
CA (1) CA2870290A1 (fr)
WO (1) WO2013155187A1 (fr)

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US10145301B2 (en) 2014-09-23 2018-12-04 Pratt & Whitney Canada Corp. Gas turbine engine inlet
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Also Published As

Publication number Publication date
EP2836700A1 (fr) 2015-02-18
CN104395601A (zh) 2015-03-04
CA2870290A1 (fr) 2013-10-17
WO2013155187A1 (fr) 2013-10-17
US20130266439A1 (en) 2013-10-10

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