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GB2471152B - Use of bowed nozzle vanes to reduce acoustic signature - Google Patents

Use of bowed nozzle vanes to reduce acoustic signature

Info

Publication number
GB2471152B
GB2471152B GB1004345.3A GB201004345A GB2471152B GB 2471152 B GB2471152 B GB 2471152B GB 201004345 A GB201004345 A GB 201004345A GB 2471152 B GB2471152 B GB 2471152B
Authority
GB
United Kingdom
Prior art keywords
bowed
acoustic signature
nozzle vanes
reduce acoustic
reduce
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
GB1004345.3A
Other versions
GB2471152A (en
GB201004345D0 (en
Inventor
Andrew Tecza Joseph
Samuel Rashid Stephen
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.)
Dresser Rand Co
Original Assignee
Dresser Rand Co
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 Dresser Rand Co filed Critical Dresser Rand Co
Publication of GB201004345D0 publication Critical patent/GB201004345D0/en
Publication of GB2471152A publication Critical patent/GB2471152A/en
Application granted granted Critical
Publication of GB2471152B publication Critical patent/GB2471152B/en
Active 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
    • 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
    • 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
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • 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
    • 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
    • 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
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/16—Two-dimensional parabolic
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geometry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1004345.3A 2009-06-17 2010-03-16 Use of bowed nozzle vanes to reduce acoustic signature Active GB2471152B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18792909P 2009-06-17 2009-06-17

Publications (3)

Publication Number Publication Date
GB201004345D0 GB201004345D0 (en) 2010-04-28
GB2471152A GB2471152A (en) 2010-12-22
GB2471152B true GB2471152B (en) 2016-08-10

Family

ID=42261653

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1004345.3A Active GB2471152B (en) 2009-06-17 2010-03-16 Use of bowed nozzle vanes to reduce acoustic signature

Country Status (1)

Country Link
GB (1) GB2471152B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT521637B1 (en) * 2018-08-14 2021-05-15 Andritz Ag Maschf GUIDE VANE FOR A HYDRAULIC FLOW MACHINE
US11713679B1 (en) * 2022-01-27 2023-08-01 Raytheon Technologies Corporation Tangentially bowed airfoil

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470755A (en) * 1981-05-05 1984-09-11 Alsthom-Atlantique Guide blade set for diverging jet streams in a steam turbine
JPH0777009A (en) * 1993-09-09 1995-03-20 Hitachi Ltd Stator blade of axial-flow turbo machine
EP0980960A2 (en) * 1998-08-20 2000-02-23 General Electric Company Bowed nozzle vane with selective thermal barrier coating
EP1098092A2 (en) * 1999-11-05 2001-05-09 General Electric Company Stator blade
US6398489B1 (en) * 2001-02-08 2002-06-04 General Electric Company Airfoil shape for a turbine nozzle
JP2003028097A (en) * 2001-07-17 2003-01-29 Mitsubishi Heavy Ind Ltd Axial compressor and gas turbine
EP1710397A2 (en) * 2005-03-31 2006-10-11 Kabushiki Kaisha Toshiba Bowed nozzle vane
US20080152504A1 (en) * 2006-12-22 2008-06-26 Scott Andrew Burton Gas turbine engines including lean stator vanes and methods of assembling the same
WO2008123846A1 (en) * 2007-04-03 2008-10-16 Carrier Corporation Outlet guide vanes for axial flow fans

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470755A (en) * 1981-05-05 1984-09-11 Alsthom-Atlantique Guide blade set for diverging jet streams in a steam turbine
JPH0777009A (en) * 1993-09-09 1995-03-20 Hitachi Ltd Stator blade of axial-flow turbo machine
EP0980960A2 (en) * 1998-08-20 2000-02-23 General Electric Company Bowed nozzle vane with selective thermal barrier coating
EP1098092A2 (en) * 1999-11-05 2001-05-09 General Electric Company Stator blade
US6398489B1 (en) * 2001-02-08 2002-06-04 General Electric Company Airfoil shape for a turbine nozzle
JP2003028097A (en) * 2001-07-17 2003-01-29 Mitsubishi Heavy Ind Ltd Axial compressor and gas turbine
EP1710397A2 (en) * 2005-03-31 2006-10-11 Kabushiki Kaisha Toshiba Bowed nozzle vane
US20080152504A1 (en) * 2006-12-22 2008-06-26 Scott Andrew Burton Gas turbine engines including lean stator vanes and methods of assembling the same
WO2008123846A1 (en) * 2007-04-03 2008-10-16 Carrier Corporation Outlet guide vanes for axial flow fans

Also Published As

Publication number Publication date
GB2471152A (en) 2010-12-22
GB201004345D0 (en) 2010-04-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20180329 AND 20180404