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GB0008471D0 - Gas turbine engine noise suppression - Google Patents

Gas turbine engine noise suppression

Info

Publication number
GB0008471D0
GB0008471D0 GBGB0008471.5A GB0008471A GB0008471D0 GB 0008471 D0 GB0008471 D0 GB 0008471D0 GB 0008471 A GB0008471 A GB 0008471A GB 0008471 D0 GB0008471 D0 GB 0008471D0
Authority
GB
United Kingdom
Prior art keywords
gas turbine
turbine engine
noise suppression
engine noise
suppression
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.)
Withdrawn
Application number
GBGB0008471.5A
Other versions
GB2361035A (en
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 PLC
Original Assignee
Rolls Royce PLC
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 PLC filed Critical Rolls Royce PLC
Priority to GB0008471A priority Critical patent/GB2361035A/en
Publication of GB0008471D0 publication Critical patent/GB0008471D0/en
Publication of GB2361035A publication Critical patent/GB2361035A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB0008471A 2000-04-07 2000-04-07 Gas turbine engine vane with noise attenuation features Withdrawn GB2361035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0008471A GB2361035A (en) 2000-04-07 2000-04-07 Gas turbine engine vane with noise attenuation features

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0008471A GB2361035A (en) 2000-04-07 2000-04-07 Gas turbine engine vane with noise attenuation features

Publications (2)

Publication Number Publication Date
GB0008471D0 true GB0008471D0 (en) 2000-05-24
GB2361035A GB2361035A (en) 2001-10-10

Family

ID=9889350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0008471A Withdrawn GB2361035A (en) 2000-04-07 2000-04-07 Gas turbine engine vane with noise attenuation features

Country Status (1)

Country Link
GB (1) GB2361035A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7018172B2 (en) * 2003-12-22 2006-03-28 United Technologies Corporation Airfoil surface impedance modification for noise reduction in turbofan engines
DE102004017096A1 (en) * 2004-04-07 2005-10-27 Mtu Aero Engines Gmbh Strut for a turbine engine
DE102006042647A1 (en) 2006-09-12 2008-03-27 Mtu Aero Engines Gmbh Turbine of a gas turbine
FR2911923B1 (en) * 2007-01-25 2011-07-08 Snecma ACOUSTIC RECTIFIER FOR TURBOREACTOR BLOWER CASING
US7607287B2 (en) 2007-05-29 2009-10-27 United Technologies Corporation Airfoil acoustic impedance control
JP6356801B2 (en) * 2013-11-14 2018-07-11 ゼネラル・エレクトリック・カンパニイ Turbine component with negative CTE characteristics
GB201707836D0 (en) 2017-05-16 2017-06-28 Oscar Propulsion Ltd Outlet guide vanes
EP3799030A1 (en) * 2019-09-26 2021-03-31 Rolls-Royce Deutschland Ltd & Co KG Acoustic liner and gas turbine engine with such acoustic liner
US11199107B2 (en) 2020-04-13 2021-12-14 Raytheon Technologies Corporation Airfoil-mounted resonator
US11566564B2 (en) 2020-07-08 2023-01-31 Raytheon Technologies Corporation Acoustically treated panels
US11230928B1 (en) 2020-07-22 2022-01-25 Raytheon Technologies Corporation Guide vane with truss structure and honeycomb
US11512608B2 (en) 2020-08-14 2022-11-29 Raytheon Technologies Corporation Passive transpirational flow acoustically lined guide vane
US11408349B2 (en) 2020-08-14 2022-08-09 Raytheon Technologies Corporation Active flow control transpirational flow acoustically lined guide vane
US12118971B2 (en) 2021-05-12 2024-10-15 B/E Aerospace, Inc. Aircraft acoustic panel
US11804206B2 (en) 2021-05-12 2023-10-31 Goodrich Corporation Acoustic panel for noise attenuation
US12104536B2 (en) 2021-05-12 2024-10-01 Rohr, Inc. Nacelle liner comprising unit cell resonator networks
US11830467B2 (en) 2021-10-16 2023-11-28 Rtx Coroporation Unit cell resonator networks for turbomachinery bypass flow structures
US11781485B2 (en) 2021-11-24 2023-10-10 Rtx Corporation Unit cell resonator networks for gas turbine combustor tone damping
US11965425B2 (en) 2022-05-31 2024-04-23 General Electric Company Airfoil for a turbofan engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1350686A (en) * 1970-09-04 1974-04-18 Gen Electric Aircraft gas turbine engines
GB1522558A (en) * 1976-04-05 1978-08-23 Rolls Royce Duct linings
GB2026622A (en) * 1978-07-08 1980-02-06 Rolls Royce Blade for Fluid Flow Machine
US4235303A (en) * 1978-11-20 1980-11-25 The Boeing Company Combination bulk absorber-honeycomb acoustic panels
US5810552A (en) * 1992-02-18 1998-09-22 Allison Engine Company, Inc. Single-cast, high-temperature, thin wall structures having a high thermal conductivity member connecting the walls and methods of making the same
US5626462A (en) * 1995-01-03 1997-05-06 General Electric Company Double-wall airfoil

Also Published As

Publication number Publication date
GB2361035A (en) 2001-10-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)