DE3779961T2 - Grenzschichtdurchflussregelung. - Google Patents

Grenzschichtdurchflussregelung.

Info

Publication number
DE3779961T2
DE3779961T2 DE8787304579T DE3779961T DE3779961T2 DE 3779961 T2 DE3779961 T2 DE 3779961T2 DE 8787304579 T DE8787304579 T DE 8787304579T DE 3779961 T DE3779961 T DE 3779961T DE 3779961 T2 DE3779961 T2 DE 3779961T2
Authority
DE
Germany
Prior art keywords
flow control
layer flow
limit layer
limit
control
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.)
Expired - Fee Related
Application number
DE8787304579T
Other languages
English (en)
Other versions
DE3779961D1 (de
Inventor
Anthony Mark Savill
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
Priority claimed from GB868612487A external-priority patent/GB8612487D0/en
Priority claimed from GB878706554A external-priority patent/GB8706554D0/en
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Application granted granted Critical
Publication of DE3779961D1 publication Critical patent/DE3779961D1/de
Publication of DE3779961T2 publication Critical patent/DE3779961T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
    • B63B1/34—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/10—Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/26—Boundary layer controls by using rib lets or hydrophobic surfaces
    • 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
    • Y02T50/10—Drag reduction
    • 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
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE8787304579T 1986-05-22 1987-05-22 Grenzschichtdurchflussregelung. Expired - Fee Related DE3779961T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868612487A GB8612487D0 (en) 1986-05-22 1986-05-22 Boundary layer flow control
GB878706554A GB8706554D0 (en) 1987-03-19 1987-03-19 Boundary layer devices

Publications (2)

Publication Number Publication Date
DE3779961D1 DE3779961D1 (de) 1992-07-30
DE3779961T2 true DE3779961T2 (de) 1992-12-10

Family

ID=26290804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787304579T Expired - Fee Related DE3779961T2 (de) 1986-05-22 1987-05-22 Grenzschichtdurchflussregelung.

Country Status (2)

Country Link
EP (1) EP0246916B1 (de)
DE (1) DE3779961T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8706554D0 (en) * 1987-03-19 1987-04-23 Rolls Royce Plc Boundary layer devices
GB2209727B (en) * 1987-09-16 1991-10-30 Francis John Mcvey Device for use in flying
GB9206999D0 (en) * 1992-03-31 1992-05-13 Rolls Royce Plc Control of fluid flow
CN104613056A (zh) * 2015-01-21 2015-05-13 北京超微上达科技有限公司 一种人字形结构的仿生减阻表面
US11156099B2 (en) 2017-03-28 2021-10-26 General Electric Company Turbine engine airfoil with a modified leading edge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986496A (en) * 1985-05-31 1991-01-22 Minnesota Mining And Manufacturing Drag reduction article
DE3534293A1 (de) * 1985-09-26 1987-04-02 Messerschmitt Boelkow Blohm Einrichtung zur verringerung des reibungswiderstandes

Also Published As

Publication number Publication date
EP0246916A1 (de) 1987-11-25
DE3779961D1 (de) 1992-07-30
EP0246916B1 (de) 1992-06-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee