ATE338681T1 - Mit oberflächenkavitäten versehener aerodynamischer körper - Google Patents

Mit oberflächenkavitäten versehener aerodynamischer körper

Info

Publication number
ATE338681T1
ATE338681T1 AT01274423T AT01274423T ATE338681T1 AT E338681 T1 ATE338681 T1 AT E338681T1 AT 01274423 T AT01274423 T AT 01274423T AT 01274423 T AT01274423 T AT 01274423T AT E338681 T1 ATE338681 T1 AT E338681T1
Authority
AT
Austria
Prior art keywords
cavity
front edge
aerodynamic body
airfoil
surface cavities
Prior art date
Application number
AT01274423T
Other languages
English (en)
Inventor
Fausto Gamma
Enrico Sciubba
Domenico Zingaro
Original Assignee
Uni Degli Studi Di Roma Sla Sa
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 Uni Degli Studi Di Roma Sla Sa filed Critical Uni Degli Studi Di Roma Sla Sa
Application granted granted Critical
Publication of ATE338681T1 publication Critical patent/ATE338681T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/06—Boundary layer controls by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/08—Boundary layer controls by influencing fluid flow by means of surface cavities, i.e. net fluid flow is null
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/24—Boundary layer controls by using passive resonance cavities, e.g. without transducers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Laminated Bodies (AREA)
AT01274423T 2001-08-10 2001-12-04 Mit oberflächenkavitäten versehener aerodynamischer körper ATE338681T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001RM000501A ITRM20010501A1 (it) 2001-08-10 2001-08-10 Corpo aerodinamico provvisto di cavita' superficiali.

Publications (1)

Publication Number Publication Date
ATE338681T1 true ATE338681T1 (de) 2006-09-15

Family

ID=11455736

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01274423T ATE338681T1 (de) 2001-08-10 2001-12-04 Mit oberflächenkavitäten versehener aerodynamischer körper

Country Status (5)

Country Link
EP (1) EP1425217B1 (de)
AT (1) ATE338681T1 (de)
DE (1) DE60122942T2 (de)
IT (1) ITRM20010501A1 (de)
WO (1) WO2003013957A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6945031B2 (en) 2003-02-21 2005-09-20 The Nordam Group, Inc. Recessed engine nacelle
RU2008127249A (ru) * 2005-12-06 2010-01-20 ДиАэС Дрэг Ридакшн Систимз СА (MU) Устройство для уменьшения лобового сопротивления и транспортное средство, трубопровод или патрубок, неподвижная конструкция или сооружение с его использованием
CH702593A2 (de) * 2010-01-28 2011-07-29 Marco Feusi Körper mit einer Oberflächenstruktur zur Verringerung eines Strömungswiderstands des Körpers in einem Fluid.
US9308987B1 (en) 2014-05-15 2016-04-12 The Curators Of The University Of Missouri Drag reduction utilizing driven micro-cavities
US9340281B2 (en) 2014-07-31 2016-05-17 The Boeing Company Submerged vortex generator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2051956A5 (de) * 1969-07-02 1971-04-09 Bertin & Cie
US3774867A (en) * 1972-06-27 1973-11-27 Us Air Force Acoustic wing stall delaying device
US4619423A (en) * 1983-11-10 1986-10-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Geometries for roughness shapes in laminar flow
JP2000199505A (ja) * 1999-01-07 2000-07-18 Funagata Kagaku Kenkyusho:Kk 物体の流体摩擦抵抗低減装置

Also Published As

Publication number Publication date
DE60122942D1 (de) 2006-10-19
DE60122942T2 (de) 2007-06-06
ITRM20010501A1 (it) 2003-02-10
WO2003013957A1 (en) 2003-02-20
EP1425217A1 (de) 2004-06-09
ITRM20010501A0 (it) 2001-08-10
EP1425217B1 (de) 2006-09-06

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties