NL2034681B1 - Multi-scale flow control friction drag reduction device in turbulent boundary layer and manfacturing method - Google Patents

Multi-scale flow control friction drag reduction device in turbulent boundary layer and manfacturing method Download PDF

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Publication number
NL2034681B1
NL2034681B1 NL2034681A NL2034681A NL2034681B1 NL 2034681 B1 NL2034681 B1 NL 2034681B1 NL 2034681 A NL2034681 A NL 2034681A NL 2034681 A NL2034681 A NL 2034681A NL 2034681 B1 NL2034681 B1 NL 2034681B1
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NL
Netherlands
Prior art keywords
mold
dbd
strip
shaped
riblets
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NL2034681A
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English (en)
Dutch (nl)
Other versions
NL2034681A (en
Inventor
Pan Chong
Cheng Zepeng
Wang Jinjun
Zhang Yi
Xu Yang
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Univ Beihang
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Publication of NL2034681A publication Critical patent/NL2034681A/en
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Publication of NL2034681B1 publication Critical patent/NL2034681B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C21/00Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/10Influencing air flow over aircraft surfaces by affecting boundary layer flow using other surface properties, e.g. roughness
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00Influencing flow of fluids
    • F15D1/10Influencing flow of fluids around bodies of solid material
    • F15D1/12Influencing flow of fluids around bodies of solid material by influencing the boundary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C1/00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/0009Aerodynamic aspects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C23/00Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/005Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C23/00Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/06Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/10Manufacturing or assembling aircraft, e.g. jigs therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00Influencing flow of fluids
    • F15D1/002Influencing flow of fluids by influencing the boundary layer
    • F15D1/0025Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
    • F15D1/003Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
    • F15D1/0035Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets
    • F15D1/004Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions in the form of riblets oriented essentially parallel to the direction of flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00Influencing flow of fluids
    • F15D1/002Influencing flow of fluids by influencing the boundary layer
    • F15D1/0065Influencing flow of fluids by influencing the boundary layer using active means, e.g. supplying external energy or injecting fluid
    • F15D1/0075Influencing flow of fluids by influencing the boundary layer using active means, e.g. supplying external energy or injecting fluid comprising electromagnetic or electrostatic means for influencing the state of the fluid, e.g. for ionising the fluid or for generating a plasma
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00Influencing flow of fluids
    • F15D1/002Influencing flow of fluids by influencing the boundary layer
    • F15D1/0085Methods of making characteristic surfaces for influencing the boundary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C2230/00Boundary layer controls
    • B64C2230/12Boundary layer controls by using electromagnetic tiles, fluid ionizers, static charges or plasma
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C2230/00Boundary layer controls
    • B64C2230/26Boundary layer controls by using rib lets or hydrophobic surfaces
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/10Drag reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Plasma Technology (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
NL2034681A 2022-04-25 2023-04-25 Multi-scale flow control friction drag reduction device in turbulent boundary layer and manfacturing method NL2034681B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210439154.5A CN114810742B (zh) 2022-04-25 2022-04-25 一种多尺度流动控制的减摩阻装置及制造方法

Publications (2)

Publication Number Publication Date
NL2034681A NL2034681A (en) 2023-11-07
NL2034681B1 true NL2034681B1 (en) 2024-03-01

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NL2034681A NL2034681B1 (en) 2022-04-25 2023-04-25 Multi-scale flow control friction drag reduction device in turbulent boundary layer and manfacturing method

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CN (1) CN114810742B (zh)
NL (1) NL2034681B1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116534246B (zh) * 2023-07-05 2023-09-12 中国空气动力研究与发展中心计算空气动力研究所 一种流向涡调制装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69416970T2 (de) * 1993-12-15 1999-10-14 Mitsubishi Jukogyo K.K. Vorrichtung zur Dämpfung des, durch die Strömung einer Flüssigkeit, erzeugten Geräusches
WO2010014924A1 (en) * 2008-07-31 2010-02-04 Bell Helicopter Textron Inc. System and method for aerodynamic flow control
US10611468B2 (en) * 2006-09-08 2020-04-07 Steven Sullivan Method and apparatus for mitigating trailing vortex wakes of lifting or thrust generating bodies
US8220754B2 (en) * 2009-06-03 2012-07-17 Lockheed Martin Corporation Plasma enhanced riblet
US8460779B2 (en) * 2011-03-30 2013-06-11 General Electric Company Microstructures for reducing noise of a fluid dynamic structure
CN203222109U (zh) * 2013-04-18 2013-10-02 北京航空航天大学 等离子体涡流发生器
CN103287575B (zh) * 2013-06-07 2016-01-13 上海交通大学 基于等离子体激励装置实现的减少表面阻力的方法
CN203743140U (zh) * 2014-02-23 2014-07-30 中国科学院工程热物理研究所 一种减阻肋条

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CN114810742A (zh) 2022-07-29
CN114810742B (zh) 2023-04-28
NL2034681A (en) 2023-11-07

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