DE3316394C2 - - Google Patents

Info

Publication number
DE3316394C2
DE3316394C2 DE3316394A DE3316394A DE3316394C2 DE 3316394 C2 DE3316394 C2 DE 3316394C2 DE 3316394 A DE3316394 A DE 3316394A DE 3316394 A DE3316394 A DE 3316394A DE 3316394 C2 DE3316394 C2 DE 3316394C2
Authority
DE
Germany
Prior art keywords
flow
hollow chambers
arrangement according
damping
resonance
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
Application number
DE3316394A
Other languages
German (de)
English (en)
Other versions
DE3316394A1 (de
Inventor
Werner Dr. 2000 Hamburg De Lurz
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.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Priority to DE19833316394 priority Critical patent/DE3316394A1/de
Publication of DE3316394A1 publication Critical patent/DE3316394A1/de
Application granted granted Critical
Publication of DE3316394C2 publication Critical patent/DE3316394C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • F15D1/12—Influencing flow of fluids around bodies of solid material by influencing the boundary layer
    • 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
    • B63B1/36—Other means for varying the inherent hydrodynamic characteristics of hulls by reducing surface friction using mechanical means
    • 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
    • B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Laminated Bodies (AREA)
DE19833316394 1983-05-05 1983-05-05 Verfahren und einrichtung zur verminderung des widerstandes von umstroemten koerpern Granted DE3316394A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833316394 DE3316394A1 (de) 1983-05-05 1983-05-05 Verfahren und einrichtung zur verminderung des widerstandes von umstroemten koerpern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833316394 DE3316394A1 (de) 1983-05-05 1983-05-05 Verfahren und einrichtung zur verminderung des widerstandes von umstroemten koerpern

Publications (2)

Publication Number Publication Date
DE3316394A1 DE3316394A1 (de) 1984-11-08
DE3316394C2 true DE3316394C2 (enExample) 1989-08-24

Family

ID=6198206

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833316394 Granted DE3316394A1 (de) 1983-05-05 1983-05-05 Verfahren und einrichtung zur verminderung des widerstandes von umstroemten koerpern

Country Status (1)

Country Link
DE (1) DE3316394A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3444485A1 (de) * 1984-12-06 1986-06-12 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Verfahren und vorrichtung zur beeinflussung der stroemung an umstroemten koerpern
US8460779B2 (en) 2011-03-30 2013-06-11 General Electric Company Microstructures for reducing noise of a fluid dynamic structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2243213A1 (de) * 1971-09-01 1973-03-08 Nat Res Dev Vorrichtung zur unterdrueckung stroemungsinduzierter vibrationen

Also Published As

Publication number Publication date
DE3316394A1 (de) 1984-11-08

Similar Documents

Publication Publication Date Title
DE69108710T2 (de) Lärmdämpfende Wabenstruktur.
DE69403773T2 (de) Kohlenfaserverstaerkte platten
DE69028749T2 (de) Schalldämpfer
DE10347084A1 (de) Abstimmbare, den Schall absorbierende, und die Luft filternde Dämpfungseinrichtung
DE1032224B (de) Filtereinsatz aus einer Bahn aus poroesem Werkstoff fuer Fluessigkeiten und Gase
DE1946959A1 (de) Hohlladung mit Einlage progressiver oder degressiver Wandstaerke
DE1426209A1 (de) Auspuffrohr
DE102004013654A1 (de) Lufteinlassvorrichtung
DE2103397A1 (de) Einrichtung zur Lärmunterdrückung
DE3316394C2 (enExample)
DE60213542T2 (de) Bürstendichtungselement
DE2035403A1 (de) Schalldampfungseinnchtung fur Strahl düsen
DE1102371B (de) Einrichtung zur Verminderung des Geraeuschaustrittes aus Zwangsbelueftungsanlagen, bei denen als Ausblaseoeffnung eine Duese dient
DE69617096T2 (de) Schalldämpfer in Verbindung mit einerm Schraubenkompressor und Verwendung in einer Kokerei
DE2402902A1 (de) Schalldaempfung von fluidleitungen
DE858159C (de) Rohrkoerper oder Duese fuer den Durchgang eines relativ dazu mit UEberschallgeschwindigkeit bewegten Stroemungsmittels
DE69019133T2 (de) Akustische beschichtung.
DE2835181B1 (de) Filterelement zur Luft- und Gasreinigung
DE2303611A1 (de) Schalldaempfer
DE3738668C2 (enExample)
DE2653262C2 (de) Vorrichtung zum geräuscharmen Entspannen eines gasförmigen Mediums mit Hilfe von Drosselstrecken
DE3316393C2 (enExample)
AT115752B (de) Akustischer Schallkanal mit Dämpfer.
DE2028664A1 (en) Filter assembly - for land drainage pipes
EP1249332A1 (de) Vorrichtung zum Kühlen und Kalibrieren eines extrudierten Kunststoffprofils

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee