DE2125995A1 - Aerodynamisches oder hydrodynamisches Element - Google Patents

Aerodynamisches oder hydrodynamisches Element

Info

Publication number
DE2125995A1
DE2125995A1 DE19712125995 DE2125995A DE2125995A1 DE 2125995 A1 DE2125995 A1 DE 2125995A1 DE 19712125995 DE19712125995 DE 19712125995 DE 2125995 A DE2125995 A DE 2125995A DE 2125995 A1 DE2125995 A1 DE 2125995A1
Authority
DE
Germany
Prior art keywords
openings
curvature
belt
flow
lubricant
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.)
Pending
Application number
DE19712125995
Other languages
German (de)
English (en)
Inventor
G G Hirs
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.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Publication of DE2125995A1 publication Critical patent/DE2125995A1/de
Pending 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
    • F04D29/26—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
    • 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
    • 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
    • F01D5/148—Blades with variable camber, e.g. by ejection of fluid
    • 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
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Coating Apparatus (AREA)
DE19712125995 1970-05-29 1971-05-26 Aerodynamisches oder hydrodynamisches Element Pending DE2125995A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7007868A NL7007868A (enExample) 1970-05-29 1970-05-29

Publications (1)

Publication Number Publication Date
DE2125995A1 true DE2125995A1 (de) 1971-12-09

Family

ID=19810198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712125995 Pending DE2125995A1 (de) 1970-05-29 1971-05-26 Aerodynamisches oder hydrodynamisches Element

Country Status (6)

Country Link
US (1) US3734641A (enExample)
DE (1) DE2125995A1 (enExample)
FR (1) FR2090377B1 (enExample)
GB (1) GB1354026A (enExample)
NL (1) NL7007868A (enExample)
SE (1) SE375066B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072112B (en) 1980-03-20 1983-08-24 Austin K A Rotors utilising the magnus effect
NO850512L (no) * 1985-02-12 1986-08-13 Kjell Budal Innretninger for boelgekraftverk.
US8776705B2 (en) 2011-08-31 2014-07-15 Poulsen Hybrid, Llc Magnus rotor ship propulsion system
CN106151182A (zh) * 2015-04-21 2016-11-23 水科远大(北京）交通设计院有限公司 导流构型

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US18122A (en) * 1857-09-01 Head-best for railroad-car
DE552566C (de) * 1932-06-15 Rudolf Zedler Amphibienfahrgestell fuer Flugmaschinen
CH112318A (de) * 1924-11-18 1925-12-16 Otfried Marquardt Vorrichtung zur Erzeugung von Auftrieb bei Flugzeugen.
FR679434A (fr) * 1928-08-03 1930-04-12 Couverture roulante pour aéroplanes
FR726091A (fr) * 1931-01-17 1932-05-23 Nouvelle aile pour avions

Also Published As

Publication number Publication date
GB1354026A (en) 1974-06-05
SE375066B (enExample) 1975-04-07
US3734641A (en) 1973-05-22
FR2090377A1 (enExample) 1972-01-14
NL7007868A (enExample) 1971-12-01
FR2090377B1 (enExample) 1976-02-06

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