DE69127860T2 - Verfahren zur Steuerung der Wirbelbildung - Google Patents

Verfahren zur Steuerung der Wirbelbildung

Info

Publication number
DE69127860T2
DE69127860T2 DE69127860T DE69127860T DE69127860T2 DE 69127860 T2 DE69127860 T2 DE 69127860T2 DE 69127860 T DE69127860 T DE 69127860T DE 69127860 T DE69127860 T DE 69127860T DE 69127860 T2 DE69127860 T2 DE 69127860T2
Authority
DE
Germany
Prior art keywords
medium
energy
vortex formation
disturbance
flow
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
DE69127860T
Other languages
English (en)
Other versions
DE69127860D1 (de
Inventor
Evgeny Levich
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.)
Ormat Industries Ltd
Original Assignee
Ormat Industries Ltd
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 Ormat Industries Ltd filed Critical Ormat Industries Ltd
Publication of DE69127860D1 publication Critical patent/DE69127860D1/de
Application granted granted Critical
Publication of DE69127860T2 publication Critical patent/DE69127860T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/38—Range-increasing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Gas Separation By Absorption (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Flow Control (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
DE69127860T 1990-07-09 1991-07-09 Verfahren zur Steuerung der Wirbelbildung Expired - Fee Related DE69127860T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55002090A 1990-07-09 1990-07-09

Publications (2)

Publication Number Publication Date
DE69127860D1 DE69127860D1 (de) 1997-11-13
DE69127860T2 true DE69127860T2 (de) 1998-04-30

Family

ID=24195403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127860T Expired - Fee Related DE69127860T2 (de) 1990-07-09 1991-07-09 Verfahren zur Steuerung der Wirbelbildung

Country Status (9)

Country Link
US (1) US5354017A (de)
EP (1) EP0466468B1 (de)
JP (1) JPH06241213A (de)
KR (1) KR100194909B1 (de)
AT (1) ATE159083T1 (de)
DE (1) DE69127860T2 (de)
IL (1) IL98740A (de)
RU (1) RU2085764C1 (de)
UA (1) UA26128A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5860807A (en) * 1996-04-22 1999-01-19 The United States Of America As Represented By The National Aeronautics And Space Administration System and method for finite element simulation of helicopter turbulence
US5833389A (en) 1996-12-09 1998-11-10 Orlev Scientific Computing Ltd. Apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields
DE19844490A1 (de) * 1998-09-29 2000-04-27 Kos Hans Juergen Vorrichtungen zur Beeinflussung der laminaren Grenzschichtströmung in strömenden Gasen
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
US20040149156A1 (en) * 2003-02-03 2004-08-05 Yi Henry Niuer Tornadoes dynamic teardown system (TDTS)
US20050039626A1 (en) * 2003-02-03 2005-02-24 Henry Yi Dynamic tornado teardown system
US20100276533A1 (en) * 2005-12-31 2010-11-04 Matteo Bonifacio Gravina Thermal Energy Radiance Expander
US8153943B2 (en) * 2008-07-03 2012-04-10 Nelson Riley H Tornado detection network
US9228785B2 (en) 2010-05-04 2016-01-05 Alexander Poltorak Fractal heat transfer device
US9550586B2 (en) * 2013-06-24 2017-01-24 Charl E. Janeke Apparatus and methods for hypersonic stochastic switch
WO2015089222A2 (en) * 2013-12-12 2015-06-18 The Regents Of The University Of California Method for post-processing flow-sensitive phase contrast magnetic resonance images
EP3485215B1 (de) 2016-07-12 2023-06-07 Alexander Poltorak System und verfahren zur bewahrung der effizienz eines kühlkörpers
RU2676834C1 (ru) * 2017-09-12 2019-01-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) Способ устранения турбулентности в течениях с вращением
CN113153868B (zh) * 2021-03-17 2022-12-09 太原理工大学 一种增强湍流工业流体稳健性的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446464A (en) * 1967-03-09 1969-05-27 William A Donald Method and apparatus for reducing sonic waves and aerodynamic drag
US3510094A (en) * 1967-12-11 1970-05-05 James Clark Method and means for reducing the skin friction of bodies moving in a fluid medium
US3598081A (en) * 1968-11-29 1971-08-10 Advanced Technology Center Inc Pneumatic sound generator
DE1956760C3 (de) * 1969-11-12 1974-02-07 Dornier System Gmbh, 7990 Friedrichshafen Einrichtung zur Beeinflussung der Grenzschicht eines Strömungsmittels
US3662554A (en) * 1970-02-19 1972-05-16 Axel De Broqueville Electromagnetic propulsion device for use in the forward part of a moving body
DE3228939C1 (de) * 1982-08-03 1983-11-24 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren und Einrichtung zur Beeinflussung der Grenzschicht von umstroemten Koerpern
US4932610A (en) * 1986-03-11 1990-06-12 The United States Of America As Represented By The United States National Aeronautics And Space Administration Active control of boundary layer transition and turbulence
GB8706554D0 (en) * 1987-03-19 1987-04-23 Rolls Royce Plc Boundary layer devices
US4741498A (en) * 1986-09-11 1988-05-03 Northrop Corporation Ultrasonic drag reduction and lift increase
US4802642A (en) * 1986-10-14 1989-02-07 The Boeing Company Control of laminar flow in fluids by means of acoustic energy

Also Published As

Publication number Publication date
RU2085764C1 (ru) 1997-07-27
EP0466468B1 (de) 1997-10-08
UA26128A (uk) 1999-06-07
EP0466468A3 (en) 1992-03-04
DE69127860D1 (de) 1997-11-13
US5354017A (en) 1994-10-11
ATE159083T1 (de) 1997-10-15
EP0466468A2 (de) 1992-01-15
IL98740A (en) 1997-02-18
JPH06241213A (ja) 1994-08-30
IL98740A0 (en) 1992-07-15
KR100194909B1 (ko) 1999-06-15
KR920002426A (ko) 1992-02-28

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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