CA2169230A1 - Method of and apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields - Google Patents
Method of and apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fieldsInfo
- Publication number
- CA2169230A1 CA2169230A1 CA002169230A CA2169230A CA2169230A1 CA 2169230 A1 CA2169230 A1 CA 2169230A1 CA 002169230 A CA002169230 A CA 002169230A CA 2169230 A CA2169230 A CA 2169230A CA 2169230 A1 CA2169230 A1 CA 2169230A1
- Authority
- CA
- Canada
- Prior art keywords
- wall
- flow
- turbulence
- mechanical systems
- turbulent
- 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.)
- Abandoned
Links
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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
-
- 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
- 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
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
- B64C23/005—Influencing 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
-
- 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
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/003—Influencing 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/02—Boundary layer controls by using acoustic waves generated by 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0391—Affecting flow by the addition of material or energy
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
- Y10T137/218—Means to regulate or vary operation of device
- Y10T137/2191—By non-fluid energy field affecting input [e.g., transducer]
- Y10T137/2196—Acoustical or thermal energy
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
- Y10T137/2224—Structure of body of device
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38756795A | 1995-02-13 | 1995-02-13 | |
| US08/387567 | 1995-02-13 | ||
| US39338195A | 1995-02-23 | 1995-02-23 | |
| US08/393381 | 1995-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2169230A1 true CA2169230A1 (en) | 1996-08-14 |
Family
ID=27011934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002169230A Abandoned CA2169230A1 (en) | 1995-02-13 | 1996-02-09 | Method of and apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5797414A (en, 2012) |
| EP (1) | EP0726398B1 (en, 2012) |
| KR (1) | KR960031829A (en, 2012) |
| CA (1) | CA2169230A1 (en, 2012) |
| DE (1) | DE69616103T2 (en, 2012) |
| IL (1) | IL117119A (en, 2012) |
| IN (1) | IN186816B (en, 2012) |
| RU (1) | RU2159363C2 (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142012A1 (en) * | 2009-06-08 | 2010-12-16 | Humano Water Corporation | Atmospheric water generator |
Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US6371414B1 (en) | 1999-07-16 | 2002-04-16 | Lockheed Martin Corporation | System and method for manipulating and controlling fluid flow over a surface |
| US6557665B2 (en) * | 2000-06-06 | 2003-05-06 | Siemens Canada Limited | Active dipole inlet using drone cone speaker driver |
| US6360763B1 (en) * | 2001-04-20 | 2002-03-26 | United Technologies Corporation | Control of flow separation with harmonic forcing and induced separation |
| DE10132069A1 (de) * | 2001-07-05 | 2003-01-16 | Buehler Ag | Verfahren zum Beeinflussen der rheologischen Eigenschaften eines Fluids |
| US6513754B1 (en) | 2001-09-26 | 2003-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Transonic flow shockwave position stabilizer |
| DE10217111A1 (de) * | 2002-04-17 | 2003-11-06 | Roehm Gmbh | Festkörper mit mikrostrukturierter Oberfläche |
| US6615857B1 (en) | 2002-08-21 | 2003-09-09 | Combustion Research And Flow Technology, Inc. | Modular flow control actuator |
| GB0220814D0 (en) * | 2002-09-09 | 2002-10-16 | Aroussi Abdelwahab | A generator of homogeneous mix of particulate laden flows in pipes |
| US8151623B2 (en) | 2002-09-23 | 2012-04-10 | Siemens Energy, Inc. | Sensor for quantifying widening reduction wear on a surface |
| US7582359B2 (en) * | 2002-09-23 | 2009-09-01 | Siemens Energy, Inc. | Apparatus and method of monitoring operating parameters of a gas turbine |
| US7618712B2 (en) * | 2002-09-23 | 2009-11-17 | Siemens Energy, Inc. | Apparatus and method of detecting wear in an abradable coating system |
| KR100788084B1 (ko) * | 2003-08-05 | 2007-12-21 | 마츠시타 덴끼 산교 가부시키가이샤 | 유체 가열 장치 및 그것을 이용한 세정 장치 |
| JP4474867B2 (ja) * | 2003-08-05 | 2010-06-09 | パナソニック株式会社 | 人体局部洗浄装置とそれを備えたトイレ装置 |
| US8742944B2 (en) * | 2004-06-21 | 2014-06-03 | Siemens Energy, Inc. | Apparatus and method of monitoring operating parameters of a gas turbine |
| WO2006098649A1 (fr) * | 2005-03-04 | 2006-09-21 | Gennady Iraklievich Kiknadze | Procede de formation d'un courant de formation de jets tourbillonnants integres a un flux et surface conçue pour sa mise en oeuvre |
| US20070023169A1 (en) * | 2005-07-29 | 2007-02-01 | Innovative Fluidics, Inc. | Synthetic jet ejector for augmentation of pumped liquid loop cooling and enhancement of pool and flow boiling |
| US7932535B2 (en) * | 2005-11-02 | 2011-04-26 | Nuventix, Inc. | Synthetic jet cooling system for LED module |
| US7607470B2 (en) * | 2005-11-14 | 2009-10-27 | Nuventix, Inc. | Synthetic jet heat pipe thermal management system |
| US8030886B2 (en) | 2005-12-21 | 2011-10-04 | Nuventix, Inc. | Thermal management of batteries using synthetic jets |
| US8113469B2 (en) * | 2006-02-21 | 2012-02-14 | University Of Alabama | Passive micro-roughness array for drag modification |
| WO2008121418A1 (en) * | 2007-03-30 | 2008-10-09 | The University Of Alabama | A passive drag modification system |
| NL1035216C2 (nl) * | 2007-07-24 | 2009-01-27 | Kick Off Ltd | Wrijvingsweerstand reducerende laag en werkwijze voor de vervaardiging daarvan. |
| RU2357893C1 (ru) * | 2007-12-20 | 2009-06-10 | Институт теоретической и прикладной механики им. С.А. Христиановича СО РАН (ИТПМ СО РАН) | Способ снижения сопротивления трения осесимметричного тела и устройство для его осуществления |
| DE102008009604A1 (de) * | 2008-02-15 | 2009-08-20 | Rolls-Royce Deutschland Ltd & Co Kg | Gehäusestrukturierung zum Stabilisieren der Strömung in einer Strömungsarbeitsmaschine |
| US8128399B1 (en) * | 2008-02-22 | 2012-03-06 | Great Southern Flameless, Llc | Method and apparatus for controlling gas flow patterns inside a heater chamber and equalizing radiant heat flux to a double fired coil |
| FR2928427A1 (fr) * | 2008-03-10 | 2009-09-11 | Inst Francais Du Petrole | Surface structuree tridimensionnelle a ondes transverse et meridienne orthogonales en vue d'une reduction de la trainee aerodynamique |
| RU2424450C2 (ru) * | 2009-09-28 | 2011-07-20 | Государственное образовательное учреждение высшего профессионального образования "Саратовский государственный технический университет" (СГТУ) | Способ уменьшения отрицательной турбулентной вязкости |
| US8571813B2 (en) * | 2010-03-16 | 2013-10-29 | Siemens Energy, Inc. | Fiber optic sensor system for detecting surface wear |
| US8804986B2 (en) * | 2010-10-13 | 2014-08-12 | Aliphcom | Acoustic transducer including airfoil for generating sound |
| KR102146842B1 (ko) | 2011-06-09 | 2020-08-24 | 케이스 웨스턴 리저브 유니버시티 | 광학적 정보 스토리지 매체 |
| DE102015107626B4 (de) * | 2015-05-15 | 2019-11-07 | Airbus Defence and Space GmbH | Strömungssteuerungsvorrichtung, Strömungsdynamischer Profilkörper und Strömungssteuerungsverfahren mit Schallwellenerzeugung |
| WO2017103650A1 (en) | 2015-12-15 | 2017-06-22 | Technion Research & Development Foundation Limited | Acoustic resonance excited heat exchange |
| GB2556110B (en) * | 2016-11-21 | 2020-04-01 | Dyson Technology Ltd | Compressor blade surface patterning |
| GB201806020D0 (en) * | 2018-02-23 | 2018-05-30 | Rolls Royce | Conduit |
| RU2692058C1 (ru) * | 2018-06-08 | 2019-06-20 | Акционерное общество "НИИ измерительных приборов - Новосибирский завод имени Коминтерна" (АО "НПО НИИИП-НЗиК") | Способ защиты радиолокационной станции от малоразмерных беспилотных летательных аппаратов и устройство для его осуществления |
| WO2020106343A2 (en) * | 2018-08-22 | 2020-05-28 | Peer Belt Inc. | Method, system and apparatus for reducing fluid drag |
| EP4466465A1 (en) * | 2022-03-02 | 2024-11-27 | Massachusetts Institute Of Technology | Systems and methods for suppressing turbulence in pipe and channel flows |
| US12276588B2 (en) | 2022-12-19 | 2025-04-15 | GM Global Technology Operations LLC | Systems and methods for measuring effects of vibration on rheometric properties of a fluid |
| US12392455B2 (en) * | 2023-04-14 | 2025-08-19 | GM Global Technology Operations LLC | System for transporting non-Newtonian materials using acoustic softening over long distances |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3866630A (en) * | 1970-12-04 | 1975-02-18 | Fowler Knobbe & Martens | Ball canister and system for controlling cavitation in liquids |
| FR2377540A1 (fr) * | 1977-01-18 | 1978-08-11 | Alsthom Atlantique | Limiteur de debit d'un circuit hydraulique |
| US4567915A (en) * | 1984-02-10 | 1986-02-04 | Valtek Incorporated | Anti-cavitation low-noise control valve cage trim for high pressure reducing service in liquid or gaseous flow |
| SU1298435A1 (ru) * | 1985-09-27 | 1987-03-23 | Предприятие П/Я Г-4903 | Способ управлени интенсивностью турбулентности в плоско-параллельном потоке |
| SU1565178A1 (ru) * | 1988-10-11 | 1992-02-15 | Предприятие П/Я Г-4903 | Способ уменьшени сопротивлени трени и устройство дл его осуществлени |
| GB8900274D0 (en) * | 1989-01-06 | 1989-03-08 | Schram Cornelius J | Controlling particulate material |
| US5069419A (en) * | 1989-06-23 | 1991-12-03 | Ic Sensors Inc. | Semiconductor microactuator |
| US5040560A (en) * | 1990-12-05 | 1991-08-20 | Ari Glezer | Method and apparatus for controlled modification of fluid flow |
| US5263793A (en) * | 1991-11-19 | 1993-11-23 | Ormat Industries, Ltd. | Method of and apparatus for controlling turbulence in a wall-bounded fluid flow field |
| CA2150628A1 (en) * | 1994-06-02 | 1995-12-03 | Lawrence Sirovich | Method of and apparatus for controlling turbulence in boundary layer and other wall-bounded fluid flow fields |
-
1996
- 1996-02-09 CA CA002169230A patent/CA2169230A1/en not_active Abandoned
- 1996-02-12 IN IN254CA1996 patent/IN186816B/en unknown
- 1996-02-12 RU RU96102428A patent/RU2159363C2/ru active
- 1996-02-12 KR KR1019960003347A patent/KR960031829A/ko not_active Ceased
- 1996-02-12 IL IL11711996A patent/IL117119A/en not_active IP Right Cessation
- 1996-02-13 DE DE69616103T patent/DE69616103T2/de not_active Expired - Fee Related
- 1996-02-13 EP EP96300986A patent/EP0726398B1/en not_active Expired - Lifetime
-
1997
- 1997-06-25 US US08/903,190 patent/US5797414A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142012A1 (en) * | 2009-06-08 | 2010-12-16 | Humano Water Corporation | Atmospheric water generator |
Also Published As
| Publication number | Publication date |
|---|---|
| KR960031829A (ko) | 1996-09-17 |
| US5797414A (en) | 1998-08-25 |
| EP0726398A1 (en) | 1996-08-14 |
| IL117119A (en) | 2004-06-01 |
| DE69616103D1 (de) | 2001-11-29 |
| EP0726398B1 (en) | 2001-10-24 |
| DE69616103T2 (de) | 2002-06-06 |
| IN186816B (en, 2012) | 2001-11-17 |
| RU2159363C2 (ru) | 2000-11-20 |
| IL117119A0 (en) | 1996-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |