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FR3020345B1 - Procede de controle d'un ecoulement de couche limite - Google Patents

Procede de controle d'un ecoulement de couche limite Download PDF

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Publication number
FR3020345B1
FR3020345B1 FR1553622A FR1553622A FR3020345B1 FR 3020345 B1 FR3020345 B1 FR 3020345B1 FR 1553622 A FR1553622 A FR 1553622A FR 1553622 A FR1553622 A FR 1553622A FR 3020345 B1 FR3020345 B1 FR 3020345B1
Authority
FR
France
Prior art keywords
controlling
layer flow
limit layer
limit
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
FR1553622A
Other languages
English (en)
Other versions
FR3020345A1 (fr
Inventor
Steven M. KESTLER
Prithvi SUNDAR
Yuan Li
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.)
Rohr Inc
Original Assignee
Rohr Inc
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 Rohr Inc filed Critical Rohr Inc
Publication of FR3020345A1 publication Critical patent/FR3020345A1/fr
Application granted granted Critical
Publication of FR3020345B1 publication Critical patent/FR3020345B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
    • B64C21/06—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for sucking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings or cowlings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/04—Boundary layer controls by actively generating fluid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0226—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising boundary layer control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/17—Purpose of the control system to control boundary layer
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1553622A 2014-04-25 2015-04-23 Procede de controle d'un ecoulement de couche limite Expired - Fee Related FR3020345B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14262319 2014-04-25
US14/262,319 US9789954B2 (en) 2014-04-25 2014-04-25 Method of controlling boundary layer flow

Publications (2)

Publication Number Publication Date
FR3020345A1 FR3020345A1 (fr) 2015-10-30
FR3020345B1 true FR3020345B1 (fr) 2018-07-13

Family

ID=54292536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1553622A Expired - Fee Related FR3020345B1 (fr) 2014-04-25 2015-04-23 Procede de controle d'un ecoulement de couche limite

Country Status (2)

Country Link
US (1) US9789954B2 (fr)
FR (1) FR3020345B1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10000277B2 (en) * 2014-10-16 2018-06-19 Rohr, Inc. Perforated surface for suction-type laminar flow control
US9845728B2 (en) * 2015-10-15 2017-12-19 Rohr, Inc. Forming a nacelle inlet for a turbine engine propulsion system
ES2736527T3 (es) * 2016-01-29 2020-01-02 Airbus Operations Gmbh Cuerpo de flujo para una aeronave para la aspiración de una capa límite pasiva
FR3048727B1 (fr) * 2016-03-14 2018-03-02 Safran Aircraft Engines Conduit d'entree d'air pour une turbomachine d'aeronef
US10705731B2 (en) * 2017-08-17 2020-07-07 The Boeing Company Device operational control systems and methods
US11433990B2 (en) 2018-07-09 2022-09-06 Rohr, Inc. Active laminar flow control system with composite panel
US11027827B2 (en) 2018-09-04 2021-06-08 Raytheon Technologies Corporation Method for separated flow detection
WO2020113110A1 (fr) * 2018-11-27 2020-06-04 Georgia Tech Research Corporation Systèmes et procédés de régulation découlement aérodynamique
US20210371088A1 (en) * 2020-02-27 2021-12-02 Airbus Operations Gmbh Leading edge structure for a flow control system of an aircraft
US11629651B2 (en) 2020-11-17 2023-04-18 General Electric Company Gas turbine engine having a turbomachine and an electric motor coupled to a propeller
CN117818871B (zh) * 2024-03-04 2024-05-17 中国空气动力研究与发展中心高速空气动力研究所 被动式混合层流短舱应用方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
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FR2235832B1 (fr) * 1973-07-05 1976-09-17 Anxionnaz Rene
US4993663A (en) * 1989-06-01 1991-02-19 General Electric Company Hybrid laminar flow nacelle
US5143329A (en) * 1990-06-01 1992-09-01 General Electric Company Gas turbine engine powered aircraft environmental control system and boundary layer bleed
US5137230A (en) * 1991-06-04 1992-08-11 General Electric Company Aircraft gas turbine engine bleed air energy recovery apparatus
GB9121455D0 (en) 1991-10-10 1991-11-27 Rolls Royce Plc Control of boundary layer flow
US5297765A (en) * 1992-11-02 1994-03-29 Rohr, Inc. Turbine engine nacelle laminar flow control arrangement
GB9400555D0 (en) 1994-01-13 1994-03-09 Short Brothers Plc Boundery layer control in aerodynamic low drag structures
US5590854A (en) * 1994-11-02 1997-01-07 Shatz; Solomon Movable sheet for laminar flow and deicing
DE19643069C2 (de) * 1996-10-18 1999-03-25 Daimler Benz Aerospace Airbus Seitenleitwerksstrukur für ein Flugzeug
US6068328A (en) * 1997-11-25 2000-05-30 Gazdzinski; Robert F. Vehicular boundary layer control system and method
GB9914652D0 (en) * 1999-06-24 1999-08-25 British Aerospace Laminar flow control system and suction panel for use therein
US6866233B2 (en) * 2003-01-03 2005-03-15 Orbital Research Inc. Reconfigurable porous technology for fluid flow control and method of controlling flow
US6685143B1 (en) * 2003-01-03 2004-02-03 Orbital Research Inc. Aircraft and missile forebody flow control device and method of controlling flow
US8417395B1 (en) * 2003-01-03 2013-04-09 Orbitol Research Inc. Hierarchical closed-loop flow control system for aircraft, missiles and munitions
GB2402196B (en) * 2003-05-29 2006-05-17 Rolls Royce Plc A laminar flow nacelle for an aircraft engine
GB2404234A (en) * 2003-07-19 2005-01-26 Rolls Royce Plc A laminar flow surface for an aircraft
DE102004024016A1 (de) * 2004-05-13 2005-12-22 Airbus Deutschland Gmbh Anordnung zur Grenzschichtabsaugung
GB0418196D0 (en) * 2004-08-14 2004-09-15 Rolls Royce Plc Boundary layer control arrangement
US7967258B2 (en) * 2005-10-06 2011-06-28 Lockheed Martin Corporation Dual bimorph synthetic pulsator
WO2008045051A2 (fr) * 2006-10-12 2008-04-17 United Technologies Corporation Couche barrière passive d'un système de purge pour commande de l'écoulement d'air d'entrée de nacelle
US7766280B2 (en) * 2007-05-29 2010-08-03 United Technologies Corporation Integral suction device with acoustic panel
US9157368B2 (en) 2007-09-05 2015-10-13 United Technologies Corporation Active flow control for nacelle inlet
US9004399B2 (en) * 2007-11-13 2015-04-14 United Technologies Corporation Nacelle flow assembly
US8192147B2 (en) * 2007-12-14 2012-06-05 United Technologies Corporation Nacelle assembly having inlet bleed
DE102009022174B4 (de) * 2009-05-20 2019-12-12 Airbus Operations Gmbh Vorrichtung zur Verringerung des Luftwiderstandes einer Anströmfläche eines Flugzeugs
DE102009049049A1 (de) 2009-10-12 2011-04-14 Airbus Operations Gmbh Strömungskörper insbesondere für Luftfahrzeuge
US8894019B2 (en) * 2012-12-31 2014-11-25 Florida State University Office of Commercialization Method of using microjet actuators for the control of flow separation and distortion
US20160003091A1 (en) * 2013-03-15 2016-01-07 United Technologies Corporation Nacelle internal and external flow control

Also Published As

Publication number Publication date
US20160144949A1 (en) 2016-05-26
US9789954B2 (en) 2017-10-17
FR3020345A1 (fr) 2015-10-30

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