IT1248920B - Gondola per motore d'aereoplano a flusso laminare ibrido - Google Patents

Gondola per motore d'aereoplano a flusso laminare ibrido

Info

Publication number
IT1248920B
IT1248920B IT02048190A IT2048190A IT1248920B IT 1248920 B IT1248920 B IT 1248920B IT 02048190 A IT02048190 A IT 02048190A IT 2048190 A IT2048190 A IT 2048190A IT 1248920 B IT1248920 B IT 1248920B
Authority
IT
Italy
Prior art keywords
laminar flow
cowl
aircraft
gondola
airplane engine
Prior art date
Application number
IT02048190A
Other languages
English (en)
Other versions
IT9020481A1 (it
IT9020481A0 (it
Inventor
Daniel John Lahti
David Eugene Yates
Permanand Mungur
Norbert Ogden Stockman
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT9020481A0 publication Critical patent/IT9020481A0/it
Publication of IT9020481A1 publication Critical patent/IT9020481A1/it
Application granted granted Critical
Publication of IT1248920B publication Critical patent/IT1248920B/it

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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements 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
    • 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/06—Boundary layer controls by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure
    • 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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0226—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising boundary layer control means
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Tires In General (AREA)
  • Wind Motors (AREA)
IT02048190A 1989-06-01 1990-05-30 Gondola per motore d'aereoplano a flusso laminare ibrido IT1248920B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/359,556 US4993663A (en) 1989-06-01 1989-06-01 Hybrid laminar flow nacelle

Publications (3)

Publication Number Publication Date
IT9020481A0 IT9020481A0 (it) 1990-05-30
IT9020481A1 IT9020481A1 (it) 1991-11-30
IT1248920B true IT1248920B (it) 1995-02-11

Family

ID=23414328

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02048190A IT1248920B (it) 1989-06-01 1990-05-30 Gondola per motore d'aereoplano a flusso laminare ibrido

Country Status (7)

Country Link
US (1) US4993663A (it)
JP (1) JPH0737240B2 (it)
CA (1) CA2012248A1 (it)
DE (1) DE4017076C2 (it)
FR (1) FR2647749B1 (it)
GB (1) GB2232132A (it)
IT (1) IT1248920B (it)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5141182A (en) * 1990-06-01 1992-08-25 General Electric Company Gas turbine engine fan duct base pressure drag reduction
US5114103A (en) * 1990-08-27 1992-05-19 General Electric Company Aircraft engine electrically powered boundary layer bleed system
US5137230A (en) * 1991-06-04 1992-08-11 General Electric Company Aircraft gas turbine engine bleed air energy recovery apparatus
US5222455A (en) * 1992-04-17 1993-06-29 The United States Of America As Represented By The Secretary Of The Navy Ship wake vorticity suppressor
US5983207A (en) * 1993-02-10 1999-11-09 Turk; James J. Electronic cash eliminating payment risk
US5357742A (en) * 1993-03-12 1994-10-25 General Electric Company Turbojet cooling system
US5404713A (en) * 1993-10-04 1995-04-11 General Electric Company Spillage drag and infrared reducing flade engine
US5490644A (en) * 1993-12-20 1996-02-13 The Boeing Company Ducted boundary layer diverter
GB9400555D0 (en) * 1994-01-13 1994-03-09 Short Brothers Plc Boundery layer control in aerodynamic low drag structures
US6094907A (en) * 1996-06-05 2000-08-01 The Boeing Company Jet engine and method for reducing jet engine noise by reducing nacelle boundary layer thickness
DE19720069A1 (de) * 1996-08-24 1997-10-02 Erich Dipl Ing Ufer Flugzeug-FAN-Propeller und FAN-Triebwerke mit Einrichtungen zur Kontrolle des Lufteinlaufes, der Grenzschicht und des Triebwerklärmes
US5923003A (en) * 1996-09-09 1999-07-13 Northrop Grumman Corporation Extended reaction acoustic liner for jet engines and the like
US5721402A (en) * 1996-09-09 1998-02-24 Northrop Grumman Corporation Noise suppression system for a jet engine
GB2324351A (en) * 1997-04-18 1998-10-21 British Aerospace Reducing drag in aircraft wing assembly
US6179251B1 (en) * 1998-02-06 2001-01-30 Northrop Grumman Corporation Thin inlet lip design for low drag and reduced nacelle size
DE19910551C2 (de) * 1999-03-10 2001-04-05 Eads Airbus Gmbh Flugzeugtragfläche mit mindestens einem kurzgekoppelten Triebwerk
GB2402196B (en) 2003-05-29 2006-05-17 Rolls Royce Plc A laminar flow nacelle for an aircraft engine
EP2077963B1 (en) 2006-10-12 2013-02-27 United Technologies Corporation Gas turbine nacelle comprising a passive boundary layer bleed system
US8839805B2 (en) 2006-10-12 2014-09-23 United Technologies Corporation Passive boundary layer bleed system for nacelle inlet airflow control
US7797944B2 (en) * 2006-10-20 2010-09-21 United Technologies Corporation Gas turbine engine having slim-line nacelle
US7870721B2 (en) * 2006-11-10 2011-01-18 United Technologies Corporation Gas turbine engine providing simulated boundary layer thickness increase
US8026644B2 (en) * 2007-04-10 2011-09-27 Violett Robert S Electric propulsion system useful in jet-type model airplanes and UAVS
US8408491B2 (en) 2007-04-24 2013-04-02 United Technologies Corporation Nacelle assembly having inlet airfoil for a gas turbine engine
US8205430B2 (en) * 2007-05-16 2012-06-26 United Technologies Corporation Variable geometry nacelle assembly for a gas turbine engine
US8727267B2 (en) * 2007-05-18 2014-05-20 United Technologies Corporation Variable contraction ratio nacelle assembly for a gas turbine engine
US7708230B2 (en) * 2007-05-29 2010-05-04 United Technologies Corporation Flow distribution system for inlet flow control
US7766280B2 (en) * 2007-05-29 2010-08-03 United Technologies Corporation Integral suction device with acoustic panel
US8082726B2 (en) * 2007-06-26 2011-12-27 United Technologies Corporation Tangential anti-swirl air supply
US8402739B2 (en) * 2007-06-28 2013-03-26 United Technologies Corporation Variable shape inlet section for a nacelle assembly of a gas turbine engine
US9228534B2 (en) * 2007-07-02 2016-01-05 United Technologies Corporation Variable contour nacelle assembly for a gas turbine engine
FR2920134B1 (fr) * 2007-08-20 2010-02-26 Aircelle Sa Nacelle equipee d'au moins une trappe de surpression
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
FR2924408B1 (fr) * 2007-12-03 2010-05-07 Airbus France Nacelle de turboreacteur et procede de controle du decollement dans une nacelle de turboreacteur
US8186942B2 (en) * 2007-12-14 2012-05-29 United Technologies Corporation Nacelle assembly with turbulators
US8192147B2 (en) * 2007-12-14 2012-06-05 United Technologies Corporation Nacelle assembly having inlet bleed
US8529188B2 (en) * 2007-12-17 2013-09-10 United Technologies Corporation Fan nacelle flow control
US10556670B2 (en) 2010-08-15 2020-02-11 The Boeing Company Laminar flow panel
US8783624B2 (en) 2010-08-15 2014-07-22 The Boeing Company Laminar flow panel
US8974177B2 (en) 2010-09-28 2015-03-10 United Technologies Corporation Nacelle with porous surfaces
FR2982588B1 (fr) * 2011-11-10 2013-11-22 Aircelle Sa Panneau composite a ecope de prelevement integree
EP2969760A4 (en) * 2013-03-15 2016-11-16 United Technologies Corp INTERNAL AND EXTERNAL RIVER CONTROL OF A GONDOL
US9701399B1 (en) 2013-03-18 2017-07-11 Techdyne Llc Parasitic drag induced boundary layer reduction system and method
US10400710B2 (en) 2013-05-07 2019-09-03 General Electric Company Secondary nozzle for jet engine
US9920710B2 (en) 2013-05-07 2018-03-20 General Electric Company Multi-nozzle flow diverter for jet engine
US9789954B2 (en) * 2014-04-25 2017-10-17 Rohr, Inc. Method of controlling boundary layer flow
US9951719B2 (en) 2015-04-13 2018-04-24 United Technologies Corporation Combined inlet laminar and thrust reverser cascade efflux flow control system
US10189558B2 (en) 2015-04-21 2019-01-29 Rohr, Inc. Optimized nacelle profile and plenum shape for boundary layer ingestion active laminar flow control
US9874228B2 (en) 2015-05-15 2018-01-23 Rohr, Inc. Nacelle inlet with extended outer barrel
US9908620B2 (en) 2015-05-15 2018-03-06 Rohr, Inc. Multi-zone active laminar flow control system for an aircraft propulsion system
US11485486B2 (en) * 2016-05-18 2022-11-01 The University Of Toledo Active flow control for ducted fans and fan-in-wing configurations
EP3363733B1 (en) 2017-02-18 2021-11-10 Jean-Eloi William Lombard Passive flow control mechanism for reducing and/or suppressing tollmien-schlichting waves, delaying transition to turbulence and reducing drag
CN107150788A (zh) * 2017-04-26 2017-09-12 朱晓义 一种产生更大升力的固定翼飞行器
CN108009383B (zh) * 2017-12-26 2021-02-12 中国空气动力研究与发展中心高速空气动力研究所 一种自然层流短舱外形的确定方法及系统
US11433990B2 (en) 2018-07-09 2022-09-06 Rohr, Inc. Active laminar flow control system with composite panel
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 (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US846358A (en) 1906-11-07 1907-03-05 Harry F Smith Process of handling ash in gas-producers.
FR1001564A (fr) * 1946-05-29 1952-02-25 Rateau Soc Dispositif de réglage de l'aspiration de la couche limite sur les ailes d'avion
US2751168A (en) * 1949-05-05 1956-06-19 Edward A Stalker Boundary layer induction system for aircraft power plant
FR1099669A (fr) * 1953-04-15 1955-09-08 Power Jets Res & Dev Ltd Perfectionnements apportés aux dispositifs pour aspirer la couche limite formée notamment sur une surface d'un avion et aux compresseurs pour ces dispositifs
US2892582A (en) * 1956-08-17 1959-06-30 O'rourke Neil Simplified boundary layer control for a jet
US3024624A (en) 1958-09-04 1962-03-13 Rolls Royce Aircraft and turbine operated auxiliary equipment
GB933612A (en) * 1961-02-13 1963-08-08 Rolls Royce Jet engine thrust reversers
US3410510A (en) * 1963-12-23 1968-11-12 Papst Hermann Boundary layer control
US3765623A (en) * 1971-10-04 1973-10-16 Mc Donnell Douglas Corp Air inlet
FR2235832B1 (it) * 1973-07-05 1976-09-17 Anxionnaz Rene
US4154256A (en) * 1978-03-29 1979-05-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Self stabilizing sonic inlet
US4449683A (en) * 1979-01-03 1984-05-22 The Boeing Company Aerodynamically contoured, low drag wing engine and engine nacelle combination
US4449681A (en) * 1979-01-03 1984-05-22 The Boeing Company Aerodynamically contoured, low drag wing, engine and engine nacelle combination
US4410150A (en) * 1980-03-03 1983-10-18 General Electric Company Drag-reducing nacelle
US4466587A (en) * 1981-12-21 1984-08-21 General Electric Company Nacelle installation
DE3371893D1 (en) * 1982-09-03 1987-07-09 British Aerospace Duct means for aircraft
US4813631A (en) * 1982-09-13 1989-03-21 The Boeing Company Laminar flow control airfoil
US4799633A (en) * 1982-10-29 1989-01-24 General Electric Company Laminar flow necelle
DE3342421C2 (de) * 1983-11-24 1987-01-29 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Verfahren zur stabilisierenden Beeinflussung abgelöster laminarer Grenzschichten
US4749150A (en) * 1985-12-24 1988-06-07 Rohr Industries, Inc. Turbofan duct with noise suppression and boundary layer control
US4722357A (en) * 1986-04-11 1988-02-02 United Technologies Corporation Gas turbine engine nacelle
DE3720318A1 (de) * 1987-06-19 1989-01-05 Mtu Muenchen Gmbh Gondel fuer strahltriebwerke

Also Published As

Publication number Publication date
US4993663A (en) 1991-02-19
GB2232132A (en) 1990-12-05
IT9020481A1 (it) 1991-11-30
JPH0350100A (ja) 1991-03-04
FR2647749B1 (fr) 1993-11-12
IT9020481A0 (it) 1990-05-30
CA2012248A1 (en) 1990-12-01
GB9012170D0 (en) 1990-07-18
DE4017076A1 (de) 1990-12-06
JPH0737240B2 (ja) 1995-04-26
DE4017076C2 (de) 1995-07-13
FR2647749A1 (fr) 1990-12-07

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Legal Events

Date Code Title Description
0001 Granted