SE8305904L - GONDOL WITH Laminated Flood - Google Patents

GONDOL WITH Laminated Flood

Info

Publication number
SE8305904L
SE8305904L SE8305904A SE8305904A SE8305904L SE 8305904 L SE8305904 L SE 8305904L SE 8305904 A SE8305904 A SE 8305904A SE 8305904 A SE8305904 A SE 8305904A SE 8305904 L SE8305904 L SE 8305904L
Authority
SE
Sweden
Prior art keywords
nacelle
leading edge
chord
intersection
aft
Prior art date
Application number
SE8305904A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8305904D0 (en
SE456077B (en
Inventor
D J Lahti
J L Younghans
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 SE8305904D0 publication Critical patent/SE8305904D0/en
Publication of SE8305904L publication Critical patent/SE8305904L/en
Publication of SE456077B publication Critical patent/SE456077B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D29/00—Power-plant nacelles, fairings, or cowlings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

An improved nacelle is provided for housing an aircraft engine and reducing aerodynamic drag during aircraft operation. In one embodiment, the nacelle houses a gas turbine engine and forms the fan cowl 24 of a turbofan engine having a fan 16 and comprises a leading edge and a trailing edge, having a reference chord extending therebetween, and an outer surface which is continuous from the leading edge to the trailing edge. The outer surface includes a forward portion, an intermediate portion and an aft portion and has a profile defined by a varying thickness measured perpendicularly from the chord to the outer surface. The profile has a maximum thickness at the intersection of the forward and intermediate portions, which intersection is located greater than about 36% and probably at 56% of the chord from the leading edge, and is effective for increasing laminar flow over the nacelle for reducing aerodynamic drag. The flow is turbulent aft of the maximum thickness. <IMAGE>
SE8305904A 1982-10-29 1983-10-27 AIRPLANE GONDOL WITH Laminated Flood SE456077B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43758182A 1982-10-29 1982-10-29

Publications (3)

Publication Number Publication Date
SE8305904D0 SE8305904D0 (en) 1983-10-27
SE8305904L true SE8305904L (en) 1984-04-30
SE456077B SE456077B (en) 1988-09-05

Family

ID=23737028

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8305904A SE456077B (en) 1982-10-29 1983-10-27 AIRPLANE GONDOL WITH Laminated Flood

Country Status (11)

Country Link
JP (1) JPS5996462A (en)
AU (1) AU555526B2 (en)
CA (1) CA1209354A (en)
CH (1) CH667434A5 (en)
DE (1) DE3338286A1 (en)
GB (1) GB2128945B (en)
IL (1) IL69906A (en)
IT (1) IT1171783B (en)
NL (1) NL8303716A (en)
SE (1) SE456077B (en)
SU (1) SU1391490A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920143B1 (en) * 2007-08-20 2010-01-22 Aircelle Sa DEVICE FOR CONTROLLING HOUSING MAINTENANCE ACTUATORS OF A TURBOREACTOR NACELLE
DE102009003084B4 (en) 2009-05-13 2013-03-14 Airbus Operations Gmbh Cladding for a buoyancy aid
GB2595724B (en) 2020-06-05 2022-10-05 Rolls Royce Plc Nacelle for gas turbine engine and aircraft comprising the same
FR3116043B1 (en) * 2020-11-09 2023-04-28 Safran Aircraft Engines Aircraft propulsion unit nacelle air inlet to promote a thrust reversal phase

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1211192A (en) * 1964-07-01 1970-11-04 Gen Electric Improvements in low drag exhaust nozzle and nacelle arrangement for turbofan engines
US3765623A (en) * 1971-10-04 1973-10-16 Mc Donnell Douglas Corp Air inlet
US3952971A (en) * 1971-11-09 1976-04-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Airfoil shape for flight at subsonic speeds
IL42041A (en) * 1972-05-04 1977-05-31 Mc Donnell Douglas Corp Low drag airfoils and method of designing same
GB1554713A (en) * 1975-03-04 1979-10-24 Secr Defence Wings
GB1553816A (en) * 1975-06-12 1979-10-10 Secr Defence Wings
DE2712717A1 (en) * 1977-03-23 1978-09-28 Ver Flugtechnische Werke ABOVE CRITICAL WING PROFILE
US4209149A (en) * 1977-12-27 1980-06-24 Boeing Commercial Airplane Company Contracted inlet for jet engine being transported as cargo
FR2427249A1 (en) * 1978-05-29 1979-12-28 Aerospatiale SAIL PROFILE FOR AIRCRAFT
CA1185101A (en) * 1980-03-03 1985-04-09 Daniel J. Lahti Drag-reducing nacelle
DE3033101C2 (en) * 1980-09-03 1984-11-22 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Arrangement for increasing the resulting propulsive force in aircraft

Also Published As

Publication number Publication date
IT1171783B (en) 1987-06-10
DE3338286A1 (en) 1984-05-03
IT8323478A0 (en) 1983-10-27
GB2128945B (en) 1986-03-26
AU1902683A (en) 1984-05-03
NL8303716A (en) 1984-05-16
JPH0344221B2 (en) 1991-07-05
CH667434A5 (en) 1988-10-14
IL69906A0 (en) 1984-01-31
SU1391490A3 (en) 1988-04-23
AU555526B2 (en) 1986-09-25
IL69906A (en) 1990-04-29
GB2128945A (en) 1984-05-10
GB8328400D0 (en) 1983-11-23
SE8305904D0 (en) 1983-10-27
CA1209354A (en) 1986-08-12
SE456077B (en) 1988-09-05
JPS5996462A (en) 1984-06-02

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