GB2071769B - Drag-reducing nacelle - Google Patents

Drag-reducing nacelle

Info

Publication number
GB2071769B
GB2071769B GB8105917A GB8105917A GB2071769B GB 2071769 B GB2071769 B GB 2071769B GB 8105917 A GB8105917 A GB 8105917A GB 8105917 A GB8105917 A GB 8105917A GB 2071769 B GB2071769 B GB 2071769B
Authority
GB
United Kingdom
Prior art keywords
bypass
exit
exhaust
exhaust system
stream
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
Application number
GB8105917A
Other languages
English (en)
Other versions
GB2071769A (en
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB2071769A publication Critical patent/GB2071769A/en
Application granted granted Critical
Publication of GB2071769B publication Critical patent/GB2071769B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • 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
    • B64D29/02—Power-plant nacelles, fairings or cowlings associated with wings
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/52—Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Exhaust Silencers (AREA)
  • Control Of Turbines (AREA)
  • Jet Pumps And Other Pumps (AREA)
GB8105917A 1980-03-03 1981-02-25 Drag-reducing nacelle Expired GB2071769B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12677980A 1980-03-03 1980-03-03

Publications (2)

Publication Number Publication Date
GB2071769A GB2071769A (en) 1981-09-23
GB2071769B true GB2071769B (en) 1984-08-22

Family

ID=22426613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105917A Expired GB2071769B (en) 1980-03-03 1981-02-25 Drag-reducing nacelle

Country Status (6)

Country Link
JP (1) JPS56143330A (enrdf_load_stackoverflow)
CA (1) CA1185101A (enrdf_load_stackoverflow)
DE (1) DE3107496A1 (enrdf_load_stackoverflow)
FR (1) FR2477100B1 (enrdf_load_stackoverflow)
GB (1) GB2071769B (enrdf_load_stackoverflow)
IT (1) IT1135607B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU555526B2 (en) * 1982-10-29 1986-09-25 General Electric Company Aircraft engine nacelle
FR2916737B1 (fr) * 2007-06-01 2010-05-28 Airbus France Ensemble moteur pour aeronef a nacelle coulissante.
US9181899B2 (en) * 2008-08-27 2015-11-10 General Electric Company Variable slope exhaust nozzle
US9810178B2 (en) 2015-08-05 2017-11-07 General Electric Company Exhaust nozzle with non-coplanar and/or non-axisymmetric shape

Family Cites Families (8)

* 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
US3670964A (en) * 1971-01-18 1972-06-20 Gen Motors Corp Jet nozzle
GB1420625A (en) * 1972-08-10 1976-01-07 Rolls Royce Pitch varying mechanism for a variable pitch fan or propeller
US3896615A (en) * 1973-02-08 1975-07-29 United Aircraft Corp Gas turbine engine for subsonic flight
US3881315A (en) * 1973-03-19 1975-05-06 Gen Electric Fan duct flow deflector
CA1020365A (en) * 1974-02-25 1977-11-08 James E. Johnson Modulating bypass variable cycle turbofan engine
DE2512082A1 (de) * 1974-03-26 1975-10-09 Rolls Royce 1971 Ltd Gasturbinenstrahltriebwerk
GB1522558A (en) * 1976-04-05 1978-08-23 Rolls Royce Duct linings

Also Published As

Publication number Publication date
IT8119946A0 (it) 1981-02-24
DE3107496A1 (de) 1981-12-24
DE3107496C2 (enrdf_load_stackoverflow) 1989-12-07
CA1185101A (en) 1985-04-09
FR2477100B1 (fr) 1986-03-21
JPH0310560B2 (enrdf_load_stackoverflow) 1991-02-13
GB2071769A (en) 1981-09-23
JPS56143330A (en) 1981-11-09
IT1135607B (it) 1986-08-27
FR2477100A1 (fr) 1981-09-04

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010224