FR1198723A - Convergent-divergent nozzle with continuously variable geometry and neck sections - Google Patents

Convergent-divergent nozzle with continuously variable geometry and neck sections

Info

Publication number
FR1198723A
FR1198723A FR1198723DA FR1198723A FR 1198723 A FR1198723 A FR 1198723A FR 1198723D A FR1198723D A FR 1198723DA FR 1198723 A FR1198723 A FR 1198723A
Authority
FR
France
Prior art keywords
convergent
continuously variable
variable geometry
divergent nozzle
neck sections
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
Other languages
French (fr)
Inventor
Paul Legrand
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of FR1198723A publication Critical patent/FR1198723A/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
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/822—Heat insulating structures or liners, cooling arrangements, e.g. post combustion liners; Infrared radiation suppressors
    • 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
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/10—Varying effective area of jet pipe or nozzle by distorting the jet pipe or nozzle
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/27—Three-dimensional hyperboloid
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1198723D 1958-02-03 1958-02-03 Convergent-divergent nozzle with continuously variable geometry and neck sections Expired FR1198723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1198723T 1958-02-03

Publications (1)

Publication Number Publication Date
FR1198723A true FR1198723A (en) 1959-12-09

Family

ID=9670167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1198723D Expired FR1198723A (en) 1958-02-03 1958-02-03 Convergent-divergent nozzle with continuously variable geometry and neck sections

Country Status (1)

Country Link
FR (1) FR1198723A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1174580B (en) * 1960-05-18 1964-07-23 Gen Electric Convergent-divergent thrust nozzle for jet engines or the like.
EP0750107A1 (en) * 1995-06-21 1996-12-27 Volvo Aero Corporation Exhaust nozzle flap
WO1996041940A1 (en) * 1995-06-12 1996-12-27 Bohumil Svoboda Supersonic jet with a controllable critical cross section
WO2008021618A2 (en) * 2006-08-18 2008-02-21 General Electric Company Multiple vane variable geometry nozzle
DE102008022271A1 (en) * 2008-05-06 2009-11-26 Opara, Günther Nozzle i.e. jet-nozzle, for e.g. gas turbine of aircraft, has one-piece tubular body including wall that forms convergent and divergent channel parts by radial contraction of cross-section dimension of nozzle
DE102013105345A1 (en) * 2013-05-24 2014-11-27 Deutsches Zentrum für Luft- und Raumfahrt e.V. Thrust chamber device and method for operating a thrust chamber device
CN114687888A (en) * 2022-04-14 2022-07-01 中国航发沈阳发动机研究所 Binary vector spray pipe cooling structure

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1174580B (en) * 1960-05-18 1964-07-23 Gen Electric Convergent-divergent thrust nozzle for jet engines or the like.
WO1996041940A1 (en) * 1995-06-12 1996-12-27 Bohumil Svoboda Supersonic jet with a controllable critical cross section
EP0750107A1 (en) * 1995-06-21 1996-12-27 Volvo Aero Corporation Exhaust nozzle flap
US5713522A (en) * 1995-06-21 1998-02-03 Volvo Aero Corporation Exhaust nozzle flap for turbojet afterburner
WO2008021618A2 (en) * 2006-08-18 2008-02-21 General Electric Company Multiple vane variable geometry nozzle
WO2008021618A3 (en) * 2006-08-18 2008-07-10 Gen Electric Multiple vane variable geometry nozzle
US7802432B2 (en) 2006-08-18 2010-09-28 General Electric Company Multiple vane variable geometry nozzle
DE102008022271A1 (en) * 2008-05-06 2009-11-26 Opara, Günther Nozzle i.e. jet-nozzle, for e.g. gas turbine of aircraft, has one-piece tubular body including wall that forms convergent and divergent channel parts by radial contraction of cross-section dimension of nozzle
DE102013105345A1 (en) * 2013-05-24 2014-11-27 Deutsches Zentrum für Luft- und Raumfahrt e.V. Thrust chamber device and method for operating a thrust chamber device
DE102013105345B4 (en) 2013-05-24 2019-01-10 Deutsches Zentrum für Luft- und Raumfahrt e.V. Thrust chamber device and method for operating a thrust chamber device
CN114687888A (en) * 2022-04-14 2022-07-01 中国航发沈阳发动机研究所 Binary vector spray pipe cooling structure
CN114687888B (en) * 2022-04-14 2024-01-30 中国航发沈阳发动机研究所 Binary vector spray pipe cooling structure

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