FR3090746B1 - Tuyere de post combustion comportant une chemise a perforation obliques - Google Patents

Tuyere de post combustion comportant une chemise a perforation obliques Download PDF

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Publication number
FR3090746B1
FR3090746B1 FR1873348A FR1873348A FR3090746B1 FR 3090746 B1 FR3090746 B1 FR 3090746B1 FR 1873348 A FR1873348 A FR 1873348A FR 1873348 A FR1873348 A FR 1873348A FR 3090746 B1 FR3090746 B1 FR 3090746B1
Authority
FR
France
Prior art keywords
post
shirt
combustion tube
flow
oblique perforation
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.)
Active
Application number
FR1873348A
Other languages
English (en)
Other versions
FR3090746A1 (fr
Inventor
François Leglaye
Florent Luc Lacombe
Pannerer Brice Marie Yves Emile Le
Pierre André Gabriel Malbois
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
Safran Aircraft Engines 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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1873348A priority Critical patent/FR3090746B1/fr
Publication of FR3090746A1 publication Critical patent/FR3090746A1/fr
Application granted granted Critical
Publication of FR3090746B1 publication Critical patent/FR3090746B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F02C7/12—Cooling of plants
    • F02C7/16—Cooling of plants characterised by cooling medium
    • F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
    • 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; Infra-red 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
    • F02K1/78—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; Infra-red radiation suppressors
    • F02K1/825—Infra-red radiation suppressors
    • 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
    • F02K3/08—Plants including a gas turbine driving a compressor or a ducted fan with supplementary heating of the working fluid; Control thereof
    • F02K3/10—Plants including a gas turbine driving a compressor or a ducted fan with supplementary heating of the working fluid; Control thereof by after-burners
    • 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
    • F02K3/08—Plants including a gas turbine driving a compressor or a ducted fan with supplementary heating of the working fluid; Control thereof
    • F02K3/105—Heating the by-pass flow
    • F02K3/11—Heating the by-pass flow by means of burners or combustion chambers
    • 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
    • F05D2250/30—Arrangement of components
    • F05D2250/37—Arrangement of components circumferential
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L’invention concerne une chemise (11) de chambre de post combustion de turboréacteur, comportant une paroi de révolution autour d’un axe longitudinal (AX) ayant une face interne exposée à un flux de post combustion et une face externe exposée à un flux de refroidissement, cette paroi comprenant des trous (13) traversés par de l’air du flux de refroidissement pour former à sa face interne un film de protection thermique. Chaque trou (13) a une orientation comprenant une composante orthoradiale par rapport à l’axe longitudinal (AX). Figure pour l’abrégé : Figure 4
FR1873348A 2018-12-20 2018-12-20 Tuyere de post combustion comportant une chemise a perforation obliques Active FR3090746B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1873348A FR3090746B1 (fr) 2018-12-20 2018-12-20 Tuyere de post combustion comportant une chemise a perforation obliques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1873348A FR3090746B1 (fr) 2018-12-20 2018-12-20 Tuyere de post combustion comportant une chemise a perforation obliques

Publications (2)

Publication Number Publication Date
FR3090746A1 FR3090746A1 (fr) 2020-06-26
FR3090746B1 true FR3090746B1 (fr) 2021-06-11

Family

ID=66867250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1873348A Active FR3090746B1 (fr) 2018-12-20 2018-12-20 Tuyere de post combustion comportant une chemise a perforation obliques

Country Status (1)

Country Link
FR (1) FR3090746B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2056592A1 (fr) * 1990-12-21 1992-06-22 Phillip D. Napoli Chemise de chambre de combustion a refroidissement par gaine d'air a trous multiples avec demarreur a gaine d'air rainuree
FR2982008B1 (fr) * 2011-10-26 2013-12-13 Snecma Paroi annulaire de chambre de combustion a refroidissement ameliore au niveau des trous primaires et de dilution
FR3021351B1 (fr) * 2014-05-20 2019-07-12 Safran Aircraft Engines Paroi de turbomachine comportant une partie au moins d'orifices de refroidissement obtures

Also Published As

Publication number Publication date
FR3090746A1 (fr) 2020-06-26

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