FR3136016B1 - FLAME HOLDER RING FOR TURBORE ENGINE AFTERCOMBUSTION COMPRISING A DUCT FOR HEATING AN ANGULAR SEGMENT OF THE RING - Google Patents

FLAME HOLDER RING FOR TURBORE ENGINE AFTERCOMBUSTION COMPRISING A DUCT FOR HEATING AN ANGULAR SEGMENT OF THE RING Download PDF

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Publication number
FR3136016B1
FR3136016B1 FR2205117A FR2205117A FR3136016B1 FR 3136016 B1 FR3136016 B1 FR 3136016B1 FR 2205117 A FR2205117 A FR 2205117A FR 2205117 A FR2205117 A FR 2205117A FR 3136016 B1 FR3136016 B1 FR 3136016B1
Authority
FR
France
Prior art keywords
ring
angular segment
axial side
branch
flame holder
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
FR2205117A
Other languages
French (fr)
Other versions
FR3136016A1 (en
Inventor
Pierre André Gabriel Malbois
Alain René Cayre
Christophe Pieussergues
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 FR2205117A priority Critical patent/FR3136016B1/en
Publication of FR3136016A1 publication Critical patent/FR3136016A1/en
Application granted granted Critical
Publication of FR3136016B1 publication Critical patent/FR3136016B1/en
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
    • 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
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/38—Introducing air inside the jet
    • F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow
    • 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

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

Un anneau accroche-flammes (53) pour postcombustion de turboréacteur comprend une enveloppe annulaire (54) qui, vue en demi-section axiale, comprend une branche radialement externe (54A) et une branche radialement interne (54B) raccordées l’une à l’autre d’un premier côté axial en une portion de raccordement (54C) concave en direction d’un second côté axial, de sorte que l’enveloppe annulaire (54) délimite un espace annulaire (55) débouchant du second côté axial. L’anneau accroche-flammes comprend, pour au moins un segment angulaire (54D) de l’enveloppe annulaire comprenant un orifice de passage de bougie d’allumage (60) formé dans la branche radialement externe, un conduit de circulation de gaz (100) formé du premier côté axial le long du segment angulaire (54D) et délimité par celui-ci de manière à présenter une entrée (100A) adjacente à la branche radialement interne et une sortie (100B) adjacente à la branche radialement externe et à recouvrir ainsi la portion de raccordement. Figure d’abrégé : Figure 4A flame arrester ring (53) for turbojet afterburner comprises: an annular casing (54) which, seen in axial half-section, comprises a radially external branch (54A) and a radially internal branch (54B) connected to one another. other from a first axial side into a connection portion (54C) concave towards a second axial side, so that the annular envelope (54) delimits an annular space (55) opening out from the second axial side. The flame holder ring comprises, for at least one angular segment (54D) of the annular envelope comprising a spark plug passage orifice (60) formed in the radially external branch, a gas circulation conduit (100 ) formed on the first axial side along the angular segment (54D) and delimited by the latter so as to have an inlet (100A) adjacent to the radially internal branch and an outlet (100B) adjacent to the radially external branch and to be covered thus the connection portion. Abstract Figure: Figure 4

FR2205117A 2022-05-30 2022-05-30 FLAME HOLDER RING FOR TURBORE ENGINE AFTERCOMBUSTION COMPRISING A DUCT FOR HEATING AN ANGULAR SEGMENT OF THE RING Active FR3136016B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2205117A FR3136016B1 (en) 2022-05-30 2022-05-30 FLAME HOLDER RING FOR TURBORE ENGINE AFTERCOMBUSTION COMPRISING A DUCT FOR HEATING AN ANGULAR SEGMENT OF THE RING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2205117 2022-05-30
FR2205117A FR3136016B1 (en) 2022-05-30 2022-05-30 FLAME HOLDER RING FOR TURBORE ENGINE AFTERCOMBUSTION COMPRISING A DUCT FOR HEATING AN ANGULAR SEGMENT OF THE RING

Publications (2)

Publication Number Publication Date
FR3136016A1 FR3136016A1 (en) 2023-12-01
FR3136016B1 true FR3136016B1 (en) 2024-05-03

Family

ID=84569024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2205117A Active FR3136016B1 (en) 2022-05-30 2022-05-30 FLAME HOLDER RING FOR TURBORE ENGINE AFTERCOMBUSTION COMPRISING A DUCT FOR HEATING AN ANGULAR SEGMENT OF THE RING

Country Status (1)

Country Link
FR (1) FR3136016B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765178A (en) * 1972-09-08 1973-10-16 Gen Electric Afterburner flameholder
US4798048A (en) * 1987-12-21 1989-01-17 United Technologies Corporation Augmentor pilot
FR2866675B1 (en) * 2004-02-24 2008-05-16 Snecma Moteurs METHOD FOR IMPROVING POST-COMBUSTION DEVICE IGNITION PERFORMANCE FOR DOUBLE FLOW TURBOREACTOR AND POST-COMBUSTION DEVICE WITH IMPROVED IGNITION PERFORMANCE

Also Published As

Publication number Publication date
FR3136016A1 (en) 2023-12-01

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