FR2952434B1 - DISTORTION GRID CAPABLE OF ADJUSTING THE OBSTRUCTION OF AN AIR FLOW INTO A TURBOREACTOR - Google Patents

DISTORTION GRID CAPABLE OF ADJUSTING THE OBSTRUCTION OF AN AIR FLOW INTO A TURBOREACTOR

Info

Publication number
FR2952434B1
FR2952434B1 FR0957959A FR0957959A FR2952434B1 FR 2952434 B1 FR2952434 B1 FR 2952434B1 FR 0957959 A FR0957959 A FR 0957959A FR 0957959 A FR0957959 A FR 0957959A FR 2952434 B1 FR2952434 B1 FR 2952434B1
Authority
FR
France
Prior art keywords
turboreactor
obstruction
adjusting
air flow
distortion grid
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
FR0957959A
Other languages
French (fr)
Other versions
FR2952434A1 (en
Inventor
Fabien Pouchard
Michel Schropf
Christophe Grellat
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
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR0957959A priority Critical patent/FR2952434B1/en
Publication of FR2952434A1 publication Critical patent/FR2952434A1/en
Application granted granted Critical
Publication of FR2952434B1 publication Critical patent/FR2952434B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
    • 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
    • F05D2240/00—Components
    • F05D2240/40—Use of a multiplicity of similar components
    • 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
    • F05D2250/10—Two-dimensional
    • F05D2250/19—Two-dimensional machined; miscellaneous
    • F05D2250/191—Two-dimensional machined; miscellaneous perforated
    • 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
    • F05D2250/40—Movement of components
    • F05D2250/41—Movement of components with one degree of freedom
    • F05D2250/411—Movement of components with one degree of freedom in rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0957959A 2009-11-12 2009-11-12 DISTORTION GRID CAPABLE OF ADJUSTING THE OBSTRUCTION OF AN AIR FLOW INTO A TURBOREACTOR Active FR2952434B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0957959A FR2952434B1 (en) 2009-11-12 2009-11-12 DISTORTION GRID CAPABLE OF ADJUSTING THE OBSTRUCTION OF AN AIR FLOW INTO A TURBOREACTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957959A FR2952434B1 (en) 2009-11-12 2009-11-12 DISTORTION GRID CAPABLE OF ADJUSTING THE OBSTRUCTION OF AN AIR FLOW INTO A TURBOREACTOR

Publications (2)

Publication Number Publication Date
FR2952434A1 FR2952434A1 (en) 2011-05-13
FR2952434B1 true FR2952434B1 (en) 2012-06-29

Family

ID=42273233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957959A Active FR2952434B1 (en) 2009-11-12 2009-11-12 DISTORTION GRID CAPABLE OF ADJUSTING THE OBSTRUCTION OF AN AIR FLOW INTO A TURBOREACTOR

Country Status (1)

Country Link
FR (1) FR2952434B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103471852B (en) * 2013-09-27 2015-10-28 北京动力机械研究所 Flow distortion simulation device
CN113565581B (en) * 2020-04-28 2023-09-01 中国航发商用航空发动机有限责任公司 Pressure distortion simulation device, system and method
CN112798286B (en) * 2021-03-19 2021-07-06 中国航发上海商用航空发动机制造有限责任公司 Distortion generating device for aircraft engine
CN113074943B (en) * 2021-03-23 2023-05-30 中国人民解放军空军工程大学 Oscillating total pressure distortion generating device
CN114739680B (en) * 2022-03-07 2023-02-10 西北工业大学 Design method of aero-engine intake distortion system
CN115452388A (en) * 2022-10-17 2022-12-09 北京航空航天大学 Distortion index proportion adjustable total pressure distortion generator, flow field experimental apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759091A (en) * 1971-07-02 1973-09-18 Gen Electric Engine inlet distortion testing apparatus
FR2860045B1 (en) * 2003-09-24 2006-01-06 Snecma Moteurs VENTILATION SYSTEM FOR A DIVERGENT CONVERGENT EJECTION TUBE
EP1555420B1 (en) * 2003-12-23 2007-06-13 Techspace Aero S.A. Process and apparatus for optimizing the flow regulation of a fluid by adapting the pressure drop
FR2900445B1 (en) * 2006-04-28 2013-02-08 Snecma TURBOREACTOR COMPRISING A POST COMBUSTION CHANNEL COOLED BY A VARIABLE FLOW VENTILATION FLOW
EP1936468A1 (en) * 2006-12-22 2008-06-25 Siemens Aktiengesellschaft Bi-metallic elements for adjusting a cooling channel

Also Published As

Publication number Publication date
FR2952434A1 (en) 2011-05-13

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