FR1505043A - Dispositif pour augmenter la zone de stabilité des compresseurs axiaux, des soufflantes, des ventilateurs, et des pompes à un ou plusieurs étages en évitant la formation d'une couche limite - Google Patents

Dispositif pour augmenter la zone de stabilité des compresseurs axiaux, des soufflantes, des ventilateurs, et des pompes à un ou plusieurs étages en évitant la formation d'une couche limite

Info

Publication number
FR1505043A
FR1505043A FR87353A FR87353A FR1505043A FR 1505043 A FR1505043 A FR 1505043A FR 87353 A FR87353 A FR 87353A FR 87353 A FR87353 A FR 87353A FR 1505043 A FR1505043 A FR 1505043A
Authority
FR
France
Prior art keywords
blowers
fans
preventing
formation
increasing
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
FR87353A
Other languages
English (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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of FR1505043A publication Critical patent/FR1505043A/fr
Expired legal-status Critical Current

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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/324—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/684—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid injection
    • 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
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR87353A 1965-12-16 1966-12-14 Dispositif pour augmenter la zone de stabilité des compresseurs axiaux, des soufflantes, des ventilateurs, et des pompes à un ou plusieurs étages en évitant la formation d'une couche limite Expired FR1505043A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB85002A DE1301432B (de) 1965-12-16 1965-12-16 Anordnung zur Vergroesserung des stabilen Arbeitsbereiches von ein- und mehrstufigenAxialverdichtern, Geblaesen, Ventilatoren und Pumpen mittels Grenzschichtbeseitigung

Publications (1)

Publication Number Publication Date
FR1505043A true FR1505043A (fr) 1967-12-08

Family

ID=6982706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR87353A Expired FR1505043A (fr) 1965-12-16 1966-12-14 Dispositif pour augmenter la zone de stabilité des compresseurs axiaux, des soufflantes, des ventilateurs, et des pompes à un ou plusieurs étages en évitant la formation d'une couche limite

Country Status (4)

Country Link
CH (1) CH450611A (fr)
DE (1) DE1301432B (fr)
FR (1) FR1505043A (fr)
GB (1) GB1163328A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927673A1 (fr) * 2008-02-14 2009-08-21 Snecma Sa Aube de soufflante avec aspiration en pied et soufflage en tete

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187261A (en) * 1986-01-06 1987-09-03 Secr Defence Controlling boundary layer
US5904470A (en) * 1997-01-13 1999-05-18 Massachusetts Institute Of Technology Counter-rotating compressors with control of boundary layers by fluid removal
DE10233032A1 (de) * 2002-07-20 2004-01-29 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit integriertem Fluidzirkulationssystem
DE10355241A1 (de) * 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidzufuhr
DE10355240A1 (de) * 2003-11-26 2005-07-07 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidentnahme
DE102005047016A1 (de) * 2005-09-30 2007-04-05 Mtu Aero Engines Gmbh Laufschaufel für eine axiale Turbomaschine
DE102014009735B4 (de) * 2014-07-02 2021-07-15 Rosswag Gmbh Laufrad einer Strömungsmaschine
CN105650005A (zh) * 2016-03-23 2016-06-08 上海钛灵特压缩机有限公司 对称布置离心压缩机
CN105650026A (zh) * 2016-03-23 2016-06-08 上海钛灵特压缩机有限公司 齿式传动离心压缩机叶轮
FR3065497B1 (fr) * 2017-04-21 2019-07-05 Safran Aircraft Engines Canal d'ejection d'air vers le sommet et vers l'aval d'une pale d'aube de turbomachine
IT201900003771A1 (it) * 2019-03-14 2020-09-14 Cofimco Srl Ventilatore assiale con elemento terminale di pala

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875984C (de) * 1940-10-22 1953-05-07 Westfalia Dinnendahl Groeppel Ausbildung der Stroemungskanaele in den Laufraedern von Radial- oder Halbradialgeblaesen
FR941756A (fr) * 1941-06-23 1949-01-20 Pompe à deux aubages avec refoulement axial
GB605363A (en) * 1943-06-11 1948-07-21 Edward Archibald Stalker Axial flow blower
US2344835A (en) * 1943-08-07 1944-03-21 Edward A Stalker Pump
US2738921A (en) * 1950-11-22 1956-03-20 United Aircraft Corp Boundary layer control apparatus for compressors
FR1087323A (fr) * 1953-07-21 1955-02-23 Rateau Soc Perfectionnements aux machines axiales de compression de fluide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927673A1 (fr) * 2008-02-14 2009-08-21 Snecma Sa Aube de soufflante avec aspiration en pied et soufflage en tete

Also Published As

Publication number Publication date
CH450611A (de) 1968-01-31
DE1301432B (de) 1969-08-21
GB1163328A (en) 1969-09-04

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