CH450611A - Anordnung zur Vergrösserung des stabilen Arbeitsbereiches von ein- und mehrstufigen Axialverdichtern, Gebläsen, Ventilatoren und Pumpen mittels Grenzschichtbeseitigung - Google Patents

Anordnung zur Vergrösserung des stabilen Arbeitsbereiches von ein- und mehrstufigen Axialverdichtern, Gebläsen, Ventilatoren und Pumpen mittels Grenzschichtbeseitigung

Info

Publication number
CH450611A
CH450611A CH1783766A CH1783766A CH450611A CH 450611 A CH450611 A CH 450611A CH 1783766 A CH1783766 A CH 1783766A CH 1783766 A CH1783766 A CH 1783766A CH 450611 A CH450611 A CH 450611A
Authority
CH
Switzerland
Prior art keywords
blowers
enlarge
fans
pumps
arrangement
Prior art date
Application number
CH1783766A
Other languages
English (en)
Inventor
Simon Manfred
Original Assignee
Bbc Brown Boveri & Cie
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 & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH450611A publication Critical patent/CH450611A/de

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)
CH1783766A 1965-12-16 1966-12-14 Anordnung zur Vergrösserung des stabilen Arbeitsbereiches von ein- und mehrstufigen Axialverdichtern, Gebläsen, Ventilatoren und Pumpen mittels Grenzschichtbeseitigung CH450611A (de)

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
CH450611A true CH450611A (de) 1968-01-31

Family

ID=6982706

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1783766A CH450611A (de) 1965-12-16 1966-12-14 Anordnung zur Vergrösserung des stabilen Arbeitsbereiches von ein- und mehrstufigen Axialverdichtern, Gebläsen, Ventilatoren und Pumpen mittels Grenzschichtbeseitigung

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998030803A1 (en) * 1997-01-13 1998-07-16 Massachusetts Institute Of Technology Counter-rotating compressors with control of boundary layers by fluid removal
EP2226510A3 (de) * 2003-11-26 2011-06-15 Rolls-Royce Deutschland Ltd & Co KG Strömungsarbeitsmaschine mit Fluidzufuhr zur Grenzschichtbeeinflussung

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
DE10233032A1 (de) * 2002-07-20 2004-01-29 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit integriertem Fluidzirkulationssystem
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
FR2927673B1 (fr) * 2008-02-14 2013-10-11 Snecma Aube de soufflante avec aspiration en pied et soufflage en tete
DE102014009735B4 (de) * 2014-07-02 2021-07-15 Rosswag Gmbh Laufrad einer Strömungsmaschine
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
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
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
GB202316388D0 (en) 2023-10-26 2023-12-13 Rolls Royce Plc Guide vane assembly

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998030803A1 (en) * 1997-01-13 1998-07-16 Massachusetts Institute Of Technology Counter-rotating compressors with control of boundary layers by fluid removal
EP2226510A3 (de) * 2003-11-26 2011-06-15 Rolls-Royce Deutschland Ltd & Co KG Strömungsarbeitsmaschine mit Fluidzufuhr zur Grenzschichtbeeinflussung

Also Published As

Publication number Publication date
GB1163328A (en) 1969-09-04
DE1301432B (de) 1969-08-21
FR1505043A (fr) 1967-12-08

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