FR2323041A1 - Diffuseur subsonique court pour rapports de pression eleves - Google Patents

Diffuseur subsonique court pour rapports de pression eleves

Info

Publication number
FR2323041A1
FR2323041A1 FR7626234A FR7626234A FR2323041A1 FR 2323041 A1 FR2323041 A1 FR 2323041A1 FR 7626234 A FR7626234 A FR 7626234A FR 7626234 A FR7626234 A FR 7626234A FR 2323041 A1 FR2323041 A1 FR 2323041A1
Authority
FR
France
Prior art keywords
short
high pressure
pressure ratios
subsonic diffuser
subsonic
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.)
Withdrawn
Application number
FR7626234A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2323041A1 publication Critical patent/FR2323041A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/914—Device to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
FR7626234A 1975-09-02 1976-08-31 Diffuseur subsonique court pour rapports de pression eleves Withdrawn FR2323041A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/609,439 US4029430A (en) 1975-09-02 1975-09-02 Short subsonic diffuser for large pressure ratios

Publications (1)

Publication Number Publication Date
FR2323041A1 true FR2323041A1 (fr) 1977-04-01

Family

ID=24440805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626234A Withdrawn FR2323041A1 (fr) 1975-09-02 1976-08-31 Diffuseur subsonique court pour rapports de pression eleves

Country Status (7)

Country Link
US (1) US4029430A (fr)
JP (1) JPS5232106A (fr)
DE (1) DE2636524B2 (fr)
FR (1) FR2323041A1 (fr)
IT (1) IT1071429B (fr)
NO (1) NO763025L (fr)
SE (1) SE7609488L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000049297A1 (fr) * 1999-02-15 2000-08-24 Universität Stuttgart Diffuseur sans pulsations de l'interface d'impact, et procede pour empecher les pulsations de l'interface d'impact de diffuseurs

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558840C2 (de) * 1975-12-27 1983-03-24 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Einrichtung zur Verminderung des Kavitationsverschleisses
FR2401311A1 (fr) * 1977-08-25 1979-03-23 Europ Turb Vapeur Dispositif d'echappement pour turbine axiale a fluide condensable
DE2810444C2 (de) * 1978-03-10 1985-01-17 Kraftwerk Union AG, 4330 Mülheim Spaltförmige Leitapparatur zur Führung gasförmiger Strömungen bei der Trennung von Isotopengemischen unter selektiver Laseranregung
US4231971A (en) * 1979-04-11 1980-11-04 Dresser Industries, Inc. Flow method and device
US5603605A (en) * 1996-04-01 1997-02-18 Fonda-Bonardi; G. Diffuser
US6896475B2 (en) * 2002-11-13 2005-05-24 General Electric Company Fluidic actuation for improved diffuser performance
US6843059B2 (en) * 2002-11-19 2005-01-18 General Electric Company Combustor inlet diffuser with boundary layer blowing
DE102004007145B4 (de) * 2004-02-12 2009-09-24 Noorkami Jamshid Strömungsleitelement und eine damit ausgestattete strömungstechnische Anlage
US7326027B1 (en) 2004-05-25 2008-02-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Devices and methods of operation thereof for providing stable flow for centrifugal compressors
CN100416623C (zh) * 2006-01-18 2008-09-03 浙江大学 自循环电测动量定律实验仪
US20090257868A1 (en) * 2008-04-09 2009-10-15 Giusto Fonda-Bonardi Diffuser
US8647057B2 (en) * 2009-06-02 2014-02-11 Siemens Energy, Inc. Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
US8668449B2 (en) * 2009-06-02 2014-03-11 Siemens Energy, Inc. Turbine exhaust diffuser with region of reduced flow area and outer boundary gas flow
IT1401976B1 (it) * 2010-09-28 2013-08-28 Testa Propulsore per la movimentazione di natanti in genere.
US20130149107A1 (en) * 2011-12-08 2013-06-13 Mrinal Munshi Gas turbine outer case active ambient cooling including air exhaust into a sub-ambient region of exhaust flow

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123285A (en) * 1964-03-03 Diffuser with boundary layer control
US1375601A (en) * 1919-03-27 1921-04-19 Morize Ernest Propelling device for use on vehicles, marine vessels, or aircraft
US2000741A (en) * 1933-10-26 1935-05-07 Gen Electric Fluid jet pump
US2410769A (en) * 1941-05-07 1946-11-05 Vickers Electrical Co Ltd Turbine, turbine type compressor, and the like rotating machine
US2418801A (en) * 1942-03-25 1947-04-08 Vickers Electrical Co Ltd Internal-combustion turbine plant
GB652749A (en) * 1948-01-26 1951-05-02 Willem Petrus Van Lammeren Improvements in or relating to air or the like compressors
DE834474C (de) * 1950-07-01 1952-04-15 Maschf Augsburg Nuernberg Ag Axial beaufschlagte Kreiselrad-Stroemungsmaschine, insbesondere Gas- oder Luftturbine mit Austrittsdiffusor
US2819675A (en) * 1953-08-18 1958-01-14 Worthington Corp Propeller pump or blower
FR1117244A (fr) * 1954-12-20 1956-05-18 Snecma Soufflerie supersonique à nombre de mach variable
US2808197A (en) * 1955-12-27 1957-10-01 Licencia Talalmanyokat Fan assembly
US2892582A (en) * 1956-08-17 1959-06-30 O'rourke Neil Simplified boundary layer control for a jet
SU141488A1 (ru) * 1961-03-20 1961-11-30 конов Р.И. Дь Диффузор
US3599431A (en) * 1969-04-18 1971-08-17 Robert S Estes Fluid-dynamic engine
DE2200102C3 (de) * 1972-01-03 1975-02-06 Ustav Pro Vyzkum Motorovych Vozidel, Prag Vorrichtung zur Erzeugung eines Arbeitsgasstromes
AT365261B (de) * 1974-03-01 1981-12-28 Weiss Gustav Ing Kanalschachtabschluss

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000049297A1 (fr) * 1999-02-15 2000-08-24 Universität Stuttgart Diffuseur sans pulsations de l'interface d'impact, et procede pour empecher les pulsations de l'interface d'impact de diffuseurs

Also Published As

Publication number Publication date
DE2636524A1 (de) 1977-03-03
JPS5232106A (en) 1977-03-11
DE2636524B2 (de) 1979-01-04
SE7609488L (sv) 1977-03-03
US4029430A (en) 1977-06-14
AU1737576A (en) 1978-03-09
NO763025L (fr) 1977-03-03
IT1071429B (it) 1985-04-10

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Legal Events

Date Code Title Description
ST Notification of lapse