EP2180193A3 - Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung - Google Patents

Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung Download PDF

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Publication number
EP2180193A3
EP2180193A3 EP09010688.1A EP09010688A EP2180193A3 EP 2180193 A3 EP2180193 A3 EP 2180193A3 EP 09010688 A EP09010688 A EP 09010688A EP 2180193 A3 EP2180193 A3 EP 2180193A3
Authority
EP
European Patent Office
Prior art keywords
suction side
edge
work machine
flow work
flow path
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.)
Granted
Application number
EP09010688.1A
Other languages
English (en)
French (fr)
Other versions
EP2180193B1 (de
EP2180193A2 (de
Inventor
Volker Dr. Gümmer
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.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
Rolls Royce Deutschland Ltd and Co KG
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 Rolls Royce Deutschland Ltd and Co KG filed Critical Rolls Royce Deutschland Ltd and Co KG
Publication of EP2180193A2 publication Critical patent/EP2180193A2/de
Publication of EP2180193A3 publication Critical patent/EP2180193A3/de
Application granted granted Critical
Publication of EP2180193B1 publication Critical patent/EP2180193B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Die Erfindung bezieht sich auf eine Strömungsarbeitsmaschine mit einem Hauptströmungspfad (2), in welchem zumindest eine Reihe von Schaufeln (5) angeordnet ist, wobei mindestens ein Schaufelende einer Schaufelreihe eine feste Verbindung zur Hauptströmungspfadberandung aufweist und mindestens eine mit Fluid versorgte Randkammer (7) im Bereich dieses Schaufelendes außerhalb der Hauptströmungspfadberandung vorgesehen ist, wobei im Bereich des festen Schaufelendes im Bereich mindestens einer Schaufelsaugseite mindestens ein Auslass (6) vorgesehen ist, durch den Fluid aus der mindestens einen Randkammer (7) auf die Oberfläche der Hauptströmungspfadberandung in den Hauptströmungspfad ausleitbar ist.
EP09010688.1A 2008-10-21 2009-08-19 Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung Active EP2180193B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008052409A DE102008052409A1 (de) 2008-10-21 2008-10-21 Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung

Publications (3)

Publication Number Publication Date
EP2180193A2 EP2180193A2 (de) 2010-04-28
EP2180193A3 true EP2180193A3 (de) 2014-05-07
EP2180193B1 EP2180193B1 (de) 2018-10-10

Family

ID=41268473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010688.1A Active EP2180193B1 (de) 2008-10-21 2009-08-19 Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung

Country Status (3)

Country Link
US (1) US8834116B2 (de)
EP (1) EP2180193B1 (de)
DE (1) DE102008052409A1 (de)

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US10330121B2 (en) * 2015-02-26 2019-06-25 Honeywell International Inc. Systems and methods for axial compressor with secondary flow
WO2018029770A1 (ja) * 2016-08-09 2018-02-15 三菱重工コンプレッサ株式会社 蒸気タービン翼及び蒸気タービン
EP3296573A1 (de) * 2016-09-20 2018-03-21 Siemens Aktiengesellschaft Methodik zur behandlung von umlaufendem strömungsabriss in einem gasturbinen-verdichter
KR101757440B1 (ko) * 2017-01-24 2017-07-12 이제이콥부희 캐비테이션 펌프 유닛
US10876407B2 (en) * 2017-02-16 2020-12-29 General Electric Company Thermal structure for outer diameter mounted turbine blades
FR3084395B1 (fr) * 2018-07-24 2020-10-30 Safran Aircraft Engines Ailettes entrefer pour compresseur de turbomachine
US10900414B2 (en) * 2018-11-23 2021-01-26 Pratt & Whitney Canada Corp. Fan assembly having flow recirculation circuit with guide vanes
CN113586163B (zh) * 2021-07-05 2023-09-19 浙江理工大学 一种具有主动射流结构的壁面滚动式叶片
US20230417146A1 (en) * 2022-06-23 2023-12-28 Solar Turbines Incorporated Pneumatically variable turbine nozzle

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EP1536146A2 (de) * 2003-11-26 2005-06-01 Rolls-Royce Deutschland Ltd & Co KG Strömungsarbeitsmaschine mit Fluidentnahme
EP1609999A2 (de) * 2004-06-24 2005-12-28 Rolls-Royce Deutschland Ltd & Co KG Strömungsarbeitsmaschine

Also Published As

Publication number Publication date
US8834116B2 (en) 2014-09-16
DE102008052409A1 (de) 2010-04-22
EP2180193B1 (de) 2018-10-10
US20100098527A1 (en) 2010-04-22
EP2180193A2 (de) 2010-04-28

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