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EP2180193A3 - Flow work machine with edge energising near the suction side - Google Patents

Flow work machine with edge energising near the suction side 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
German (de)
French (fr)
Other versions
EP2180193B1 (en
EP2180193A2 (en
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/en
Publication of EP2180193A3 publication Critical patent/EP2180193A3/en
Application granted granted Critical
Publication of EP2180193B1 publication Critical patent/EP2180193B1/en
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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (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.

Figure imgaf001
The invention relates to a fluid flow machine with a main flow path (2), in which at least one row of blades (5) is arranged, wherein at least one blade end of a blade row has a fixed connection to the main flow path boundary and at least one fluid - supplied edge chamber (7) in At least one outlet (6) is provided in the region of the fixed blade end in the region of at least one blade suction side, through which fluid from the at least one edge chamber (7) on the surface of Hauptströmungspfadberandung in the main flow path can be diverted ,
Figure imgaf001
EP09010688.1A 2008-10-21 2009-08-19 Fluid-flow machine with edge energising near the suction side Active EP2180193B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008052409A DE102008052409A1 (en) 2008-10-21 2008-10-21 Turbomachine with near-suction edge energization

Publications (3)

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

Family

ID=41268473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09010688.1A Active EP2180193B1 (en) 2008-10-21 2009-08-19 Fluid-flow machine with edge energising near the suction side

Country Status (3)

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

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US10330121B2 (en) * 2015-02-26 2019-06-25 Honeywell International Inc. Systems and methods for axial compressor with secondary flow
US11149549B2 (en) * 2016-08-09 2021-10-19 Mitsubishi Heavy Industries Compressor Corporation Blade of steam turbine and steam turbine
EP3296573A1 (en) * 2016-09-20 2018-03-21 Siemens Aktiengesellschaft A technique for controlling rotating stall in compressor for a gas turbine engine
KR101757440B1 (en) * 2017-01-24 2017-07-12 이제이콥부희 Cavitation pump unit
US10876407B2 (en) * 2017-02-16 2020-12-29 General Electric Company Thermal structure for outer diameter mounted turbine blades
FR3084395B1 (en) * 2018-07-24 2020-10-30 Safran Aircraft Engines ENTREFER FINS FOR TURBOMACHINE COMPRESSOR
US10900414B2 (en) * 2018-11-23 2021-01-26 Pratt & Whitney Canada Corp. Fan assembly having flow recirculation circuit with guide vanes
CN113586163B (en) * 2021-07-05 2023-09-19 浙江理工大学 Wall surface rolling type blade with active jet structure
US20230417146A1 (en) * 2022-06-23 2023-12-28 Solar Turbines Incorporated Pneumatically variable turbine nozzle

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EP1609999A2 (en) * 2004-06-24 2005-12-28 Rolls-Royce Deutschland Ltd & Co KG Turbo machine

Also Published As

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

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