GB2000249B - Method of preventing destructive phenomena connected with cavitation - Google Patents

Method of preventing destructive phenomena connected with cavitation

Info

Publication number
GB2000249B
GB2000249B GB7826351A GB7826351A GB2000249B GB 2000249 B GB2000249 B GB 2000249B GB 7826351 A GB7826351 A GB 7826351A GB 7826351 A GB7826351 A GB 7826351A GB 2000249 B GB2000249 B GB 2000249B
Authority
GB
United Kingdom
Prior art keywords
cavitation
preventing destructive
destructive phenomena
phenomena connected
preventing
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
GB7826351A
Other versions
GB2000249A (en
Inventor
Yves Lecoffre
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.)
Alsthom Atlantique SA
Original Assignee
Alsthom Atlantique 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 Alsthom Atlantique SA filed Critical Alsthom Atlantique SA
Publication of GB2000249A publication Critical patent/GB2000249A/en
Application granted granted Critical
Publication of GB2000249B publication Critical patent/GB2000249B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/002—Injecting air or other fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/04—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator for diminishing cavitation or vibration, e.g. balancing
    • 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
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/04—Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB7826351A 1977-06-08 1978-06-05 Method of preventing destructive phenomena connected with cavitation Expired GB2000249B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777717499A FR2393964A1 (en) 1977-06-08 1977-06-08 METHOD FOR PREVENTING DESTRUCTIVE PHENOMENA RELATED TO CAVITATION

Publications (2)

Publication Number Publication Date
GB2000249A GB2000249A (en) 1979-01-04
GB2000249B true GB2000249B (en) 1982-02-03

Family

ID=9191824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7826351A Expired GB2000249B (en) 1977-06-08 1978-06-05 Method of preventing destructive phenomena connected with cavitation

Country Status (3)

Country Link
FR (1) FR2393964A1 (en)
GB (1) GB2000249B (en)
IT (1) IT1094887B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007218099A (en) * 2006-02-14 2007-08-30 Tokyo Electric Power Co Inc:The Hydraulic turbine runner and hydraulic turbine runner system
GB2497763A (en) * 2011-12-20 2013-06-26 Ocean Flow Energy Ltd Air injection system for reducing hydrodynamic loads on water turbine blades
DE102016207977A1 (en) * 2016-05-10 2017-05-11 Voith Patent Gmbh Impeller for a hydraulic machine
CN106194768B (en) * 2016-08-31 2018-08-10 徐州潜龙泵业有限公司 Cavitation-preventive canned motor pump
CN106702993B (en) * 2016-12-19 2019-01-18 水利部交通运输部国家能源局南京水利科学研究院 The anti-cavitation method of water-delivery valve top sealing
CN108612678B (en) * 2018-04-20 2020-01-10 浙江理工大学 Cavitation-resistant air supply device suitable for different cavitation areas of centrifugal pump
CN114370547B (en) * 2022-03-22 2022-05-31 潍柴动力股份有限公司 Exhaust pipe for improving efficiency of exhaust system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291281A (en) * 1927-10-29 1928-05-31 William Lovis Improvements in or relating to ships' propellers
GB392895A (en) * 1930-08-27 1933-05-25 Francis Edward Colbert Improvements in screw propellers
GB396716A (en) * 1932-02-08 1933-08-08 Edward Ernest Tully Improvements in or relating to ships' propellers
GB400913A (en) * 1932-01-29 1933-11-02 Louis Jauch Improvements in hydraulic or aerial propellers or receivers
GB792243A (en) * 1953-08-27 1958-03-26 Commw Of Australia Control of boundary-layer flow
GB986797A (en) * 1960-04-09 1965-03-24 Hussein Haekal Improvements in and relating to machines comprising a bladed rotor such as water turbines and pumps
GB997943A (en) * 1961-05-19 1965-07-14 Hovercraft Dev Ltd Fluid curtains for protecting or shielding a body
GB1153137A (en) * 1965-08-31 1969-05-21 Hovercraft Dev Ltd Cycloidal Propeller
GB1170359A (en) * 1966-11-18 1969-11-12 Bowles Eng Corp A Fluid-Operated Fluid-Flow Control Device
GB1485515A (en) * 1973-12-04 1977-09-14 Norges Skipsforskningsinst Method and means to prevent cavitation erosion in propeller ducts

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB291281A (en) * 1927-10-29 1928-05-31 William Lovis Improvements in or relating to ships' propellers
GB392895A (en) * 1930-08-27 1933-05-25 Francis Edward Colbert Improvements in screw propellers
GB400913A (en) * 1932-01-29 1933-11-02 Louis Jauch Improvements in hydraulic or aerial propellers or receivers
GB396716A (en) * 1932-02-08 1933-08-08 Edward Ernest Tully Improvements in or relating to ships' propellers
GB792243A (en) * 1953-08-27 1958-03-26 Commw Of Australia Control of boundary-layer flow
GB986797A (en) * 1960-04-09 1965-03-24 Hussein Haekal Improvements in and relating to machines comprising a bladed rotor such as water turbines and pumps
GB997943A (en) * 1961-05-19 1965-07-14 Hovercraft Dev Ltd Fluid curtains for protecting or shielding a body
GB1153137A (en) * 1965-08-31 1969-05-21 Hovercraft Dev Ltd Cycloidal Propeller
GB1170359A (en) * 1966-11-18 1969-11-12 Bowles Eng Corp A Fluid-Operated Fluid-Flow Control Device
GB1485515A (en) * 1973-12-04 1977-09-14 Norges Skipsforskningsinst Method and means to prevent cavitation erosion in propeller ducts

Also Published As

Publication number Publication date
FR2393964B1 (en) 1980-01-04
GB2000249A (en) 1979-01-04
IT7823975A0 (en) 1978-05-30
FR2393964A1 (en) 1979-01-05
IT1094887B (en) 1985-08-10

Similar Documents

Publication Publication Date Title
GB1551683A (en) Well centralizer and method of making
GB2000249B (en) Method of preventing destructive phenomena connected with cavitation
JPS5491505A (en) Method of preventing crack occurrence
JPS53148017A (en) Cross over putting into member of pipe
JPS5420593A (en) Method of construction of stern
JPS5430606A (en) Method of hardening soil
DK315878A (en) AMIDINO-BENZYLPYRIMIDINES AND THE METHOD OF PREPARATION
JPS53149916A (en) Method of oxidizing buthane
JPS53126711A (en) Method of injecting grout
JPS5414927A (en) Lower alkyll22trii*lower*alkylsilylacetylenee nncarboethoxyglycinate and method of using same
JPS53141027A (en) Method of preventing
JPS5427211A (en) Method of construction of improving line ground
JPS53103697A (en) Method of projecting water
JPS53148807A (en) Method of construction
JPS5424412A (en) Method of construction of injecting chemicals
JPS5433315A (en) Method of construction of injecting chemicals
JPS542714A (en) Method of improving piezooelectric element
JPS5444301A (en) Method of construction of underwater structure
JPS5452843A (en) Method of construction of culvert
JPS5387285A (en) Construction method of tanks
JPS5440497A (en) Method of construction of concrete hull
JPS5457327A (en) Method of construction of thunnel
JPS5452809A (en) Method of construction of injecting chemicals
JPS5450678A (en) Migration inhibitor of disperse dyestuff
JPS53105804A (en) Method of cultivation with underground water

Legal Events

Date Code Title Description
PG Patent granted