JPS5337253A - Detection method of eroded position of hydraulic machine by cavitation - Google Patents

Detection method of eroded position of hydraulic machine by cavitation

Info

Publication number
JPS5337253A
JPS5337253A JP11184176A JP11184176A JPS5337253A JP S5337253 A JPS5337253 A JP S5337253A JP 11184176 A JP11184176 A JP 11184176A JP 11184176 A JP11184176 A JP 11184176A JP S5337253 A JPS5337253 A JP S5337253A
Authority
JP
Japan
Prior art keywords
cavitation
detection method
hydraulic machine
eroded
eroded position
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
JP11184176A
Other languages
Japanese (ja)
Other versions
JPS5854270B2 (en
Inventor
Tomoyoshi Okamura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP51111841A priority Critical patent/JPS5854270B2/en
Publication of JPS5337253A publication Critical patent/JPS5337253A/en
Publication of JPS5854270B2 publication Critical patent/JPS5854270B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Hydraulic Turbines (AREA)

Abstract

PURPOSE: To detect directly an eroded position by cavitation using colouring and fading films by pressure change.
COPYRIGHT: (C)1978,JPO&Japio
JP51111841A 1976-09-20 1976-09-20 Method for detecting erosion position by cavitation in hydraulic machinery Expired JPS5854270B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51111841A JPS5854270B2 (en) 1976-09-20 1976-09-20 Method for detecting erosion position by cavitation in hydraulic machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51111841A JPS5854270B2 (en) 1976-09-20 1976-09-20 Method for detecting erosion position by cavitation in hydraulic machinery

Publications (2)

Publication Number Publication Date
JPS5337253A true JPS5337253A (en) 1978-04-06
JPS5854270B2 JPS5854270B2 (en) 1983-12-03

Family

ID=14571502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51111841A Expired JPS5854270B2 (en) 1976-09-20 1976-09-20 Method for detecting erosion position by cavitation in hydraulic machinery

Country Status (1)

Country Link
JP (1) JPS5854270B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611961A (en) * 1979-07-10 1981-02-05 T Hasegawa Co Ltd Paprika color preparation
JPS61207470A (en) * 1985-03-12 1986-09-13 Nippon Terupen Kagaku Kk Production of concentrated paprika pigment
JP2007327455A (en) * 2006-06-09 2007-12-20 Hitachi Plant Technologies Ltd Predicting method of cavitation damage quantity of fluid machine and its predicting system
JP2009209792A (en) * 2008-03-04 2009-09-17 Ebara Corp Erosion prediction method of hydraulic machine and erosion prediction device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611961A (en) * 1979-07-10 1981-02-05 T Hasegawa Co Ltd Paprika color preparation
JPS6261076B2 (en) * 1979-07-10 1987-12-19 Hasegawa T Co Ltd
JPS61207470A (en) * 1985-03-12 1986-09-13 Nippon Terupen Kagaku Kk Production of concentrated paprika pigment
JPS6330346B2 (en) * 1985-03-12 1988-06-17 Nippon Terupen Kagaku Kk
JP2007327455A (en) * 2006-06-09 2007-12-20 Hitachi Plant Technologies Ltd Predicting method of cavitation damage quantity of fluid machine and its predicting system
JP2009209792A (en) * 2008-03-04 2009-09-17 Ebara Corp Erosion prediction method of hydraulic machine and erosion prediction device

Also Published As

Publication number Publication date
JPS5854270B2 (en) 1983-12-03

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