JPS57154577A - Monitoring method of cavitation in reducing valve - Google Patents

Monitoring method of cavitation in reducing valve

Info

Publication number
JPS57154577A
JPS57154577A JP3785281A JP3785281A JPS57154577A JP S57154577 A JPS57154577 A JP S57154577A JP 3785281 A JP3785281 A JP 3785281A JP 3785281 A JP3785281 A JP 3785281A JP S57154577 A JPS57154577 A JP S57154577A
Authority
JP
Japan
Prior art keywords
cavitation
reducing valve
coefficient
water pressure
valve
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.)
Pending
Application number
JP3785281A
Other languages
English (en)
Inventor
Teruo Takagi
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
Hitachi Information and Control Systems Inc
Original Assignee
Hitachi Ltd
Hitachi Control Systems Inc
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, Hitachi Control Systems Inc filed Critical Hitachi Ltd
Priority to JP3785281A priority Critical patent/JPS57154577A/ja
Publication of JPS57154577A publication Critical patent/JPS57154577A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
JP3785281A 1981-03-18 1981-03-18 Monitoring method of cavitation in reducing valve Pending JPS57154577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3785281A JPS57154577A (en) 1981-03-18 1981-03-18 Monitoring method of cavitation in reducing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3785281A JPS57154577A (en) 1981-03-18 1981-03-18 Monitoring method of cavitation in reducing valve

Publications (1)

Publication Number Publication Date
JPS57154577A true JPS57154577A (en) 1982-09-24

Family

ID=12509063

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3785281A Pending JPS57154577A (en) 1981-03-18 1981-03-18 Monitoring method of cavitation in reducing valve

Country Status (1)

Country Link
JP (1) JPS57154577A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012255746A (ja) * 2011-06-10 2012-12-27 Azbil Corp キャビテーション診断装置および診断方法
CN108763745A (zh) * 2018-05-28 2018-11-06 中国电建集团成都勘测设计研究院有限公司 贯流式水轮机电站空化系数计算方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012255746A (ja) * 2011-06-10 2012-12-27 Azbil Corp キャビテーション診断装置および診断方法
CN108763745A (zh) * 2018-05-28 2018-11-06 中国电建集团成都勘测设计研究院有限公司 贯流式水轮机电站空化系数计算方法

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