DK0875737T3 - Fremgangsmåde til ultralydsflowmåling - Google Patents

Fremgangsmåde til ultralydsflowmåling

Info

Publication number
DK0875737T3
DK0875737T3 DK98106867T DK98106867T DK0875737T3 DK 0875737 T3 DK0875737 T3 DK 0875737T3 DK 98106867 T DK98106867 T DK 98106867T DK 98106867 T DK98106867 T DK 98106867T DK 0875737 T3 DK0875737 T3 DK 0875737T3
Authority
DK
Denmark
Prior art keywords
flow measurement
ultrasonic flow
ultrasonic
measurement
flow
Prior art date
Application number
DK98106867T
Other languages
English (en)
Inventor
Bekkum Jan A Dr Van
Vladimir V Dr Smychliaev
Abram K Roskam
Original Assignee
Krohne Ag
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 Krohne Ag filed Critical Krohne Ag
Application granted granted Critical
Publication of DK0875737T3 publication Critical patent/DK0875737T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G01F1/668—Compensating or correcting for variations in velocity of sound
DK98106867T 1997-04-29 1998-04-16 Fremgangsmåde til ultralydsflowmåling DK0875737T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19717940A DE19717940C2 (de) 1997-04-29 1997-04-29 Ultraschall-Durchflußmeßverfahren

Publications (1)

Publication Number Publication Date
DK0875737T3 true DK0875737T3 (da) 2003-11-17

Family

ID=7828008

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98106867T DK0875737T3 (da) 1997-04-29 1998-04-16 Fremgangsmåde til ultralydsflowmåling

Country Status (7)

Country Link
US (1) US5908992A (da)
EP (1) EP0875737B1 (da)
JP (1) JP3220086B2 (da)
CA (1) CA2233780C (da)
DE (2) DE19717940C2 (da)
DK (1) DK0875737T3 (da)
NO (1) NO326597B1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7152490B1 (en) 2005-08-15 2006-12-26 Daniel Measurement And Control, Inc. Methods for determining transducer delay time and transducer separation in ultrasonic flow meters
DE102008055164A1 (de) 2008-12-29 2010-07-01 Endress + Hauser Flowtec Ag Messsystem zur Bestimmung und/oder Überwachung des Durchflusses eines Messmediums durch das Messrohr mittels Ultraschall
DE102013106108A1 (de) * 2013-06-12 2014-12-31 Endress + Hauser Flowtec Ag Verfahren zur Ermittlung eines kompensierten Durchflusses und/oder einer kompensierten Strömungsgeschwindigkeit, Ultraschall-Durchflussmessgerät und Computerprogrammprodukt
NO2744977T3 (da) 2015-04-14 2018-07-21
JP2020064002A (ja) * 2018-10-18 2020-04-23 愛知時計電機株式会社 流体状態判別装置及び超音波流量計

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078428A (en) * 1974-11-21 1978-03-14 National Research Development Corporation Measurement of fluid flow
US4523478A (en) * 1983-08-18 1985-06-18 Nusonics, Inc. Sonic flow meter having improved flow straighteners
US5437194A (en) * 1991-03-18 1995-08-01 Panametrics, Inc. Ultrasonic transducer system with temporal crosstalk isolation
DE4224372C2 (de) * 1992-07-23 1995-02-02 Kromschroeder Ag G Ultraschall-Gaszähler
TW229269B (da) * 1992-09-17 1994-09-01 United Sciences Inc
TW283763B (da) * 1992-10-06 1996-08-21 Caldon Inc
NL9301422A (nl) * 1993-08-17 1995-03-16 Servex Bv Werkwijze en inrichting voor het bepalen van eigenschappen van de stroming van een medium.
DK0715155T3 (da) * 1994-12-02 2001-08-13 Siemens Ag Ultralyd-flowmåleindretning
DE19503714A1 (de) * 1995-02-04 1996-08-08 Suedrohrbau Gmbh & Co Anordnung zur Bestimmung der Strömungsgeschwindigkeit eines Fluides in Rohren mit kreisförmigem Querschnitt mittels Ultraschall
NL1001719C2 (nl) * 1995-11-22 1997-05-23 Krohne Altometer Werkwijze en inrichting voor de ultrasone meting van de snelheid en doorstroomhoeveelheid van een medium in een buisleiding.

Also Published As

Publication number Publication date
JPH10311749A (ja) 1998-11-24
EP0875737A1 (de) 1998-11-04
DE19717940C2 (de) 1999-04-15
CA2233780C (en) 2002-08-13
DE19717940A1 (de) 1998-11-12
EP0875737B1 (de) 2003-08-06
DE59809176D1 (de) 2003-09-11
CA2233780A1 (en) 1998-10-29
US5908992A (en) 1999-06-01
NO981932L (no) 1998-10-30
NO326597B1 (no) 2009-01-19
NO981932D0 (no) 1998-04-29
JP3220086B2 (ja) 2001-10-22

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