NL7713998A - DEVICE FOR MEASURING THE SPEED OF FLUIDUM FLOWS. - Google Patents

DEVICE FOR MEASURING THE SPEED OF FLUIDUM FLOWS.

Info

Publication number
NL7713998A
NL7713998A NL7713998A NL7713998A NL7713998A NL 7713998 A NL7713998 A NL 7713998A NL 7713998 A NL7713998 A NL 7713998A NL 7713998 A NL7713998 A NL 7713998A NL 7713998 A NL7713998 A NL 7713998A
Authority
NL
Netherlands
Prior art keywords
fluidum
flows
measuring
speed
fluidum flows
Prior art date
Application number
NL7713998A
Other languages
Dutch (nl)
Original Assignee
Tno
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 Tno filed Critical Tno
Priority to NL7713998A priority Critical patent/NL7713998A/en
Priority to DE19782854321 priority patent/DE2854321A1/en
Publication of NL7713998A publication Critical patent/NL7713998A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
NL7713998A 1977-12-16 1977-12-16 DEVICE FOR MEASURING THE SPEED OF FLUIDUM FLOWS. NL7713998A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL7713998A NL7713998A (en) 1977-12-16 1977-12-16 DEVICE FOR MEASURING THE SPEED OF FLUIDUM FLOWS.
DE19782854321 DE2854321A1 (en) 1977-12-16 1978-12-15 Electroacoustic fluid flow speed measurement - involves transducer pair and evaluation circuit with inverse square function generator (nl 19.6.79)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7713998A NL7713998A (en) 1977-12-16 1977-12-16 DEVICE FOR MEASURING THE SPEED OF FLUIDUM FLOWS.

Publications (1)

Publication Number Publication Date
NL7713998A true NL7713998A (en) 1979-06-19

Family

ID=19829779

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7713998A NL7713998A (en) 1977-12-16 1977-12-16 DEVICE FOR MEASURING THE SPEED OF FLUIDUM FLOWS.

Country Status (2)

Country Link
DE (1) DE2854321A1 (en)
NL (1) NL7713998A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000876A1 (en) * 1978-10-25 1980-05-01 Rheometron Ag A device for measuring the flow velocity of fluids

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPP318098A0 (en) 1998-04-24 1998-05-21 Commonwealth Scientific And Industrial Research Organisation A liquid flow meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000876A1 (en) * 1978-10-25 1980-05-01 Rheometron Ag A device for measuring the flow velocity of fluids

Also Published As

Publication number Publication date
DE2854321A1 (en) 1979-06-21

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed