NL7801401A - SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM. - Google Patents

SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM.

Info

Publication number
NL7801401A
NL7801401A NL7801401A NL7801401A NL7801401A NL 7801401 A NL7801401 A NL 7801401A NL 7801401 A NL7801401 A NL 7801401A NL 7801401 A NL7801401 A NL 7801401A NL 7801401 A NL7801401 A NL 7801401A
Authority
NL
Netherlands
Prior art keywords
fluidum
measuring
speed
flow
Prior art date
Application number
NL7801401A
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 NL7801401A priority Critical patent/NL7801401A/en
Publication of NL7801401A publication Critical patent/NL7801401A/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)
NL7801401A 1978-02-07 1978-02-07 SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM. NL7801401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7801401A NL7801401A (en) 1978-02-07 1978-02-07 SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7801401A NL7801401A (en) 1978-02-07 1978-02-07 SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM.

Publications (1)

Publication Number Publication Date
NL7801401A true NL7801401A (en) 1979-08-09

Family

ID=19830290

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7801401A NL7801401A (en) 1978-02-07 1978-02-07 SYSTEM FOR MEASURING THE SPEED AND / OR THE FLOW OF A FLUIDUM.

Country Status (1)

Country Link
NL (1) NL7801401A (en)

Cited By (2)

* 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
EP0829734A2 (en) * 1996-09-11 1998-03-18 Siemens Aktiengesellschaft Method and device for measuring the difference in time of travel of an electrical, electromagnetic or acoustic signal

Cited By (3)

* 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
EP0829734A2 (en) * 1996-09-11 1998-03-18 Siemens Aktiengesellschaft Method and device for measuring the difference in time of travel of an electrical, electromagnetic or acoustic signal
EP0829734A3 (en) * 1996-09-11 1998-09-23 Siemens Aktiengesellschaft Method and device for measuring the difference in time of travel of an electrical, electromagnetic or acoustic signal

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed