IT1114636B - Dispositivo per misurare la velocita' di flusso per mezzo di onde acustiche - Google Patents

Dispositivo per misurare la velocita' di flusso per mezzo di onde acustiche

Info

Publication number
IT1114636B
IT1114636B IT25684/77A IT2568477A IT1114636B IT 1114636 B IT1114636 B IT 1114636B IT 25684/77 A IT25684/77 A IT 25684/77A IT 2568477 A IT2568477 A IT 2568477A IT 1114636 B IT1114636 B IT 1114636B
Authority
IT
Italy
Prior art keywords
speed
measure
acoustic waves
acoustic
waves
Prior art date
Application number
IT25684/77A
Other languages
English (en)
Original Assignee
Nord Micro Elektronik Feinmech
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 Nord Micro Elektronik Feinmech filed Critical Nord Micro Elektronik Feinmech
Application granted granted Critical
Publication of IT1114636B publication Critical patent/IT1114636B/it

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
    • 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
    • G01F1/05—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 using mechanical effects
    • G01F1/20—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 using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—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 using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3282—Means for detecting quantities used as proxy variables for swirl for detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation by passing through the swirling fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • 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
    • G01P5/01—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using swirlflowmeter
    • 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
    • G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Measuring Volume Flow (AREA)
IT25684/77A 1976-07-20 1977-07-13 Dispositivo per misurare la velocita' di flusso per mezzo di onde acustiche IT1114636B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2632553A DE2632553B2 (de) 1976-07-20 1976-07-20 Vorrichtung zum Messen einer Strömungsgeschwindigkeit

Publications (1)

Publication Number Publication Date
IT1114636B true IT1114636B (it) 1986-01-27

Family

ID=5983453

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25684/77A IT1114636B (it) 1976-07-20 1977-07-13 Dispositivo per misurare la velocita' di flusso per mezzo di onde acustiche

Country Status (4)

Country Link
DE (1) DE2632553B2 (it)
FR (1) FR2359427A1 (it)
GB (1) GB1583490A (it)
IT (1) IT1114636B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496876A1 (fr) * 1980-12-18 1982-06-25 Schlumberger Prospection Debitmetre a emission de tourbillons utilisable en particulier dans un puits producteur d'hydrocarbures
US4429582A (en) * 1981-12-10 1984-02-07 The Babcock & Wilcox Company Vortex shedding flowmeter circuit with analog and pulse output signal
GB2120384A (en) * 1982-05-19 1983-11-30 Bestobell Fluid flow meter
GB2142725A (en) * 1983-06-21 1985-01-23 United Gas Industries Ltd Fluid flow meter
US4735094A (en) * 1987-01-28 1988-04-05 Universal Vortex, Inc. Dual bluff body vortex flowmeter
US8240331B2 (en) 2008-10-16 2012-08-14 Honeywell International Inc. Negative pressure relief valve assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756043A (fr) * 1969-09-12 1971-02-15 J Tec Ass Inc Procede et appareil pour le relevement sonique de la vitesse
US3797309A (en) * 1972-07-31 1974-03-19 J Tec Ass Inc Method and apparatus for sensing the relative direction and velocity of movement of a body in a liquid or gas medium

Also Published As

Publication number Publication date
FR2359427A1 (fr) 1978-02-17
DE2632553B2 (de) 1979-07-12
GB1583490A (en) 1981-01-28
DE2632553A1 (de) 1978-01-26

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