JPH0233323U - - Google Patents

Info

Publication number
JPH0233323U
JPH0233323U JP1989083621U JP8362189U JPH0233323U JP H0233323 U JPH0233323 U JP H0233323U JP 1989083621 U JP1989083621 U JP 1989083621U JP 8362189 U JP8362189 U JP 8362189U JP H0233323 U JPH0233323 U JP H0233323U
Authority
JP
Japan
Prior art keywords
acoustic
speed
flow meter
fluid
speed instruction
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
JP1989083621U
Other languages
English (en)
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 filed Critical
Publication of JPH0233323U publication Critical patent/JPH0233323U/ja
Pending legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Description

【図面の簡単な説明】
第１図は導管中における流体の流量を測定する
ための代表的な音響流量計装置の一部断面図、第
２図は第１図の管の端面図、第３図は第１図の信
号処理・制御装置を更に詳しく示したブロツク図
、第４図は第１図の導管における流体の速度を表
すグラフ、そして第５図はレイノルズ数に対する
計器係数の変化を示すグラフ、である。 １０……管、１２……管軸、１４，１６……ト
ランスジユーサ、Ｄ……直径、３２……タイミン
グ・制御回路、４０……時間計算回路、４２……
演算部、４６……定数ユニツト。尚、図中同一符
号は同一又は相当部分を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 通路における流体の流量を測定するための音
    響流量計装置であつて、 音響路に沿つて前記流体を通して音響エネルギ
    ーを放射するために導管に間隔をおいて別々に配
    設されたトランスジユースを含んでいて前記流体
    の速度を指示する速度指示回路と、 この速度指示回路と接続され、前記速度指示の
    関数としてレイノズル数を変えて前記速度指示を
    自動的に補償する補償回路とを備えた音響流量計
    装置。 ２ 前記通路は円形管であり、前記音響路は前記
    円形管の中心軸と交差している実用新案登録請求
    の範囲第１項記載の音響流量計装置。 ３ 前記補償回路は、前記速度指示を１以外の所
    定べき乗に累乗し、その後、所定定数で修正する
    ための演算回路を含んでいる実用新案登録請求の
    範囲第１項または第２項記載の音響流量計装置。 ４ 前記べき乗は１より大きい実用新案登録請求
    の範囲第３項記載の音響流量計装置。 ５ 前記定数値は手動装置によつて選択可能であ
    る実用新案登録請求の範囲第４項記載の音響流量
    計装置。
JP1989083621U 1979-04-05 1989-07-18 Pending JPH0233323U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/027,433 US4300400A (en) 1979-04-05 1979-04-05 Acoustic flowmeter with Reynolds number compensation

Publications (1)

Publication Number Publication Date
JPH0233323U true JPH0233323U (ja) 1990-03-02

Family

ID=21837709

Family Applications (2)

Application Number Title Priority Date Filing Date
JP4367180A Pending JPS55135714A (en) 1979-04-05 1980-04-04 Acoustic flow meter
JP1989083621U Pending JPH0233323U (ja) 1979-04-05 1989-07-18

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP4367180A Pending JPS55135714A (en) 1979-04-05 1980-04-04 Acoustic flow meter

Country Status (4)

Country Link
US (1) US4300400A (ja)
EP (1) EP0017475A1 (ja)
JP (2) JPS55135714A (ja)
CA (1) CA1131342A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331025A (en) * 1980-10-14 1982-05-25 Mapco, Inc. Methods of measuring fluid viscosity and flow rate
US4459858A (en) * 1981-09-18 1984-07-17 Marsh-Mcbirney, Inc. Flow meter having an electromagnetic sensor probe
JPS58167918A (ja) * 1982-03-29 1983-10-04 Toshiba Corp 超音波流速測定装置
US4495822A (en) * 1982-12-23 1985-01-29 Shell Oil Company Fluid flow meter
FR2551204B1 (fr) * 1983-04-12 1987-07-31 Faes Yves Procede et dispositif de mesure du temps de propagation d'une onde dans un ecoulement et application a un procede de determination de la vitesse de cet ecoulement
US4882934A (en) * 1986-03-12 1989-11-28 Charles B. Leffert Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream
US4726235A (en) * 1986-03-12 1988-02-23 Available Energy, Inc. Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream
US4930358A (en) * 1987-03-27 1990-06-05 Tokyo Keiki Co., Ltd. Method of and apparatus for measuring flow velocity by using ultrasonic waves
AU675074B2 (en) 1992-06-22 1997-01-23 Turf Stabilization Technologies, Inc. Improved surface for sports and other uses
NL9301422A (nl) * 1993-08-17 1995-03-16 Servex Bv Werkwijze en inrichting voor het bepalen van eigenschappen van de stroming van een medium.
US5597962A (en) * 1995-03-31 1997-01-28 Caldon, Inc. Apparatus for determining fluid flow
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.
US5710379A (en) * 1996-10-04 1998-01-20 Dieterich Technology Holding Corp. Apparatus and method for determining a flow count
JP4660091B2 (ja) * 2001-12-31 2011-03-30 東京エレクトロン株式会社 材料処理システムおよび材料処理システムを特徴づける方法
US7643947B2 (en) * 2004-12-02 2010-01-05 Siemens Industry, Inc. System and method for flow profile calibration correction for ultrasonic flowmeters
RU2447406C1 (ru) * 2010-07-28 2012-04-10 Сергей Анатольевич Кузнецов Ультразвуковой способ измерения расхода жидких и газообразных сред и устройство для его осуществления
DE102011080365A1 (de) 2011-08-03 2013-02-07 Endress + Hauser Flowtec Ag Verfahren zum Ermitteln des Durchflusses mittels Ultraschall
US9448150B2 (en) * 2014-02-03 2016-09-20 Cameron International Corporation Method and apparatus for determining kinematic viscosity through the transmission and reception of ultrasonic energy
US10473499B2 (en) 2017-11-16 2019-11-12 Cameron International Corporation System and method of metering with array of transducers
WO2023212350A1 (en) 2022-04-29 2023-11-02 Sensia Netherlands B.V. Ultrasonic flowmeter with asymmetrical transducer windows

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078427A (en) * 1972-10-12 1978-03-14 Kabushikikaisha Tokyo Keiki Ultrasonic flow or current meter
US3901078A (en) * 1973-09-07 1975-08-26 Westinghouse Electric Corp Ultrasonic system for fluid flow measurement
US3906791A (en) * 1973-10-01 1975-09-23 Panametrics Area averaging ultrasonic flowmeters
US4078428A (en) * 1974-11-21 1978-03-14 National Research Development Corporation Measurement of fluid flow
US4103551A (en) * 1977-01-31 1978-08-01 Panametrics, Inc. Ultrasonic measuring system for differing flow conditions
US4109523A (en) * 1977-10-21 1978-08-29 Westinghouse Electric Corp. Method of determining acoustic flow meter correction factor
US4124755A (en) * 1978-01-03 1978-11-07 Pfizer Inc. 11-Alkanoyl-4"-deoxy-4"-isonitrilo-oleandomycin derivatives

Also Published As

Publication number Publication date
US4300400A (en) 1981-11-17
JPS55135714A (en) 1980-10-22
CA1131342A (en) 1982-09-07
EP0017475A1 (en) 1980-10-15

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