NO962274L - Fremgangsmåte og anordning for å detektere grensesjikt - Google Patents
Fremgangsmåte og anordning for å detektere grensesjiktInfo
- Publication number
- NO962274L NO962274L NO962274A NO962274A NO962274L NO 962274 L NO962274 L NO 962274L NO 962274 A NO962274 A NO 962274A NO 962274 A NO962274 A NO 962274A NO 962274 L NO962274 L NO 962274L
- Authority
- NO
- Norway
- Prior art keywords
- sound
- propagation
- boundary layers
- different
- substances
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2961—Acoustic waves for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/0023—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm with a probe suspended by a wire or thread
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI952784A FI97829C (fi) | 1995-06-07 | 1995-06-07 | Mittausmenetelmä ja -laitteisto rajapintojen määrittämiseksi |
Publications (2)
Publication Number | Publication Date |
---|---|
NO962274D0 NO962274D0 (no) | 1996-06-03 |
NO962274L true NO962274L (no) | 1996-12-09 |
Family
ID=8543554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO962274A NO962274L (no) | 1995-06-07 | 1996-06-03 | Fremgangsmåte og anordning for å detektere grensesjikt |
Country Status (4)
Country | Link |
---|---|
FI (1) | FI97829C (fi) |
FR (1) | FR2735228B1 (fi) |
GB (1) | GB2301890A (fi) |
NO (1) | NO962274L (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005054203A1 (de) * | 2005-11-14 | 2007-05-16 | Siemens Ag | Vorrichtung zum Ermitteln der Lage mindestens einer Phasengrenze durch Auswertung von Schallsignalen |
US20070255458A1 (en) * | 2006-04-28 | 2007-11-01 | Haslem Keith R | System and method for managing stratified liquids in storage tanks |
WO2007142933A2 (en) * | 2006-05-31 | 2007-12-13 | Giraffe Liquid Management Systems, Inc. | Liquid level detectors and systems for use |
GB2472083A (en) * | 2009-07-24 | 2011-01-26 | Wayne Rudd | Apparatus and methods for determining the location of an interface in a medium |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1361052A (en) * | 1971-07-09 | 1974-07-24 | Radun Controls Ltd | Transducer devices |
DE2508297A1 (de) * | 1975-02-26 | 1976-09-09 | Interatom | Ultraschall-fuellstandfuehler fuer fluessigkeiten und dessen anwendung |
NO150532C (no) * | 1981-05-22 | 1984-10-31 | Bjoern R Hope | Anordning ved nivaamaaler. |
FR2540247B1 (fr) * | 1983-01-31 | 1985-09-27 | Elf France | Procede et appareil pour la detection de changements de composition au sein d'un milieu, a l'aide de l'ultra-son |
DE4011923A1 (de) * | 1990-04-12 | 1991-10-17 | Blohm & Voss Int | Verfahren zur detektion von phasengrenzflaechen oder schichtungen von unterschiedlichen nicht mischbaren und sich durch schwerkraftseparation trennenden fluessigkeiten |
FR2661001A1 (fr) * | 1991-04-11 | 1991-10-18 | Blohm & Voss Int | Procede de detection de surfaces limites de phases de liquides non miscibles. |
CN1045658C (zh) * | 1991-07-29 | 1999-10-13 | 基·雷/森索尔有限公司 | 带有自动自测功能的探测方法及其超声探测器 |
DE9215290U1 (fi) * | 1991-11-13 | 1993-03-18 | Hurth Getriebe Und Zahnraeder Gmbh, 8000 Muenchen, De |
-
1995
- 1995-06-07 FI FI952784A patent/FI97829C/fi active
-
1996
- 1996-05-31 GB GB9611346A patent/GB2301890A/en not_active Withdrawn
- 1996-06-03 NO NO962274A patent/NO962274L/no unknown
- 1996-06-07 FR FR9607058A patent/FR2735228B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2735228B1 (fr) | 1997-10-31 |
FI97829B (fi) | 1996-11-15 |
FI952784A0 (fi) | 1995-06-07 |
NO962274D0 (no) | 1996-06-03 |
GB2301890A (en) | 1996-12-18 |
FR2735228A1 (fr) | 1996-12-13 |
GB9611346D0 (en) | 1996-08-07 |
FI97829C (fi) | 1997-02-25 |
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