JP7345053B2 - 真の蒸気圧及びフラッシングの検出装置、並びに関連方法 - Google Patents
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- G01N9/32—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by using flow properties of fluids, e.g. flow through tubes or apertures
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- 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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
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- 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
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- 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
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- G—PHYSICS
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- 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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
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Description
一態様によれば、流体の蒸気圧を測定する方法が提供される。本方法は、メータ電子機器を有するメータを設けるステップを含み、このメータには、流量計及び密度計のうちの少なくとも1つが含まれる。プロセス流体がメータを通って流れ、メータに関連する低圧位置が規定される。低圧位置におけるプロセス流体の温度が測定される。プロセス流体の静圧は、低圧位置でフラッシングが検出可能になるまで調整される。フラッシングが検出可能な場合の、プロセス流体の真の蒸気圧が測定される。
ここで、ωは振動周波数、νは流体動粘度、γは粒子半径である。気泡の場合のように、粒子は流体よりも低い密度を有し得ることに留意されたい。
Claims (14)
- 流体蒸気圧の測定方法であって、
メータ電子機器を有するメータを設けるステップであって、前記メータは、流量計及び密度計のうちの少なくとも1つを備える、ステップと、
前記メータにプロセス流体を流すステップと、
前記メータに関連する低圧位置を規定するステップと、
前記低圧位置における前記プロセス流体の温度を測定するステップと、
前記低圧位置においてフラッシングが検出可能になるまで、前記プロセス流体の静圧を調整するステップと、
フラッシングが検出可能である場合に、前記プロセス流体の真の蒸気圧を測定するステップと、
を含む方法。 - 前記温度を測定するステップが、IRサーモグラフィを含む、請求項1に記載の流体蒸気圧の測定方法。
- 前記フラッシングを検出するステップが、光学分析を含む、請求項1に記載の流体蒸気圧の測定方法。
- 前記低圧位置が、流量計マニホールドを含む、請求項1に記載の流体蒸気圧の測定方法。
- 前記低圧位置が、差圧要素を含む、請求項1に記載の流体蒸気圧の測定方法。
- 前記プロセス流体の前記温度を測定するステップと、
前記温度及び前記真の蒸気圧から、リード蒸気圧を計算するステップと
を含む、請求項1に記載の流体蒸気圧の測定方法。 - リード蒸気圧が測定された時点で、蒸気/液体比を測定するステップと、
前記リード蒸気圧が測定された前記時点で、前記蒸気/液体比を前記リード蒸気圧と関連付けるステップとを含む、
請求項1に記載の流体蒸気圧の測定方法。 - プロセス流体の真の蒸気圧を測定するためのシステム(300)であって、
流量計及び密度計の少なくとも1つを備えるメータ(5)と、
前記メータに関連する低圧位置と、
前記メータ(5)と流体連通する圧力調整器(308)と、
前記プロセス流体と流体連通する圧力センサ(312)と、
前記低圧位置で温度を測定するように構成された温度センサと、
前記メータ(5)及び前記圧力センサ(312)と通信するメータ電子機器(20)であって、前記低圧位置でのフラッシングが検出されるまで、前記プロセス流体の静圧を調整するように前記圧力調整器(308)を制御し、フラッシングが検出可能である場合に、前記プロセス流体の真の蒸気圧を計算するように構成される、メータ電子機器(20)と、
を備えるシステム(300)。 - 前記温度センサが、IRサーモグラフを備える、請求項8に記載のシステム(300)。
- 光学センサが、フラッシングを検出するように構成される、請求項8に記載のシステム(300)。
- 前記低圧位置が、流量計マニホールドを含む、請求項8に記載のシステム(300)。
- 前記低圧位置が、差圧要素を含む、請求項8に記載のシステム(300)。
- 前記メータ電子機器(20)が、リード蒸気圧が測定された時点で、蒸気/液体比を測定し、前記リード蒸気圧が測定された前記時点で、前記蒸気/液体比を前記リード蒸気圧と関連付けるように構成された、請求項8に記載のシステム(300)。
- 前記メータ(5)が、
1つ又はそれ以上の導管(103、103’)と、
前記1つ又はそれ以上の導管(103、103’)への振動信号を生成するように構成され、前記1つ又はそれ以上の導管(103、103’)に取り付けられた、少なくとも1つのドライバ(104)と、
前記1つ又はそれ以上の導管(103、103’)から振動信号を受信するように構成され、前記1つ又はそれ以上の導管(103、103’)に取り付けられた、少なくとも1つのピックオフ(105、105’)と
を備える、請求項8に記載のシステム(300)。
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PCT/US2019/047071 WO2021034312A1 (en) | 2019-08-19 | 2019-08-19 | True vapor pressure and flashing detection apparatus and related method |
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AU (1) | AU2019462931B2 (ja) |
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Citations (2)
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US20110220213A1 (en) | 2010-03-11 | 2011-09-15 | Itron, Inc. | Dynamic-adaptive vapor reduction system and method |
WO2019094038A1 (en) | 2017-11-13 | 2019-05-16 | Micro Motion, Inc. | Flowing vapor pressure apparatus and related method |
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US4109524A (en) | 1975-06-30 | 1978-08-29 | S & F Associates | Method and apparatus for mass flow rate measurement |
USRE31450E (en) | 1977-07-25 | 1983-11-29 | Micro Motion, Inc. | Method and structure for flow measurement |
US4491025A (en) | 1982-11-03 | 1985-01-01 | Micro Motion, Inc. | Parallel path Coriolis mass flow rate meter |
US4872351A (en) | 1988-08-23 | 1989-10-10 | Micro Motion Incorporated | Net oil computer |
US4905505A (en) * | 1989-03-03 | 1990-03-06 | Atlantic Richfield Company | Method and system for determining vapor pressure of liquid compositions |
US5637791A (en) * | 1994-10-19 | 1997-06-10 | Alonso; Joey G. | Method and apparatus for measuring vapor pressure of multicomponent liquids |
US5687100A (en) | 1996-07-16 | 1997-11-11 | Micro Motion, Inc. | Vibrating tube densimeter |
US5963292A (en) * | 1996-10-29 | 1999-10-05 | The United States Of America As Represented By The Secretary Of The Air Force | Thermal tuft fluid flow investigation apparatus with a color alterable thermally responsive liquid crystal layer |
CN106067501B (zh) * | 2010-08-06 | 2019-03-12 | 日亚化学工业株式会社 | 蓝宝石基板及氮化物半导体发光元件 |
RU2573611C2 (ru) * | 2011-06-08 | 2016-01-20 | Майкро Моушн, Инк. | Способ и устройство для определения и контроля статического давления флюида с помощью вибрационного измерителя |
EP3163262B1 (en) * | 2015-10-28 | 2018-04-11 | Atsuden Co., Ltd | Coriolis mass flow meter |
EP3706647B1 (en) * | 2017-11-10 | 2023-06-07 | C. R. Bard, Inc. | Heat sinks for catheters, and systems and methods for making thereof |
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US20110220213A1 (en) | 2010-03-11 | 2011-09-15 | Itron, Inc. | Dynamic-adaptive vapor reduction system and method |
WO2019094038A1 (en) | 2017-11-13 | 2019-05-16 | Micro Motion, Inc. | Flowing vapor pressure apparatus and related method |
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MX2022000888A (es) | 2022-02-11 |
AU2019462931A1 (en) | 2022-02-24 |
AU2019462931B2 (en) | 2023-04-13 |
KR20220047371A (ko) | 2022-04-15 |
EP4018166A1 (en) | 2022-06-29 |
WO2021034312A1 (en) | 2021-02-25 |
CA3151812A1 (en) | 2021-02-25 |
BR112022001821A2 (pt) | 2022-03-29 |
JP2022550666A (ja) | 2022-12-05 |
US20220260469A1 (en) | 2022-08-18 |
CN114258475A (zh) | 2022-03-29 |
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