54results about "Specific gravity using flow properties" patented technology

A vortex flow meter (100) includes a flowtube (102) configured to receive a flow of process fluid. A shedder bar (118) is disposed within the flowtube (102) and is configured to generate vortices in the flow of process fluid. A vortex sensor (144) is disposed to sense vortices in the flow of process fluid generated by the shedder bar (118). Measurement electronics (202) are operably coupled to the vortex sensor (144) and are configured to detect an analog signal of the vortex sensor (144) and provide a digital indication relative to the analog signal of the vortex sensor (144). A processor (200) is configured to receive the digital indication and calculate velocity of the process fluid flow based on a frequency of the digital indication. The processor (200) is also configured to measure an amplitude of the digital indication and estimate density of the process fluid based on the measured amplitude. The processor (200) is further configured to determine a fluid type based on the measured amplitude and assign a unit of flow corresponding to the calculated velocity to a fluid totalizer corresponding to the detected fluid type.

A system and method of determining a density of a drilling fluid in a wellbore. The system includes a drill string in the wellbore, the drill string including a downhole rotor. A drilling fluid flowin

A meter electronics (20) for detecting an orientation and compensating a measurement based on the detected orientation is provided. The meter electronics (20) comprises an interface (401) configured to communicatively couple to a sensor assembly (10) and a processing system (402). The processing system (402) is configured to detect an orientation of the sensor assembly (10) based on one or more sensor signals provided by the sensor assembly (10).

This reduces manufacturing costs and prevents the occurrence of irregularities on the outer periphery of the fluid measurement device. [Solution] The fluid measuring device 1 has a measuring tube 11 through which a fluid flows, a measuring element 12 provided in the measuring tube 11 to measure the fluid, a processing unit 13 to process the signal measured by the measuring element 12, a cylindrical support part 21 through which the measuring tube 11 passes and supports the measuring tube 11, and a cylindrical accommodating part 22 to accommodate the processing unit 13, and is provided with a housing 15 in which the support part 21 and the accommodating part 22 are integrally formed from a metal material.

In some implementations, a method is disclosed that may include operating the Coriolis meter on a process fluid where the process fluid may include a liquid continuous process fluid with particles. The method may include measuring a measured speed of sound of the process fluid, deriving a first correlation input parameter from the measured speed of sound the process fluid, determining at least one correlation output parameter utilizing an optimized Coriolis correction correlation between the correlation output parameter and the first correlation input parameter and at least a second correlation input parameter. Also, the method may include where the optimized Coriolis correction correlation is determined utilizing a training data set which relates the correlation input parameters to the correlation output parameters at a plurality of operating conditions and correcting the at least one measured Coriolis output parameter utilizing the at least one correlation output parameter.

Disclosed is a Coriolis flowmeter comprising a plurality of measurement areas. The Coriolis flowmeter comprises a flow tube and a flow transmitter. The flow tube comprises at least a first measurement area and a second measurement area. A first driving device and a first measurement device are mounted in the first measurement area, and a second driving device and a second measurement device are mounted in the second measurement area. The first measurement device and the second measurement device are both connected to the flow transmitter so as to transmit measurement values of the first measurement device and the second measurement device to the flow transmitter. The first measurement area uses the Coriolis principle to measure at least one of the mass flow and the density of an internal medium, and the second measurement area and the first measurement area both measure the mass flow and / or the density of the internal medium. Compared with the prior art, in the present invention, measurement values of a same parameter of a medium in a flow tube in two measurement areas are compared, so that a measurement result can be verified online, and a high-precision real-time diagnosis method based on sensor design is provided, thereby avoiding production interruption caused by regular calibration of the Coriolis flowmeter.

The application discloses a method for calculating alcohol concentration based on secondary compensation, and relates to the technical field of alcohol concentration detection. The application innovatively introduces fluid viscous damping characteristics as a third measurement dimension, uses the driving gain parameter of the Coriolis force mass flowmeter to inversely calculate the actual viscosity of the fluid in real time, and breaks the single measurement limitation of the traditional density and temperature. Meanwhile, the physical characteristics of the solid in the brewed wine are extremely sensitive to the viscosity, the dry extract content in the wine is accurately inversely estimated based on the viscosity deviation, the density virtual high value caused by the solid is further quantitatively calculated, and the measured density is subtractively corrected. Through the secondary compensation mechanism, the interference of the solid is effectively removed, and the real density of the pure base liquor is restored.

The utility model discloses a device for accurately measuring the density of a desulfurizing absorption tower, and relates to the field of power equipment. The device comprises a vertical pipe communicated with a slurry conveying pipeline, the vertical pipe is communicated with an inclined pipe inclining upwards, a control valve and a top cover are arranged at the two ends of the inclined pipe respectively, a densimeter and the top cover are fixedly installed, and a probe of the densimeter extends into the inclined pipe; the upper end and the lower end of the outer side wall of the inclined pipe are communicated with a water inlet pipe and a water outlet pipe respectively, the water inlet pipe and the water outlet pipe are communicated with a water inlet valve and a water outlet pulse valve respectively, and the water outlet pipe is further communicated with an air inlet valve. The inclined tube cleaning device has the beneficial effects that various cleaning modes are applied to the interior of the inclined tube after the inclined tube is closed, so that the cleaning effect on the inclined tube is improved, the problem of slurry accumulation is solved, and the measurement accuracy of the densimeter is ensured.

Vibrating a vibration transducer element within a fluid at a vibration frequency, the vibration transducer element comprising an elongated member in contact with the fluid characterized by a width, a half-width equal to half of the width, and a length longer than the width, the half-width being smaller than the propagation depth of the shear wave of the fluid at the vibration frequency; measuring the vibration of the vibration transducer element within the fluid at the vibration frequency; and determining a physical property of the fluid, such as viscosity, viscoelasticity, density, fluid stiffness, loss tangent, storage modulus, loss modulus, or yield stress, based on the measurement of the vibration, to determine the physical property of the fluid.

A method of determining density of a fluid within a system includes actuating a piston of a hydraulic cylinder at a target velocity. Additionally, the method includes determining differential pressure and volumetric flow rate of the fluid flowing through an orifice under actuation of the piston. The density of the fluid is determined based on the first differential pressure and the volumetric flow rate of the fluid, which is used by the system to regulate a mass flow rate of fluid within the system.

The invention relates to a method for detecting a parameter (3) of a fluid (12) with a sensor device (2) of a flow meter (1), comprising: a) flowing a training fluid (4) having known fluid parameters through the flow meter, in which a training measurement signal (5) from the sensor device is fed to a machine learning model (6); b) training the machine learning model to detect real-time fluid (12) parameters (8) using real-time measurement signals (7) from the sensor means; and c) detecting a real-time fluid parameter using the trained machine learning model and the real-time measurement signal fed to the trained machine learning model, where feeding the real-time measurement signal from the sensor device to the machine learning model comprises: processing (9) the real-time measurement signal by performing feature extraction or feature learning (10) thereon, and feeding the processed real-time measurement signal (19) to the trained machine learning model.

Differential density system and method. A differential pressure transmitter measures a pressure difference between first and second pressure sensing locations. A reference vessel in fluid communication with the first pressure sensing location contains a reference fluid and a sample vessel in fluid communication with the second pressure sensing location contains a sample fluid. The reference fluid is in a first column above the first pressure sensing location and the sample fluid is in a second column above the second pressure sensing location. The second column is of substantially equal height as the first column. A value of total dissolved solids (TDS) in the sample fluid is determined based on the pressure difference.

A method for measuring the material properties of a viscoelastic fluid using one or more vibrating transducers, the method comprising: vibrating one or more vibrating transducers within the viscoelastic fluid so as to generate a first wave propagating from a first surface of the one or more vibrating transducers and a second wave propagating from a second surface of the one or more vibrating transducers; during vibration of the one or more vibrating transducers, the first surface and the second surface being spaced apart from and oriented with respect to each other such that the first wave and the second wave combine with each other to produce a final constructive or destructive interference; and determining the material properties of the viscoelastic fluid based on the vibration of the one or more vibrating transducers within the viscoelastic fluid.

This invention relates to a Coriolis measuring transmitter and a Coriolis measuring device. The Coriolis measuring transmitter includes: at least a pair of measuring tubes arranged to oscillate relative to each other, wherein each measuring tube includes a centrally located bend; at least one actuator and at least two sensors; two guiding devices, wherein each guiding device includes a fluid chamber having a first opening for connection to a pipe and a second opening for connection to each measuring tube. The Coriolis measuring transmitter is characterized in that each guiding device is formed from multiple portions, particularly two portions, wherein the first portion forms a pipe connection portion, and wherein at least one second portion forms a measuring tube connection portion.

The present invention relates to a method for controlling the packing density of a liquid material and liquid mixture in an extraction tower having at least one rotatable transport shaft and filled with the material and liquid mixture, a system for carrying out such a method and a method for extracting at least one ingredient from a plant material using such a method and, respectively, such a system.

The invention relates to a method (100) for operating a Coriolis meter (1), wherein the method comprises the following steps: recording the measurement voltages from the sensors and creating an asymmetry value sequence (AS) by means of the amplitudes of the measurement voltages for the purpose of diagnosing the Coriolis meter in a first method step (101), checking whether the asymmetry value sequence satisfies at least one invalidity criterion in a second method step (102), creating a stabilized asymmetry value sequence (SAS) on the basis of the asymmetry value sequence by replacing asymmetry measured values with substitute values in a third method step (103), wherein while an invalidity criterion is satisfied a last valid measured value of the asymmetry value sequence is used as the current value of the stabilized asymmetry value sequence, or the stabilized asymmetry value sequence is set to a predetermined value, a first invalidity criterion being based on a variance parameter of the asymmetry value exceeding a first limit value.

A fluid measurement device includes a measurement tube through which a fluid flows, a measurement element that is provided at the measurement tube and that measures the fluid, a processing unit that processes a signal that has been measured by the measurement element, and a housing that includes a supporting portion that is formed in a cylindrical shape and that supports the measurement tube that is provided to pass through the supporting portion, and an accommodation portion that is formed in a cylindrical shape and that accommodates the processing unit, and in which the supporting portion and the accommodation portion are integrally formed by a metal material.

A system may analyze agricultural materials. The system may include one or more inlets receiving the agricultural materials. The agricultural materials may be a slurry (e.g., soil slurry) including at least one solid and at least one liquid. The system may include a chamber configured to house the agricultural materials. The chamber may include a mixing device configured to mix the agricultural materials. The system may include a flow control device configured to stop the flow of the agricultural materials in a first state, or move the flow of the agricultural materials in a second state. The system may include an agricultural materials density device configured to determine the density of the agricultural materials when the flow of the agricultural materials is stopped in the first state and when the flow of the agricultural materials is moving in the second state.

The measurement system includes a vibration transducer (10) and electrically coupled measurement system electronics (20) for controlling the transducer and evaluating the vibration measurement signal provided by the transducer. The exciter device has a vibration exciter (31) positioned and oriented such that the drive offset (ΔE) is no greater than 0.5% of the tube length. The measurement system electronics (20) is configured to provide electrical power to the vibration exciter (31) via an electrical drive signal (e1) having a time-varying current, and to at least intermittently provide a drive signal (e1) containing a sinusoidal (second useful) current (eN2) with a (second) (AC) frequency, so as to monitor the mass of the measured substance based on a corresponding (second) useful signal component (s1N2; s2N2) of at least one of the vibration measurement signals (s1, s2).

An apparatus for estimating an oil, water, and solids fraction of a drilling fluid includes a conduit containing the drilling fluid, an electromagnetic sensor in communication with the drilling fluid that senses a combined water and solids fraction, and at least one of a conductivity sensor or a density sensor, each in communication with the drilling fluid. The apparatus also includes a processing system determining the fraction of oil, water, and solids in the drilling fluid using the combined water and solid fraction and at least one of the conductivity value from the conductivity sensor or the density value from the density sensor and a controller coupled to the processing system, the controller having an output coupled to a drilling fluid additive control device controlling an additive to be added to the drilling fluid based on the fraction of oil, water, and solids of the drilling fluid.

A fluid measurement device includes a measurement tube through which a fluid flows, a measurement element that is provided at the measurement tube and that measures the fluid, a processing device that processes a signal that has been measured by the measurement element, and a housing that includes a supporting portion that is formed in a cylindrical shape and that supports the measurement tube that is provided to pass through the supporting portion, and an accommodation portion that is formed in a cylindrical shape and that accommodates the processing device, and in which the supporting portion and the accommodation portion are integrally formed by a metal material.

The invention relates to a device (1) for determining and / or monitoring at least one process variable of a medium (2) comprising an electronics unit (3) and a sensor unit (4) having a mechanically vibratory unit (5) and at least one first tubular piezoelectric element (6), the device (1) being configured to excite the mechanically vibratory unit (5) to undergo mechanical vibrations in a first vibration mode by means of a first excitation signal and to receive the mechanical vibrations of the mechanically vibratory unit (5) in the first vibration mode and to convert them into an electrical reception signal, the electronics unit (3) being designed to determine the at least one process variable from the reception signal, and the mechanically vibratory unit (5) having in an end region (7) at least one first cylindrical drilled hole (8) into which the at least first piezoelectric element (6) is at least partially introduced.

A method of detecting a sag value of a weighting material in a drilling fluid in a borehole by injecting an alternating current into the drilling fluid in a frequency range of 0.1-10,000 hertz (Hz) over a time period of 1-6 hours. The method includes measuring real-time data of a real conductivity and an impedance of the drilling fluid based by spectral induced polarization (SIP) of the drilling fluid in the borehole and / or during the injecting. Calculating a first density and a second density of the drilling fluid at a first elevation and a second elevation, respectively, each based on a variation in the real conductivity and the impedance, and calculating the sag value of the weighting material in the drilling fluid based on the first and second densities.

A system may analyze agricultural materials. The system may include one or more inlets receiving the agricultural materials. The agricultural materials may be a slurry (e.g., soil slurry) including at least one solid and at least one liquid. The system may include a chamber configured to house the agricultural materials. The chamber may include a mixing device configured to mix the agricultural materials. The system may include a flow control device configured to stop the flow of the agricultural materials in a first state, or move the flow of the agricultural materials in a second state. The system may include an agricultural materials density device configured to determine the density of the agricultural materials when the flow of the agricultural materials is stopped in the first state and when the flow of the agricultural materials is moving in the second state.

To provide a method that fills and / or cleans a measurement cell of a measuring device, viscometer and / or densitometer, specifically, a rotational viscometer, introduces a sample to a measurement cell via a sample tube by a pump, and determines kinetic viscosity and / or density of the sample in the measurement cell.SOLUTION: According to the present method, specifically, a funnel-shape reversibly openable accommodation container (4) for a sample (2), specifically, a filling funnel is arranged in a sample tube (7) between a pump (1) and a measurement cell (3). The accommodation container (4) is opened, and the sample (2) is introduced into the accommodation container (4). Then, the accommodation container (4) is connected to the pump (1) via a pressure pipe (9) in such a way that, when pressure is introduced into the accommodation container (4), a part of the sample (2) is dispensed out of the accommodation container (4), and introduced into the measurement cell (3).SELECTED DRAWING: Figure 1

The measuring system comprises a vibration-type transducer (10) and electrically coupled measuring system electronics (20) for controlling the transducer and evaluating vibration measurement signals provided by the transducer. The exciter arrangement has a vibration exciter (31) which is positioned and oriented such that a drive offset (ΔΕ) is no more than 0.5% of the tube length. The measuring system electronics (20) are configured to supply electric power to the vibration exciter (31) by means of an electrical driver signal (e1) having an electric current which changes over time and to provide the driver signal (e1) at least intermittently with a sinusoidal (second useful) current (eN2) having a (second) (AC) frequency, in order to monitor a quality of the measurement substance based on a corresponding (second) useful signal component (s1 N2; s2N2) of at least one of the vibration measurement signals (s1, s2).

The invention relates to a method (100) for determining a density measurement of a medium by means of a Coriolis mass flow measuring transducer (10) having two oscillators (12, 14) and a pair of measuring tubes (12a, 12b, 14a, 14b) arranged one above the other. The measuring tubes (12a, 12b, 14a, 14b) are fluid-parallel and are guided into a collector (18) at an inlet side and an outlet side. Mounting the measuring transducer in a pipe causes mechanical stresses which can influence the oscillators via the collector. The medium is conducted in the measuring tubes. The method (100) comprises the following steps: (110) inducing at least one oscillation mode of the first oscillator and at least one oscillation mode of the second oscillator; (120) determining the natural frequency of each induced oscillation mode; (130) determining a respective temporary density measurement from the respective natural frequency; (140) determining a deviation between the temporary density measurements; and (150) determining a corrected density measurement by means of a model which determines and corrects the influence of the mechanical stresses on the density measurement on the basis of the deviation determination.

The invention discloses a method for calculating alcohol concentration based on secondary compensation, and relates to the technical field of alcohol concentration detection.According to the method, fluid viscous damping characteristics are innovatively introduced to serve as a third measurement dimension, the actual viscosity of fluid is inversed in real time through driving gain parameters of a Coriolis force mass flow meter, and the actual viscosity of the fluid is calculated according to the driving gain parameters of the Coriolis force mass flow meter. The limitation of single measurement only depending on density and temperature in the prior art is broken. Meanwhile, by utilizing the physical property that the solid in the brewed wine is extremely sensitive to viscosity, the content of the dry extract in the wine liquid is accurately and reversely estimated based on the viscosity deviation value, the virtual high value of the density caused by the solid is further quantitatively calculated, and the measured density is subjected to subtraction correction. Through the secondary compensation mechanism, the interference of solid matters is effectively stripped, and the real density of pure base liquor is restored.

A method is disclosed that may include measuring a measured fluid density of a process fluid using a vibrational frequency of a fluid-conveying flow tube of the Coriolis meter where a density of a liquid phase of the process fluid is unknown. In addition, the method may include measuring at least one of an excitation energy metric of the Coriolis meter and a vibrational amplitude metric of the Coriolis meter. The method may include determining a Coriolis Mass Flowmeter Damping (CMFD) parameter using at least one of the excitation energy metric and the vibrational amplitude metric. Moreover, the method may include determining the density of the liquid phase of the process fluid using the measured fluid density and the CMFD parameter. Systems employing such methods are further disclosed.