86results about "Specific gravity using flow properties" patented technology

The present invention provides a low-cost, non-invasive device (100) for measuring flow and leakage detection of fluids within closed conduits. The invention utilizes affordable a Micro-Electro Mechanical System (MEMS) based Inertial Measurement Units (IMUs) sensor (102) in the device to non-invasively measure fluid flow and leakage of fluids which exhibit turbulence or flow-induced-vibrations within a conduit. This device fin directly estimates flow rate or velocity based on the concept of Reynolds number in fluid dynamics. Further, this device is easy to install on pipes of all dimensions, requires minimal calibration, has no moving parts in contact with the fluid, can be integrated with Geographic Information System (GIS) software, and possesses advanced metering infrastructure to support remote reading and automated bill generation.

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.

The invention relates to a method (100) for determining a viscosity measurement value (η) of a medium which is guided in a measuring tube that is capable of vibrating, the method comprising: exciting at least one vibrational mode of the measuring tube (110); determining an inherent frequency of the vibrational mode (120); determining the density of the medium (130); determining the damping of the vibrational mode (140); determining the viscosity measurement value on the basis of the density, the inherent frequency and the damping of the vibrational mode (160), wherein the viscosity measurement value (η) is determined on the basis of a specification of the type of the medium by means of a model corresponding to the specification.

The invention relates to a gas densitometer (100, 200) for monitoring the pressure or density of a gas in a gas chamber (1), comprising: a housing (102, 202) having a first housing cavity (103, 203) and a measurement chamber (168, 268); a first coupling (104, 204) via which the measurement chamber can be connected to the gas chamber; at least one reference flap (105, 205), which is in particular directly or indirectly connected to the transmission element (109, 209); and at least one switching and / or monitoring unit (110, 210), which is held or can be operatively connected to the transmission element directly or indirectly. The measuring chamber is connected to the gas chamber in a gas-permeable manner via a first coupling, and the reference bellows forms a reference chamber (111, 211) which is filled with a constant amount of reference gas. A surface section covering the reference chamber is provided or can be implemented as a measuring surface for gas from the measuring chamber at least in some regions inside the first housing chamber or the measuring chamber.

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.

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.

The invention relates to a method and a device for monitoring the loading process of a liquid conveyed from a starting container through a pipeline into a target container, the method being carried out in a data processing device, the method comprising the following steps: (a) reading measurements of the density, pressure and / or temperature of the liquid conveyed in the pipeline from at least one measuring device; (b) determining an acceptable range of the density of the liquid delivered in the conduit; (c) comparing the density measurement value with an acceptable range, the density measurement value and / or the acceptable range being adjusted if necessary as a function of the pressure and / or temperature measurement value such that they are comparable; and (d) outputting a signal if the density measurement is outside the acceptable range.

A hybrid free-space acoustic oscillator system and method for detecting perturbations in a free-space region by analyzing phase-induced frequency shifts. An acoustic transmitter is configured to emit signals at a preset oscillation frequency into the free-space region, where a sample under test induces phase shifts. An acoustic receiver captures the phase-shifted signals and converts them into electrical signals. A first and second feedback loop interconnect the receiver and transmitter, incorporating a first amplifier, a bandpass filter, and phase shifters to regulate signal characteristics. The system dynamically compensates for induced phase variations through controlled feedback adjustments. A detector measures the difference between the preset and new oscillation frequency to determine a property of the sample under test.

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 for determining the vapor pressure of a fluid is provided. The method includes the following steps: providing a meter having meter electronics, wherein the meter includes at least one of a flow meter and a density meter; flowing a process fluid through the meter; providing a low-pressure location associated with the meter; adjusting the pressure of the process fluid until flash vaporization is detected at the low-pressure location; and calculating the true vapor pressure of the process fluid if flash vaporization is detected.

Determining a physical property of a fluid by: vibrating a vibratory transducer element in a fluid at a vibration frequency, wherein the vibratory transducer element comprises a fluid-contacting elongate member characterised by a width, a half width that is equal to half of the width, and a length that is greater than the width, wherein the half width is less than a propagation depth of a shear wave in the fluid at the vibration frequency; making a measurement of the vibration of the vibratory transducer element in the fluid at the vibration frequency; and determining, based on the measurement of the vibration, a physical property of the fluid such as a viscosity, a viscoelasticity, a density, a fluid stiffness, a loss tangent, a storage modulus, a loss modulus, or a yield stress.

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.

Methods to identify fluid holdups during downhole fluid sampling operations includes obtaining, using a sampling tool positioned within a wellbore, one or more fluid measurements using at least one sensor having a first set of spatial resolution, obtaining one or more second fluid measurements having a second spatial resolution, calculating a first fluid ratio using the at least one sensor having the first set of spatial resolution measurements, calculating a second fluid ratio of the second fluid measurements using the at least one sensor having the second set of spatial resolution, wherein the second set of spatial resolution is lower than the first set of spatial resolution, and identifying fluid holdup within the sampling tool when the differences between the two fluid ratios are higher than a limit or a similarity of the two fluid ratios are lower than a limit.

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 invention relates to a method for metering fuel in a fuel supply circuit of an aircraft engine, the circuit comprising a metering device for a fuel circuit of an aircraft engine, the metering device comprising, downstream of a fuel pumping system and upstream of an injector: a fuel inlet (E), a metering device (FMV) and a shut-off device (HPSOV) arranged in series, a regulating valve (VR) arranged on a fuel recirculation branch, so that any excess fuel supplied by the pumping system is fed back into the fuel circuit, wherein at least one flow metering sensor (WFM1) is arranged on the recirculation branch and a density value of the metered fuel is determined based on the measurement value of the sensor, and the metering device is controlled based on the fuel density value thus determined.

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

A method of determining vapor pressure of a fluid is provided. The method comprises the step of providing a meter having meter electronics, wherein the meter comprises at least one of a flowmeter and a densitometer. A process fluid is flowed through the meter. A low-pressure location associated with the meter is provided. The pressure of the process fluid is adjusted until flashing is detectable at the low-pressure location. The true vapor pressure of the process fluid is calculated at an instance where flashing is detectable.