97results about "Gas dispersion analysis" patented technology

Embodiments herein relate to a system for detecting bubbles in a fluid. In an embodiment, a fluidic system ventilation detector having an optical bubble sensor is included. The optical bubble sensor may include a light source, a light detector, and a sensor controller. The sensor controller may be in signal communication with the light detector and may be configured to detect bubbles based on a signal received from the light detector. The sensor controller may be further configured to estimate a throughput of the fluid based on the detected bubbles. Other embodiments are also included herein.

The present invention is a method for measuring the remaining amount of a liquid in a liquid storage container, the method comprising the steps of: discharging the liquid in the liquid storage container to the outside through a suction tube inserted into the liquid storage container; the size or number of bubbles contained in the liquid penetrating through the light-transmitting part is observed through a visual device pointing to the light-transmitting part of the suction pipe; and estimating the remaining amount of the liquid based on the observed size and number of bubbles. Further, the method includes a remaining amount estimation step using the return ultrasonic waves, and the remaining amount estimation step using the return ultrasonic waves includes the steps of: oscillating the ultrasonic waves from the ultrasonic generator into the interior of the liquid storage container; receiving the ultrasonic wave returned after oscillation and analyzing the waveform of the ultrasonic wave; and estimating the remaining amount of the liquid by comparing the waveform of the ultrasonic wave with previously provided reference data.

The application provides a method, an apparatus and a device for evaluating a dynamic diffusion of natural hydrogen in rock pores. The method includes: performing, at a target pressure and a target temperature, a simulation calculation of a natural hydrogen adsorption based on a pre-constructed pore model of a rock to be evaluated, and determining an average number of hydrogen molecules adsorbed in the rock pores when the natural hydrogen is saturated at the target pressure and the target temperature; determining a natural hydrogen content, based on lithologic parameters, the average number of hydrogen molecules, the target pressure and the target temperature; adding one or more preset gases to the pre-constructed pore model, determining a loss content of the natural hydrogen, and determining a diffusion coefficient of the natural hydrogen; determining a diffusion evaluation parameter, based on the natural hydrogen content, the loss content and the diffusion coefficient.

Embodiments herein relate to systems for detecting air bubbles in fluids. In an embodiment, a fluid system aeration detector is included having an optical air bubble sensor. The optical air bubble sensor can include a light source, a light detector, and a sensor controller. The sensor controller can be in signal communication with the light detector and can be configured to detect air bubbles based on the signals received from the light detector. The sensor controller can further be configured to estimate an amount of aeration of a fluid based on the detected air bubbles. Other embodiments are also included herein.

A computer implemented method for measuring the viscosity of a fluid stream flowing from an opening with constant acceleration, wherein the method takes as input at least one image of an area of interest of a fluid stream, the section, s0, of the opening and the output volume flow rate, U0, of the fluid stream from said opening; wherein the method provides as output the viscosity, η, of the fluid; wherein the method includes (a) modelling the geometrical profile of the fluid stream trough an digital processing operation of the input image, and (b) computing the viscosity of the fluid with a mathematical or physical model from the modelled geometrical profile, the section, s0, and the output volume flow rate, U0.

The invention relates to a method for particle detection in liquid medium, wherein an excitation light is applied to the liquid medium, the excitation liquid generating a respective bubble around one or more particles. An ultrasonic wave is used in order to expand the size of the bubbles. The bubbles are then detected. The invention relates further to a corresponding apparatus.

A method for determining a characteristic of a flowing fluid having particles in a sample space by Fourier domain optical coherence tomography includes estimating a velocity of the fluid in the sample space; controlling an optical scanner to radiate a beam of light along an optical path to the fluid in the sample space and to sense a signal of interference of measurement light scattered back along the optical path mixed with reference reflected light, while moving the optical scanner, where the beam of light is moved with a scanner velocity being aligned with a velocity component of the velocity of the fluid perpendicular to the optical axis of the beam of light, processing the signal into a corresponding complex-valued optical path length resolved OCT signal, where the OCT signal represents the fluid in the sample space; determining the characteristic of the fluid based on the OCT signal.

The present invention relates to a method for measuring a remaining amount of a liquid within a liquid storage container, the method including: discharging the liquid within the liquid storage container to the outside through a suction tube inserted into the liquid storage container; observing a size of a bubble or the number of bubbles contained in the liquid passing through the light transmitting part through a vision device that emits light toward the light transmitting part of the suction tube; and estimating the remaining amount of liquid based on the size and number of observed bubbles. Furthermore, the method may further include estimating the remaining amount using an ultrasonic carrier wave, wherein the estimating of the remaining amount using the ultrasonic carrier wave may include: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; receiving the ultrasonic waves returned after the oscillation to analyze a waveform of the ultrasonic waves; and comparing the waveform of the ultrasonic waves to previously provided reference data to estimate the remaining amount of liquid.

The present disclosure provides apparatuses, systems, and methods for performing particle analysis through flow cytometry at comparatively high event rates and for gathering high resolution images of particles.

A computer-implemented method for characterizing a heterogeneous material comprising dispersed components, particularly particulate components, dispersed within a continuous phase of a condensate comprises the steps of: a) providing or selecting a sample of the heterogeneous material to be analyzed; b) acquiring at least one digital image of the sample by a camera of a computing device, particularly a mobile computing device, or by a camera connected to a computing device, particularly a mobile device, and / or by reading into the computing device at least one digital image previously recorded by a stand-alone camera; and c) determining the following characteristics: size parameters, particularly granularity parameters, shape parameters, and the like, determined by image analysis in the at least one digital image. performing image analysis, in particular image particle analysis, of at least one digital image to extract one or more of the following characteristics: particle shape parameters, in particular particle distribution, orientation parameters, in particular particle orientation parameters, surface parameters, in particular particle surface parameters, roughness parameters, in particular particle roughness parameters, packing density, uneven distribution parameters, color, and / or area fraction of components, in particular particulate components; and / or area fraction of continuous phases identified by image analysis in the at least one digital image; d) making one or more of the extracted characteristics in step c) available via a user interface, via a machine interface, and / or on a data storage medium.

The invention relates to methods and compositions useful for routing and tracking multiple mobile units within a microfluidic device. Mobile units may be routed through a plurality of chemical environments, and the mobile units may be tracked to determine the path and / or environments that the mobile units have routed through. Mobile units may be routed in accordance with a predetermined algorithm. Mobile units may be routed through microfluidic devices in ordered flow. Absolute or relative position of a unit inside a microfluidic device, e.g. within an ordered set of units, may be used to identify the routing path history of the unit.

The invention discloses a hydraulic oil health monitoring method. The method comprises the following steps: acquiring a real-time image of hydraulic oil flowing through a sampling pipeline by means of an imaging system, and detecting oil product parameters of the hydraulic oil by means of an oil product sensor; determining pollutant information based on the real-time image, wherein the pollutant information describes characteristics of pollutants in the hydraulic oil; and determining the current health condition of the hydraulic oil according to the pollutant information and the oil product parameters. According to the scheme, more comprehensive and accurate oil product parameters and particle pollutant information are obtained in a multi-sensor and multi-mode detection mode, so that the health state of the hydraulic oil can be determined more accurately.

A device comprising a gel-coupled force sensor for detecting bubbles and / or blockages in fluids using light sources and / or ultrasonic transducers is provided. The devices may include a housing having a gel-coupled force sensor, wherein the gel-coupled force sensor comprises a substrate, at least one force sensing element, at least one application-specific integrated circuit (ASIC), a cover for the at least one force sensing element and the at least one ASIC, a gel for covering the force sensing element, a mesh layer proximate to the top of the gel, a barrier layer proximate to the mesh layer, and a membrane layer proximate to the barrier layer protruding at least a distance past an edge of the cover. The gel-coupled force sensor may surround a fluid flow tube. The housing may comprise a first light source and a second light source and / or an ultrasonic transducer.

The invention relates to a system (1) for producing bubbles (2) and / or drops (32), wherein the system (1) comprises a production device (3) for the bubbles (2) and / or drops (32) which has a nozzle (4) and a monitoring device (5) for monitoring a production operation of the production device (3).In order to produce bubbles (2) and / or drops (32) with a desired defined buoyancy neutrality and consistency, and to be able to selectively adjust the properties of the bubbles (2) and / or drops (32) during production, it is proposed that the monitoring device (5) includes a sound transducer (6) which is configured to generate signals depending on sound waves (7) produced by the production of the bubbles (2) and / or drops (32), wherein the monitoring device (5) includes an evaluation device (8) which is configured to evaluate the signals generated by the sound transducer (6) to determine a characteristic property of the bubbles (2) and / or drops (32) produced by the production device (3) and / or to determine a characteristic parameter of the production.

The inventive concept relates to an apparatus for treating a substrate. The apparatus includes a liquid supply unit that supplies a liquid to a substrate, a cover that is formed of a light transmitting material and installed on a component provided in the liquid supply unit and that provides an inspection area, and an inspection unit that inspects bubbles contained in the liquid flowing in the component provided in the inspection area. The inspection unit includes a light source that applies light toward the inspection area from outside the cover, a light receiving part that is located outside the cover and that receives the light passing through the inspection area, and an inspection part that inspects the bubbles from the light received by the light receiving part.

The present disclosure describes an apparatus (612), a method (200), a system (600), and a computer program product (642) for detecting bubbles in an image of a sample in a well of a well plate. In an exemplary embodiment, a computer-implemented method, system, and computer program product includes receiving, by a computer system (600), at least one image (210) of at least one well of a well plate containing a liquid sample; performing, by the computer system (600), a set of logical operations (212) of cropping the image to include the hole of interest; and performing, by the computer system (600), a set of logical operations of processing the cropped image by the trained convolutional neural network, thereby obtaining a probability (214) that the image depicts at least one bubble.

Provided are platforms, cartridges, and methods for isolating target cells in a fluid sample. In an aspect, disclosed is a platform for isolating target cells in a fluid sample. That platform can include a cartridge; one or more pumps configured to flow the one or more fluids through the flow chamber of the cartridge; one or more valves configured to stop or start the flow of the one or more fluids through the flow chamber of the cartridge; one or more magnetic arrays configured to apply the magnetic field to the magnetically susceptible nanobeads in the flow chamber; one or more bubble sensors configured to detect bubbles in the one or more fluids of the cartridge; one or more processors configured to control one or more processes for isolating the target cells from the fluid sample in the cartridge; and a power supply configured to supply power to the platform.

The present disclosure provides apparatuses, systems, and methods for performing particle analysis through flow cytometry at comparatively high event rates and for gathering high resolution images of particles.

A device for particle sensing (1) is disclosed. The device includes a sensor (2) including a bulk acoustic wave resonator (4) having a resonant frequency, an acoustic mirror (5) 5 arranged to support the resonator, and a heater (9) in thermal communication with the resonator such that a resonator temperature is based on a heater temperature. The device also includes circuitry (3) connected to the sensor. The circuitry comprises a driver (17) configured to drive the heater with a driver signal having a constant periodic cycle, and an oscillator (18) configured to generate an output signal indicative of the 10 resonant frequency. The resonant frequency is modulated by the resonator temperature.

A method for measuring a remaining amount of a liquid within a liquid storage container includes: discharging the liquid within the liquid storage container to outside through a suction tube, observing a size or a number of bubbles contained in the liquid passing through a light transmitting part; and estimating the remaining amount of liquid based on the size and number of observed bubbles. Furthermore, the method may further include estimating the remaining amount using an ultrasonic carrier wave, wherein the estimating of the remaining amount using the ultrasonic carrier wave may include: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; receiving the ultrasonic waves returned after the oscillation to analyze a waveform of the ultrasonic waves; and comparing the waveform of the ultrasonic waves to previously provided reference data to estimate the remaining amount of liquid.

To detect bubbles formed in a medical procedure.SOLUTION: A system for visualizing one or more bubbles formed by a catheter includes a fluid container, a pulse generator, a schlieren imaging assembly, and a processor. The fluid container is configured to (i) contain a fluid, and (ii) receive, in the fluid, the catheter having one or more electrodes. The pulse generator is configured to apply one or more pulses to at least one of the electrodes. The schlieren imaging assembly is configured to acquire schlieren images of the bubbles occurring in the fluid when applying the one or more pulses, and the processor is configured to visualize the bubbles using the schlieren images.SELECTED DRAWING: Figure 1

The present invention relates to a method for measuring a remaining amount of a liquid within a liquid storage container, the method including: discharging the liquid within the liquid storage container to the outside through a suction tube inserted into the liquid storage container; observing a size of a bubble or the number of bubbles contained in the liquid passing through the light transmitting part through a vision device that emits light toward the light transmitting part of the suction tube; and estimating the remaining amount of liquid based on the size and number of observed bubbles. Furthermore, the method may further include estimating the remaining amount using an ultrasonic carrier wave, wherein the estimating of the remaining amount using the ultrasonic carrier wave may include: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; receiving the ultrasonic waves returned after the oscillation to analyze a waveform of the ultrasonic waves; and comparing the waveform of the ultrasonic waves to previously provided reference data to estimate the remaining amount of liquid.

Data related to the amount of contaminants in the fluid is obtained from a contaminant detection device (115). Aeration detection raw voltage data output and particle detection raw voltage data output are received from the contaminant detection device at an external data processing system separate from and independent of the contaminant detection device. The aeration detection raw voltage data output and particle detection raw voltage data output are analyzed and cleaned to determine real-time information about the amount of air bubbles and solid contaminant particles in the fluid, and the real-time information is then supplied to an onboard monitoring and control module of a machine to control one or more operations on the machine based on the determined amount of solid contaminant particles.

A system (11) for visualizing one or more bubbles (60) formed by a catheter (22), the system (11) includes a fluid container (28), a pulse generator (12), a schlieren imaging assembly (42), and a processor (55). The fluid container (28) is configured to: (i) contain a fluid, and (ii) receive into the fluid the catheter (22) having one or more electrodes (33). The pulse generator (12) is configured to apply one or more pulses to at least one of the electrodes (33). The schlieren imaging assembly (42) is configured to acquire schlieren images of the bubbles (60) occurring in the fluid when applying the one or more pulses, and the processor (55) is configured to visualize the bubbles using the schlieren images.

Disclosed herein is a method of operating a microfluidic system, a microfluidic system for manipulating sample objects, and a control system for operating a microfluidic system. The method according to the invention is for operating a microfluidic system that comprises a manipulation zone for manipulating sample objects flowing through the manipulation zone, a first detection zone arranged upstream of or in the manipulation zone and a second detection zone arranged upstream of, in or downstream of the manipulation zone. A first count is determined that characterizes a number of sample objects flowing through the first detection zone. Sample objects are manipulated in the manipulation zone. A second count is determined that characterizes a number of sample objects flowing through the second detection zone. One or more manipulation parameters for manipulating the sample objects in the manipulation zone are adjusted based on the first count and the second count.

A bubble forming device (500) according to an embodiment, a bubble growing nozzle (100) has a tip portion (110) to be disposed in a liquid (LQ) to grow a bubble (BS) at the tip portion (110). A large-bubble holding member (300) holds a large bubble (BL) at a position facing the tip portion (110) of the bubble growing nozzle (100) in the liquid (LQ), the large bubble (BL) being larger than the bubble (BS). By an attraction force (AF) due to a hydrophobic interaction between the bubble (BS) at the tip portion (110) of the bubble growing nozzle (100) and the large bubble (BL) held by the large-bubble holding member (300), the bubble (BS) is detached from the tip portion (110) of the bubble growing nozzle (100) and the detached bubble BS is released into the liquid (LQ).

There is provided a device comprising a degassing valve, a conduit for collecting gas released from the degassing valve, a gas sensor able to detect a gas connected to the conduit and arranged to provide a signal corresponding to a concentration of the gas, an alarm device arranged to receive the signal from the gas sensor and to provide an alarm when the concentration of the gas is above a threshold level.

In order to ensure measurement reproducibility and measurement accuracy, and in order to enable automatic execution of a bubble removal sequence as needed, this particle size distribution measurement device comprises: a circulation channel L in which a dispersion medium circulates; a flow cell 21 provided in the circulation channel L; an image capturing means 23 that captures a particle image being an image of particles in the flow cell 21; and a bubble removal execution unit 33 that acquires air bubble information and that executes a bubble removal sequence for removing air bubbles from the dispersion medium circulating in the circulation channel L if the air bubble information satisfies predetermined conditions, the air bubble information being information pertaining to the air bubbles in the dispersion medium and obtained on the basis of the particle image.

There is described a method for detecting a bubble (150), in particular a gas bubble, in an analytical device (10), the method comprising: i) detecting in a fluid path an electromagnetic signal (110) in response to a provided flow / pressure signal (120); and ii) determining the presence of the bubble (150) in the fluid path based on the detected electromagnetic signal (110).

A testing device and method for infiltrating a material into high-temperature and high-pressure hydrogen are provided. The testing device includes a high-pressure cabin, internally including a sample to be tested; a hot oil-coated heating and insulation system, coating outside the high-pressure cabin to adjust and maintain a temperature in the high-pressure cabin; a hydrogen compressor, communicated with the high-pressure cabin to adjust a pressure in the high-pressure cabin; a vacuum pump, communicated with the high-pressure cabin to vacuumize the high-pressure cabin; a scavenging system, communicated with the high-pressure cabin to purge air impurities in the high-pressure cabin with an inert gas; and a controller, electrically connected with the hydrogen compressor, the vacuum pump, and the scavenging system, and configured to control actions of the hydrogen compressor, the vacuum pump, and the scavenging system.