Abstract: A combined logic control circuit and a sewage treatment system are provided. The combined logic control circuit includes: at least one signal input component, a control component and at least one signal output component; each signal input component transmits at least one path of first communication signal in a photoelectric isolated manner and converts the first communication signal into a second communication signal; the control component generates at least one path of first control signal according to the at least one path of second communication signal; and each signal output component processes one path of the first control signal to control at least one external electrical device, thereby implementing a particular circuit function; and the power switch component provides power supply to the various circuit components in a photoelectric isolated manner.

Abstract: The embodiment of the present disclosure provides a method and Internet of Things system for smart gas safety inspection route based on a Geographic Information System (GIS). The method is executed by a smart gas safety management platform of the Internet of Things system, comprising: determining track information of an inspector according to location data of the inspector; in response to the track information satisfying a preset requirement, determining a recommended inspection route based on the track information and gas monitoring data, and prompt the recommended inspection route through a display screen based on a first display parameter; in response to the track information not satisfying the preset requirement, determining a display condition of the display screen based on a second display parameter.

Abstract: An electronic device is disclosed. The electronic device comprises: a communication interface; a memory in which a learning network model for predicting next data by learning temporally continuous data is stored; and a processor for acquiring prediction data that is to replace data received from the learning network model, when the occurrence of an error in data received from a sensor device through the communication interface is identified, performing an autonomous driving function on the basis of the acquired prediction data, counting the number of error occurrences, and providing information informing that a sensing state of the sensor device is abnormal, when the counting frequency is greater than or equal to a threshold value.

Abstract: A system may include a processing device and a memory device that includes instructions to receive real-time data including wellhead pressure, a new sand measurement, and a new erosion rate for a wellbore. A model including an available reference sand rate for the wellbore based on the wellhead pressure and at least one of the new sand measurement or the new erosion rate of the wellbore may be calibrated. The model may be applied to determine a calibrated sand rate is within a pre-determined threshold. A new sand production rate for the wellbore based on the model may be determined.

Abstract: A method for recommending fuel filling stations based on water in fuel content is disclosed. In one example, a data structure is generated to house data from a plurality of fuel filling stations. The data structure may include data that is indicative of water in fuel. A recommendation for refilling a fuel tank may be provided according to data that is held in the data structure.

Abstract: A system and method include a first icing detector configured to detect a first icing condition in relation to one or more portions of an aircraft. The first icing detector is configured to output a first icing signal indicative of the first icing condition. A second icing detector is configured to detect a second icing condition in relation to the one or more portions of the aircraft. The second icing detector is configured to output a second icing signal indicative of the second icing condition. A control unit is in communication with the first icing detector and the second icing detector. The control unit is configured to receive the first icing signal from the first icing detector and the second icing signal from the second icing detector. The control unit is further configured to distinguish between presence of supercooled liquid water and ice crystal icing in response to receiving one or both of the first icing signal or the second icing signal.

Abstract: Methods and systems are provided that predict electromagnetic properties of drilling mud and a formation, which involve a logging tool that measures current injected into a measurement zone adjacent a sensor electrode at multiple frequencies. The measured currents at the multiple frequencies are processed to determine complex impedances for the sensor electrode at the multiple frequencies. The complex impedances are used to generate input data, which is supplied to a system of artificial neural networks (ANNs) that is configured to predict and output electromagnetic properties of the drilling mud and the formation within the measurement zone and possibly tool standoff based on the input data. The system of ANNs can employ a cascaded architecture of multiple ANNs. The electromagnetic properties or tool standoff predicted by the system of ANNs can be used to construct a borehole image over varying azimuth and depth.

Abstract: A physics engine executed on a processor to simulate real-time rigid body dynamics of a simulated physical system with a minimizing function between initial velocities and intermediate solver velocities is provided. The physics engine may be configured to iteratively loop through a collision detection phase, an iterative solving phase, updating phase, and display phase. The physics engine may be configured to store initial velocities for colliding pairs of bodies. The physics engine may be further configured to determine intermediate solver velocities for the colliding pairs of bodies based on accumulated results of constraint solving for each pair of bodies. The physics engine may be further configured to calculate friction velocities for that colliding pair of bodies based on the stored initial velocities and the intermediate solver velocities using a minimization function, and apply a friction force or impulse based on the calculated friction velocities.

Abstract: A device executes a visualization application program on a processor. Via the visualization application, a technique for visualizing data paths are performed. The technique includes receiving a data structure from a data intake and query system, where the data stream includes event stream data associated with the data path. The data path includes a set of entities, including an origin entity and a destination entity. The technique further includes generating visualizations of the origin entity, destination entity, and the event stream data. The visualization of the event stream data includes visualizations of events streaming between the visualization of the origin entity and visualization of the destination entity. The technique also includes causing the visualizations of the origin entity, destination entity, and the event stream data to be presented in an extended reality environment.

Abstract: A first differential pressure that is a differential pressure as a pressure difference between a high pressure side and a low pressure side in a filtration device is detected at a first time as a time while the filtration device filters a liquid. A remaining life that indicates how long the filtration member is usable from the first time is obtained based on the first differential pressure and differential pressure characteristics.

Abstract: A farming machine identifies and treats a plant as the farming machine travels through a field. The farming machine includes a pair of image sensors for capturing images of a plant. The image sensors are different, and their output images are used to generate a depth map to improve the plant identification process. A control system identifies a plant using the depth map. The control system captures images, identifies a plant, and actuates a treatment mechanism in real time.

Abstract: A controller for a vehicle executes a base temperature calculation process that calculates a base temperature of a component of the internal combustion engine, a correction value calculation process that calculates a correction value, a vehicle line reflection process when the vehicle including the component of which temperature is estimated is a temperature-estimated vehicle that is in a line of vehicles in order to reflect, on the correction value, a tendency of the component to be less cooled when the temperature-estimated vehicle is a trailing vehicle than when the temperature-estimated vehicle is a leading vehicle, a rearmost reflection process when the temperature-estimated vehicle is in the line of vehicles in order to reflect, on the correction value, a tendency of the component to be more cooled when the temperature-estimated vehicle is a rearmost vehicle, and a component temperature estimation process that corrects the base temperature with the correction value.

Abstract: A method for determining the presence of water and diesel exhaust fluid mixed with diesel fuel is disclosed. In one example, output pressure of a fuel pump may be indicative of the presence or absence of water in diesel fuel. The presence or absence of water in fuel may be evaluated in response to filling a fuel tank.

Abstract: An electronic scale performs a post-weighing calibration in which the user steps on the scale, and the scale provides an estimated weight based on the scale's stored tare weight determined after the previous weighing performed by the scale. The person steps off of the scale while the estimated weight is displayed, and the scale automatically performs the calibration process to determine the scale's tare weight and verifies the weight. The estimated weight is shown with an orange ellipsis, and the verified weight is shown with a green checkmark. The scale compares the stored tare weight with the new tare weight, and if the difference between the stored tare weight and the new tare weight is within a variation threshold, the scale identifies the weight as being verified. If the difference exceeds the variation threshold, the scale recalculates the weight, displays the corrected weight, and produces a tone as an alert.

Abstract: An aerosol delivery device is provided. The aerosol delivery device includes a power source, and a heating element powerable to heat and thereby vaporize components of an aerosol precursor composition. The aerosol delivery device also includes processing circuitry configured to control voltage from the power source to the heating element to power the heating element. The aerosol delivery device further includes an infrared temperature sensor coupled to the processing circuitry, and configured to measure an infrared energy emitted by the heating element or aerosol precursor composition. The processing circuitry is configured to determine the temperature of the heating element or aerosol precursor composition from the infrared energy measured by the infrared temperature sensor, and adjust the voltage from the power source to the heating element when the temperature deviates from a predetermined set point.

Abstract: A system and method for observing fluid flow behavior at a selected site, deriving judgments and recommendations, and further communicating data, judgments and recommendations. The system receives flow rate information, derives a time series of fluid flow events therefrom, identifies compound events consisting of contemporaneous events, disaggregates compound events by application of an unsupervised model, and applies the unsupervised model to derive a solution space of a subset sum problem-type, wherein historical data of the observed fluid flow is not necessarily accessed.

Abstract: A sampling module is for mounting in a pipeline with a multiphase flow meter and for receiving multiphase fluid from the pipeline. The sampling module includes: a separation chamber for receiving and separating a sample volume of fluid from the multiphase fluid, the separation chamber having a vertical extent when in use; a lower valve for opening and closing a lower fluid path between a lower end of the separation chamber and the pipeline; an upper valve for opening and closing an upper fluid path between an upper end of the separation chamber and the pipeline; a lower sensor for measuring fluid properties of the fluid in a lower part of the separation chamber; and an upper sensor for measuring fluid properties of the fluid in an upper part of the separation chamber.

Abstract: An air-conditioning apparatus according to the present disclosure includes a heat medium circulation circuit, a heat-source-side device, and a voltage drop device. In the heat medium circulation circuit, a pump, an indoor heat exchanger, and a flow control device are connected by pipes to circulate the heat medium. The pump sends a heat medium that contains water or brine and transfers heat. The indoor heat exchanger causes heat exchange to be performed between the heat medium and an indoor air in an air-conditioned space. The flow control device controls a flow rate of the heat medium in the indoor heat exchanger. The heat-source-side device heats or cools the heat medium before the heat medium is sent to the indoor heat exchanger. The voltage drop device reduces a voltage that is applied to the pump based on a value of a current that is supplied to the pump, in association with a flow rate of the heat medium in the heat medium circulation circuit.

Abstract: A sensor apparatus for a sail includes a unique sail identifier and an in-use sensor, the in-use sensor determining whether the sail is in an in-use condition or a dormant condition. The in-use sensor includes a light sensor for measuring light falling on the sail and one or more accelerometers for measuring orientation and vibration of the apparatus, wherein an in-use condition is determined from reviewing whether measurements from the light sensor and one or more accelerometers exceed threshold values.

Abstract: A system for extracting landfill gas from a landfill is provided. According to some embodiments, a control system for landfill gas extraction is provided. The control system uses a throttle to control flow of landfill gas extracted from the landfill. The throttle is actuated in use to vary the flow of gas between a well and a gas collection system, in accordance with a control algorithm that adjusts flow as a parameter in controlling gas extraction. The throttle is configured to ensure that there is at least some flow of landfill gas from the landfill to a gas output throughout operation. The extraction system provides an efficient system for landfill gas extraction, while mitigating a risk of creating undesired or unpleasant conditions and/or of violating regulations during operation.

Abstract: Various implementation described herein are directed to a method for identifying a blockage in a pitot-static system. A pressure signal is received. Pressure fluctuations in the pressure signal are identified. A determination is made as to whether a blockage has occurred in the pitot-static system based on the identified pressure fluctuations.

Abstract: In order to provide a correction device that enables the accuracy of the linearity between sensor output values and flow rate values in a flow rate sensor, there are provided a sensitivity correction function storage unit that stores a sensitivity correction function in which at least a portion of sensitivity correction values are set to different values in accordance with the sensor output values output from a flow rate sensor in an initial state in which the sensitivity coefficient is set to an initial value, a sensitivity setting unit that sets the sensitivity coefficient based on the initial values and on the sensitivity correction function, and then adjusts the sensitivity of the flow rate sensor, and a coefficient calculation unit that calculates a post-correction flow rate characteristic function based on function correction values that are decided in accordance with the flow rate values output post sensitivity correction.

Abstract: A fluid mixture parameter determination (FMPD) system for analyzing a fluid mixture while moving includes a computing system and at least one material model that includes two or more model parameters for a plurality of material compositions stored in the memory. An ultrasonic sensor and a millimeter wave (MMW) sensor are each coupled to sense the fluid mixture and are coupled to the computing system. The ultrasonic sensor is for providing ultrasonic data to the computing system including a velocity of the fluid mixture or a volumetric flow, and a velocity of sound (VoS) through the fluid mixture. The MMW sensor is for providing MMW velocity data to the computing system. The computing system is for utilizing the material model together with the ultrasonic data and the MMW velocity data for identifying parameters including a plurality of components in the fluid mixture and a concentration for the plurality of components.

Abstract: A method for interference reduction between radar units. The method is performed by a radar unit and comprises: receiving one or more radar frames, wherein the one or more radar frames correspond to one or more respective time intervals during which the radar unit was activated to transmit and receive signals to produce data samples of the one or more radar frames; and determining whether the one or more radar frames have a higher presence of data samples that are subject to interference from other radar units in a first half of their corresponding time intervals than in a second, later, half of their corresponding time intervals. In case the presence is higher in the first half of their corresponding time intervals, a scheduled time interval of an upcoming radar frame to be produced by the radar unit is postponed, and otherwise it is advanced.

Abstract: An improved liquid vaporization and conditioning system, and associated method, for efficiently vaporizing a liquid sample for accurately determining the constituent components thereof providing enhanced flow rate, pressure and thermal control, the improvement including a combination of a resistance temperature detector, a sweeping bend to, an in-line thermal break, a flow buffering input manifold, enhanced multi-path heater vaporizer construction with four heater units, a vaporizer output mixing manifold and control elements providing a capability for partial shutdown in the event of compromised heating or flow anomalies without risk of flow loss/volume capacity beyond a permissible threshold and an improved, modular heat vaporizer enclosure.

Abstract: A risk determining method and apparatus are disclosed. The risk determining method includes obtaining a plurality of sets of elevation-velocity data, determining a diffusion prediction coefficient based on the obtained sets of elevation-velocity data, determining at least one of a volatilization factor (VF) or a particulate emission factor (PEF) based on the determined diffusion prediction coefficient, and determining a risk from an inhalation exposure based on the at least one of the VF or the PEF.

Abstract: A computer-implemented method for anomaly detection in a data processing system comprising a processor and a memory comprising instructions which are executed by the processor. The method includes receiving a plurality of real-time airflow patterns acquired by a plurality of airflow alerters, wherein each real-time airflow pattern corresponds to a different airflow alerter; comparing each real-time airflow pattern with a predetermined airflow pattern, wherein each real-time airflow pattern corresponds to a different predetermined airflow pattern; when there is any real-time airflow pattern different from the corresponding predetermined airflow pattern, identifying a group of airflow alerters among the plurality of airflow alerters, wherein a real-time airflow pattern of each airflow alerter in the group is different from the corresponding predetermined airflow pattern; and identifying a location of an anomaly based on the group of airflow alerters.

Abstract: Disclosed are a system, methods and computer-readable medium products that provide safety constraints for an insulin-delivery management program. Various examples provide safety constraints for a control algorithm-based drug delivery system that provides automatic delivery of a drug based on sensor input. Glucose measurement values may be received at regular time intervals from a sensor. A processor may predict future glucose values based on prior glucose measurement values. The safety constraints assist in safe operation of the drug delivery system during various operational scenarios. In some examples, predicted future glucose values may be used to implement safety constraints that mitigate under-delivery or over-delivery of the drug while not overly burdening the user of the drug delivery system and without sacrificing performance of the drug delivery system. Other safety constraints are also disclosed.

Abstract: Provided herein are systems and methods to measure the intraocular pressure, ocular tissue geometry and the biomechanical properties of an ocular tissue, such as an eye-globe or cornea, in one instrument. The system is an optical coherence tomography subsystem and an applanation tonometer subsystem housed as one instrument and interfaced with a computer for at least data processing and image display. The system utilizes an air-puff and a focused micro air-pulse to induce deformation and applanation and displacement in the ocular tissue. Pressure profiles of the air puff with applanation times are utilized to measure intraocular pressure. Temporal profiles of displacement and/or spatio-temporal profiles of a displacement-generated elastic wave are analyzed to calculate biomechanical properties.

Abstract: A method and apparatus for measuring multiple parameters of drilling fluid using electric field perturbation, permittivity curves, time domain analysis and frequency domain analysis to identify constituents of drilling fluid and ratios of the drilling fluid constituents on a real time basis and to measure volumes and densities of the constituents on a real time basis.

Abstract: The method of the present disclosure for signaling a standard frequency of a density meter comprises: exciting bending vibrations of a measurement tube at an excitation mode working frequency, the working frequency depending on the density of a medium conducted in the measurement tube and on a disturbance variable; determining a characteristic value of the working frequency; determining a value representing the disturbance variable; calculating a corrected density value of the medium as a function of the characteristic value of the working frequency and of the value representing the disturbance variable; calculating a characteristic value of the standard frequency as a function of the corrected density value, the standard frequency being the frequency which produces the corrected density value in a calculation of the density using a frequency-dependent standard function which is not dependent on the disturbance variable; and providing a signal representing the standard frequency.

Abstract: A controller for a well system automatically profiles the system, detects a pre-charge of an associated pressurized storage tank, and automatically configures pressure-based control of a pump based on the detected pre-charge. The controller determines the pre-charge of the pressurized storage tank while the tank is connected to the system. While monitoring a system pressure, the controller activates the pump to initiate a filling operation of the pressurized storage tank. The controller analyzes a change in system pressure during the filling operation to determine the pre-charge of the pressurized storage tank. With the pre-charge determined, the controller automatically configures pressure settings for pressure-based control of the pump.

Abstract: Embodiments are directed to methods, systems and user interfaces for assessing reservoir management competency for a petroleum producing field. In one scenario, a computer system measures, using various hardware-based sensors positioned in a petroleum reservoir supplying the petroleum producing field, physical or geological characteristics of the petroleum reservoir. The computer system establishes a reservoir management competency scoring system that evaluates a specific set of objective criteria that reflect a level of reservoir management competency at the petroleum producing field, and automatically generates, according to the objective set of criteria of the reservoir management competency scoring system, a reservoir management rating for the petroleum reservoir based at least in part on data measured by the sensors placed in the petroleum reservoir.

Abstract: A pipetting apparatus and method for pulsed dispensing of small metered-liquid doses of no more than 1 ?l. The apparatus includes a pipetting conduit at least partly filled with working gas, a pressure-modifying apparatus for modifying the pressure of the working gas, and a control apparatus for applying control to the pressure-modifying apparatus. The control apparatus can control the pressure-modifying apparatus so as to generate in the pipetting conduit, with respect to a reference holding pressure in the pipetting conduit which is necessary for immovable holding of the metered-liquid quantity, an overpressure pulse having a pulse duration of no more than 40 ms.

Abstract: By monitoring pressure transients in a liquid within a liquid distribution system using only a single sensor, events such as the opening and closing of valves at specific fixtures are readily detected. The sensor, which can readily be coupled to a faucet bib, transmits an output signal to a computing device. Each such event can be identified by the device based by comparing characteristic features of the pressure transient waveform with previously observed characteristic features for events in the system. These characteristic features, which can include the varying pressure, derivative, and real Cepstrum of the pressure transient waveform, can be used to select a specific fixture where a valve open or close event has occurred. Flow to each fixture and leaks in the system can also be determined from the pressure transient signal. A second sensor disposed at a point disparate from the first sensor provides further event information.

Abstract: A process for use in managing a hydrocarbon production system includes: selecting, from among a plurality of changes proposed to operating parameters of the hydrocarbon production system, the proposed change with the greatest estimated positive change in production; assessing whether the selected change violates an operating constraint; based on said assessment, producing a valid change based on at least the selected change or identifying the selected change as an unusable change, iterating the above steps, the iteration excluding the valid change from the plurality of proposed changes; and implementing at least one valid change, the number of implemented valid changes being less than the number of proposed changes.

Abstract: Disclosed are systems, apparatus, methods, and computer readable media for suppressing network feed activities using an information feed in an on-demand database service environment. In one embodiment, a message is received, including data indicative of a user action. An entity associated with the user action is identified, where the entity is a type of record stored in a database. A type of the entity is identified. It is determined whether the entity type is a prohibited entity type. When the entity type is not a prohibited entity type, the message data is saved to one or more tables in the database. The tables are configured to store feed items of an information feed capable of being displayed on a device. When the entity type is a prohibited entity type, the saving of the message data, to the one or more tables in the database configured to store the feed items, is prohibited.

Abstract: Systems and methods are provided for obtaining data annotations from a crowdsourced group of individuals. The individuals can be provided with a set of data describing damage to an item and a variety of annotations can be applied to the data. In a variety of embodiments, multiple individuals can review the same claim and a final claim outcome can be determined based on the multiple reviews. In many embodiments, machine classifiers can process the set of data to identify particular features within the data. Scoring data can be generated, based on annotations provided by other individuals and/or machine classifiers that reflects the adjuster's skill at identifying features within the data and annotating the data. Claims can be assigned to individuals based on the score assigned to the individual.

Abstract: Method for carrying out rheologic measurements of a drilling mud, comprising: providing a first toroidal conduit (10); inserting into said first toroidal conduit (10) a drilling mud, comprising drilling debris; determining conditions to be simulated for said mud, said conditions to be simulated comprising a path length and/or a flow time to be simulated for said mud; determining, as a function of said conditions to be simulated, operating conditions to be applied to said mud, said operating conditions comprising a number of laps around said first toroidal conduit (10) and/or a flow time in said first toroidal conduit (10); regulating the temperature inside said first toroidal conduit (10); regulating the pressure inside said first toroidal conduit (10); providing a displacement device (20) comprising a first projectile (21), wherein said first projectile (21) fills substantially entirely a cross-section of said first toroidal conduit (10); moving, by means of said first projectile (21), said mud in the first

Abstract: An electronic device includes a display, a sensor, and a processor. The sensor measures a predetermined physical amount. The processor can change an obtaining interval at which the processor obtains measurement results of the measurement by the sensor; causes the display to display a graph that shows a shift in the measurement results; and in causing the display to display the graph, changes a display mode of the graph in a section in the graph depending on the obtaining interval. The display does not display a mark representing the obtaining interval while displaying the graph.

Abstract: A temperature regulating device regulates temperature of the magnetic circuit component incorporated in a power converter and including a magnetic core and a coil wound around the magnetic core and includes a cooling device that cools the magnetic circuit component, a temperature estimation device that estimates a temperature of the magnetic circuit component, a target temperature determination device that determines a target temperature of the magnetic circuit component, at which a loss of the magnetic circuit component is lowered, based on a relationship between temperature and loss of the magnetic circuit component, and a cooling suppressor that, when the temperature of the magnetic circuit component estimated by the temperature estimation device is equal to or lower than a predetermined temperature lower than the target temperature, suppresses the cooling of the magnetic circuit component by the cooling device so that the temperature of the magnetic circuit component reaches the target temperature.

Abstract: A thermal shielding arrangement for a turbine probe comprises a heat shield having first and second mating portions axially engaged in overlapping relationship around a probe extending through an air cavity between an exhaust case and a turbine housing. The first mating portion is provided on a radially outer surface of the turbine housing. The second mating portion projects radially inwardly from a radially inner surface of the exhaust case.

Abstract: Provided is a method for cleaning a filtration membrane provided in a membrane filtration device that is immersed in a liquid to be treated and performs solid-liquid separation on the liquid to be treated. When a transmembrane pressure difference exceeds a first predetermined pressure difference P1, a first cleaning step W1 for cleaning a filtration membrane is performed using a first chemical solution; when the transmembrane pressure difference immediately after performing the first cleaning step W1 exceeds a second predetermined pressure difference P2 that is lower than the first predetermined pressure difference, a second cleaning step W2 for cleaning the filtration membrane is performed using a second chemical solution having a concentration higher than the first chemical solution; and when the second cleaning step W2 is performed, the concentration of the second chemical solution and/or the cleaning time is changed according to the temperature of the liquid to be treated.

Abstract: The invention relates to various means for implementing a method for compensating measured values in capacitive pressure measuring cells using a measuring capacity and at least one reference capacity, comprising the following steps: determination of a pressure-induced capacitance change of the reference capacitance as a function of a pressure-induced capacitance change of the measuring capacitance, determination of a thermal shock-induced capacitance change of the reference capacitance as a function of a thermal shock-induced capacitance change of the measuring capacitance, measurement of the measuring capacitance and of the at least one reference capacitance, determination of the thermal shock-induced capacitance change of the measuring capacitance from a combination of the above dependencies, compensation of the measured measuring capacitance by the thermal shock induced capacitance change of the measuring capacitance, and determination and output of the pressure-induced capacitance change or a quantity

Abstract: Disclosed is a cell imaging method including: forming a light sheet with respect to a flow cell; causing a measurement sample containing a plurality of cells to flow in the flow cell; and receiving lights generated from the plurality of cells passing through the light sheet, by an imaging device via an element configured to extend a depth of focus, and taking images of the plurality of cells by the imaging device.

Abstract: Systems and methods for monitoring and controlling dynamic multi-phase flow phenomena, capable of sensing, detecting, quantifying, and inferring characteristics, properties, and compositions (including static and dynamic characteristics, properties and compositions). The systems combine machine vision and mathematical models, which enables direct observation and detection of static and dynamic multi-phase fluid flow properties and phenomena (e.g. voids, waves, shadows, dimples, wrinkles, foam, bubbles, particulates, discrete materials, collections of materials, and position) and inferring other properties and phenomena (e.g. flow regimes, bubble velocities and accelerations, material deposition rates, erosion rates, phasic critical behavioral points as related to heat transfer, and the volumetric and mass flow rates of the phases) that are used to monitor and control systems applied to a multi-phase fluid flow system.

Abstract: An aftertreatment system comprises a SCR system, a reductant injector operatively coupled to the SCR system, and a reductant insertion assembly operatively coupled to the reductant injector. The reductant insertion assembly comprises a pump configured to pump the reductant through the reductant injector. A controller is operatively coupled to the reductant insertion assembly and configured to receive predetermined calibration values of the pump corresponding to delivery of a reductant by the pump through a calibration injector. The controller determines a desired flow rate value of the reductant into the SCR system. The controller determines an insertion time of the reductant injector for delivering the reductant through the reductant injector based on the desired flow rate value, a pump operating parameter value of the pump and the predetermined calibration values, and activates the reductant injector for the insertion time.

Abstract: A method can include receiving information associated with a geologic environment; based at least in part on the information, computing values associated with multiphase fluid flow in the geologic environment using a viscous flow upwind scheme and a buoyancy flow upwind scheme; and outputting at least a portion of the computed values.

Abstract: In at least one illustrative embodiment, a guided wave radar (GWR) level transmitter may comprise a waveguide probe to be positioned in a tank containing media, a measurement circuit, and a compute device. The measurement circuit may transmit a series of pulses along the waveguide probe and measure a series of reflected waveforms, where each of the series of reflected waveforms resulting from transmission of one of the series of pulses along the waveguide probe. The compute device may implement an expert control system to determine a level of the media in the tank, where the expert control system comprises (i) a knowledge base incorporating prior knowledge and (ii) an inference engine to apply logical rules from the knowledge base to evaluate information contained in the series of reflected waveforms to determine the level of media in the tank.

Abstract: A spacecraft includes a propulsion system including an inert gas stored in a set of pressurant tanks, one or more electric thrusters operable with the inert gas, one or more cold gas thrusters operable with the inert gas; and a pneumatic arrangement including commandable valves.