Abstract: A deep-water drilling gas kick pilot-scale apparatus, including: a simulation wellbore having an upper wellbore transitioned to a lower wellbore through a variable cross section; a drilling tool with an annular space formed between the drilling tool and the simulation wellbore; a gas-injection system, comprising an air compressor and a gas-injection pipeline; a mud circulation system, comprising a mud supply source, a first pump, a second pump, and a mud-return pipeline; a Coriolis mass flowmeter provided on the mud-return pipeline; a Doppler sensor installed on the upper wellbore; and a built-in pressure gauge carrier connected between a drill pipe and a drill bit.

Abstract: A sensor arrangement includes a temperature sensor element, a connection device electrically connecting the sensor arrangement to an external device, a plurality of electrical lines electrically connecting the temperature sensor element to the connection device, a carrier holding the temperature sensor element and the electrical lines, and an encasing enclosing the temperature sensor element. The carrier has a measuring portion. The electrical lines are arranged directly on the carrier or on a separate line carrier arranged on the carrier. The electrical lines have a cross-sectional area equal to or less than 0.08 mm2.

Abstract: A computer-implemented method for detecting anomalies in data from a sensor comprises receiving a plurality of data points from the sensor; determining a first anomaly score component, the first anomaly score component varying according to a Cook's Distance value; determining a second anomaly score component, the second anomaly score component varying according to a singular spectrum analysis value; determining a third anomaly score component, the third anomaly score component varying according to a rolling variance rate of change value; determining a fourth anomaly score component, the fourth anomaly score component varying according to whether a current data point is within an upper bound and a lower bound; determining a total anomaly score as a function of the anomaly score components; comparing the total anomaly score to an anomaly score threshold value; and determining the data point is an anomaly if the total anomaly score is greater than the threshold value.

Abstract: A measuring arrangement is disclosed that ensures safe installation and removal of a sensor relative to a wall of a measuring volume. The sensor is movably arranged in a mounting adapter that is fixedly arranged in the wall. The sensor is held in the mounting adapter by the connection of a coupling ring to the mounting adapter. A recess is provided for guiding a peg element. The position of the peg element in the recess is adjustable in, or counter to, the insertion direction of the sensor by a rotary and/or insertion movement of the coupling ring. The sensor and coupling ring are movable together by pressurization so that the peg element is arranged in a first locking position when pressurization by the medium is present in the measuring volume.

Abstract: A method for detecting the occurrence of snoring during operation of a machine configured for transporting liquid. The machine includes an impeller and an electric motor, operatively connected to a control unit. The method includes operating the machine in order to transport liquid on the condition that the instantaneous power of the machine is directed towards a set power level. The instantaneous power of the machine is allowed to fluctuate within a set power level range defined upwards by a max-factor times the set power level and defined downwards by a min-factor times the set power level. The method further includes determining the machine is snoring by the control unit when the instantaneous power of the machine is below a snoring level equal to a snoring-factor times the set power level by monitoring at least one of the operational parameters of power, current, or power factor of the machine.

Abstract: Optical fiber based acoustic sensors are provided herein. The optical fiber based acoustic sensors described herein include acoustically responsive optical structures configured to detect and receive acoustic signals, including ultrasound signals, and provide associated optical signals to a system for processing and interpretation to implement tracking, location, and imaging capabilities. Optical fiber based sensors provided herein may be disposed at ends of or along the length of optic fibers. Optical fiber based sensors may be included within various devices, including, for example, medical devices. Optical fiber based sensors may provide a compact technology with high sensitivity to visualize and track objects and provide anatomical imaging.

Abstract: A liquid chromatograph includes a liquid sender that sends a plurality of solvents, a mixer that has an internal capacity for mixing the plurality of solvents sent by the liquid sender, a sample injector that injects a sample into an analysis flow path through which the solvents mixed in the mixer flow as a mobile phase, a separation column provided on the analysis flow path for separating the sample injected by the sample injector to each component, a detector provided downstream of the separation column on the analysis flow path for detecting the components of the sample separated in the separation column, a capacity information storage medium that is attached to the mixer to store information as to the internal capacity of the mixer, configured to read the information stored in the capacity information storage medium to specify the internal capacity of the mixer.

Abstract: Provided are a material testing machine that can improve the responsiveness and the stability and perform a feedback control for a test condition, and a method for controlling a material testing machine. A monitor amount conversion unit (23) calculates an estimation testing force by multiplying an elongation amount measured by an elongation amount measurement unit (22) by a control stiffness of a test piece (TP). A material test control unit (24) determines an operation amount for a servo motor (43) for reducing a deviation between an actual testing force applied to the test piece (TP) and a target testing force according to a test condition based on an estimation testing force, and executes a tensile test for the test piece (TP).

Abstract: System and methods are described for directly measuring mechanical properties of a sample while concurrently imaging the sample using a scanning beam microscope (e.g., a scanning electron microscope (SEM)).

Abstract: Disclosed example pressure transducers include: an absolute pressure sensor comprising a fluid input and a sensor housing configured to contain a reference pressure, and configured to output a signal representative of a pressure sensed at the fluid input; an outer insulation housing around the sensor housing of the absolute pressure sensor, wherein a volume between the outer insulation housing and the sensor housing comprises a vacuum pressure, wherein the outer insulation housing has a pinch tube configured to allow establishing of the vacuum pressure in the volume when the outer insulation housing is assembled to form the volume, and to seal the vacuum pressure in the volume when the pinch tube is sealed.

Abstract: A pipeline for conveying concrete determines a pressure in and/or a wall thickness of the pipeline, wherein a first length portion of the pipeline has a first wall thickness and a second length portion of the pipeline has a second wall thickness greater than the first wall thickness. The determination is made using a first strain gauge on an outer side of the first length portion and a second strain gauge on an outer side of the second length portion, wherein the strain gauges are each fixedly applied to the outer side of the length portions. A strain gauge and/or the second longitudinal section of the pipeline are/is at a spacing from at least one end of the pipeline, which spacing corresponds to at least an internal diameter of the pipeline. By comparing strain gauge measurements, the wall thickness is determinable.

Abstract: A sensor assembly for determining the level of oil in a filter pan may include a load cell for sensing the amount of oil in the filter pan. The filter pan may be pivotable about a first end of the filter pan within a frame. The assembly may also include a lever pivotable about a fulcrum. A first end of the lever may support a second end of the filter pan. A second end of the lever may press against the load cell based upon downward pressure from the filter pan against the first end of the lever.

Abstract: A device and a method for in situ penetration measurement of gas transport parameters in an unsaturated soil layer. The device mainly consists of a gas supply system, a gas concentration display recorder, a gas pressure display recorder, a sleeve, a gas concentration sensor, a gas pressure sensor, a porous gas-permeable tube and a conical penetration head. The gas diffusion coefficient and permeability coefficient of the unsaturated soil can be obtained by only measuring the gas pressure value, the gas concentration value and the corresponding gas flow value of an unsaturated soil layer at a depth required to be tested, and substituting same into calculation formulae of the gas diffusion coefficient and permeability coefficient. The testing process of the method is simple and fast, and is low in cost, simple in operation and convenient in calculation.

Abstract: A mobile plant for orienting a tool with respect to a hole is provided. The plant includes an arm assembly for supporting a tool wherein the tool is adapted to be lowered into the hole. The plant also includes a primary sensor for sensing the geographical location of the tool, and a secondary sensor for sensing the location and/or orientation of the hole. In use, the plant adjusts the position of the tool supported by the arm assembly based on the geographical location sensed by the primary sensor and the location and/or orientation sensed by the secondary sensor, in order to align the tool supported by the arm assembly with the hole.

Abstract: A system for pavement slab analysis based on data regarding transfer of force through a sensing volume responsive to exertion of weight on the sensing volume by passing objects including a precast pavement slab defining the sensing volume and having a top surface, a plurality of strain gauges embedded in the pavement slab within the sensing volume, and load-transferring connector(s) attaching the pavement slab to an adjacent slab. The strain gauges are distributed across an XY coordinate plane parallel to the top surface. The system also includes a processing element and computer-readable instructions for receipt of electrical signals from the strain gauges and to analysis of the electrical signals to determine one or more of the following: (A) risk of a structural defect in the pavement slab, (B) risk of a problem with underlying sub-grade beneath the pavement slab, and (C) movement of the passing objects across the top surface.

Abstract: A milking system includes a milking device, a milk line for carrying milk, and a sampling unit arranged to take a sample from the milk line and test the sample for the presence or concentration of at least one substance. The sampling unit is provided with a housing. The housing includes a supply reel with a tape that carries reagent, and a sample supplier. The sampling unit includes a tape displacer displacing the tape, a sample analyser, and a used tape collector device collecting tape with reagent to which a sample has been supplied. The supply reel at a surface thereof includes a desiccant, or is completely made of a desiccant material. This provides such a large volume of desiccant that the correspondingly high moisture absorption capacity ensures an uninterrupted useful life of the sampling unit, and thus of the milking system.

Abstract: Distributed fiber optic sensing (DFOS) systems, methods and structures for determining the proximity of vibration sources located perpendicular to a sensor fiber that is part of the DFOS system that may potentially threaten/damage or otherwise compromise the sensor fiber itself. Systems, methods, and structures according to aspects of the present disclosure employ Artificial Intelligence (AI) methodology(ies) that use as input a fundamental physical understanding of wave propagation and attenuation in the ground along with Bayesian inference and Maximum Likelihood Estimation (MLE) techniques for estimating/determining the proximity of potentially damaging vibration sources to the optical sensor fiber.

Abstract: Provided is a pressure detection device including a pressure detection unit and a channel unit. The channel unit has a contact part arranged in contact with the pressure detection unit, the contact part has a protective film arranged in contact with a pressure detection surface and configured to block contact between the pressure detection surface and a liquid and a body forming an opening arranged at an end of the channel, the protective film and the body are formed of a thermoplastic fluorine resin, and the protective film is arranged so as to close the opening of the body and welded to the body in an annular region extending circumferentially about the axis.

Abstract: Systems and methods for determining Container Closure Integrity (CCI) in a container system comprising a container, an elastomeric stopper, and a retainer for retaining the stopper in place are disclosed. The systems and methods involve disposing, within a seal assembly, a component configured to sense a degree of compression of the elastomeric stopper. In a first implementation, the elastomeric stopper comprises an embedded positioning component embedded within the elastomeric material. The position of the positioning component is sensed using a detection system and the integrity of the closure is determined based on the position of the embedded component. In a second implementation, a force sensitive resistor is disposed within the seal stack to measure the compression of the elastomeric stopper. The compression of the elastomeric stopper is correlated to the integrity of the seal.

Abstract: Rheological measurement systems for use with systems including pressurized polymer melts and/or other viscous materials are described. In one embodiment, a rheometer is connected to an associated system with a bent, curved, or bendable tube to permit the rheometer to measure rheological properties in locations where the rheometer could not otherwise be located due to the presence of obstructions. Embodiments including rigid straight tubes for connecting a rheometer to an associated system are also described. In another embodiment, a flow-through rheometer is connected to an industry standard ½-20 thermowell aperture that is typically used for attaching temperature and pressure probes to a vessel containing a viscous material such as an extruder or injection molding system. The rheological measurement systems described can have improved tube resistance and thermal strength.