Abstract: The systems and method described in this specification relate to at least partially restoring porosity and brine permeability of carbonate core samples. The systems and methods include extracting a carbonate core sample from a subterranean formation. The extracted carbonate core sample is inserted into a core flooding test machine. A first porosity and a first brine permeability of the extracted carbonate core sample is measured. A fluid is pumped through the extracted carbonate core sample to flood the carbonate core sample. The fluid includes at least one of a high-molecular weight polymer solution and a gel particle solution. The systems and methods include at least partially restoring the porosity and the brine permeability of the carbonate core sample by pumping an oxidizing solution through the flooded carbonate core sample and heating the carbonate core sample to a temperature of at least 60° C. after pumping the oxidizing solution through the carbonate core sample.

Abstract: A thermal barrier coating is provided. The thermal barrier coating is configured to remain adherent to a substrate under high strains, thus allowing the use of non-contacting strain measurement systems, using digital image correlation for example. The thermal barrier coating may include a first layer of a partially metallic material configured to adhere to a metallic substrate, and a second layer of a partially ceramic material configured to adhere to the first layer. A successful configuration has a top layer thickness that is approximately two-thirds of the first layer thickness.

Abstract: A signal output device comprising a housing, a fastener that attaches the housing to an object that includes a portion to be struck, an arm section attached to the housing, an extension section extending from the arm section and configured to contact the portion to be struck, a first sensor that detects vibration transmitted to the arm section and outputs a vibration signal representing the vibration, a second sensor provided on the housing and that detects vibration transmitted to the housing, and an output terminal that outputs the vibration detected by at least one of the first sensor or the second sensor.

Abstract: A system for pipe network failure classification, may include one or more sensors, a pipe network parts database, and at least one processor communicatively networked to the one or more sensors and the pipe network parts database. The at least one processor is configured to intermittently receive sensor collected parameters from the one or more sensors, reference, upon receipt of an indication of a failure of a pipe in the pipe network, records of the pipe network parts database and retrieve one or more feature parameter values associated with the failed pipe's operational or environmental conditions, and classify the pipe failure into one of two or more failure categories associated with different failure causes, based on values of parameters associated with the failed pipe that are received from at least one of the one or more sensors or the pipe network parts database.

Abstract: An inspection method of the present invention includes supplying water from a tank to an interior of a conduit through a hose provided at one end of the conduit, releasing air from the interior of the conduit to an outside of the conduit through an air vent tube provided at another end of the conduit, determining whether or not water that does not contain air is drained from the air vent tube, when it is determined in the determining that water that does not contain air is drained from the air vent tube, stopping supplying water to the interior of the conduit, closing a valve of an air vent portion, and blocking both ends of the conduit, and performing pressurization by increasing a pressure of the interior of the conduit whose both ends are blocked and whose interior is filled with water, and measuring a pressure value of the interior of the conduit when the pressurization ends and a pressure value of the interior of the conduit when a predetermined period of time elapses.

Abstract: A portable apparatus that can be temporarily attached to plumbing angle stop valves and the like, for the purposes of: (i) providing a controlled supply of water for repair and construction operations in a building; and (ii) testing for leaks in plumbing systems. This invention consists of the following components as depicted in FIGS. 1 through 4. Control unit consists of manifold interconnected with valve. Gauge is mounted into gauge port. Inlet pipe is attached to inlet port via matching threaded ends. Posterior end of inlet hose connects to inlet pipe via supply fitting. Anterior end of inlet hose can be attached onto a plumbing angle stop valve via supply fitting; said fitting has circumferential finger grips to facilitate attachment/removal without tools. Outlet port has outlet pipe mounted via matching threaded ends; said pipe can be fabricated in a straight or curved configuration. Quick-disconnect snap coupler can be installed between inlet pipe and inlet fitting as an alternate connection means.

Abstract: A 1D ultrasonic converter unit having at least three ultrasonic converters and a control unit for individually controlling each ultrasonic converter, wherein each ultrasonic converter has a housing, a piezoelectric body, and a sound decoupling layer for decoupling sound waves in a gaseous medium, is embedded in a common carrier structure, and emits and/or receives the same frequency between 20 kHz and 400 kHz. Each ultrasonic converter has one sound channel having an input opening associated with one sound decoupling layer, and an output opening. The output openings are arranged along a line, a distance between two adjacent output openings corresponds at most to the whole or half the wavelength of the sound frequency and is smaller than the distance of the input openings.

Abstract: A shaped body, in particular for a pressure sensor, can have a membrane and having a supporting section supporting the membrane. The membrane can be produced at least in layers from a ceramic material by means of additive manufacturing, in particular 3D screen printing, and having an outer circumferential shape with at least one corner.

Abstract: An image forming apparatus includes an image forming target to be transported along one direction, three or more image formers arranged away from each other along the one direction and configured to form images on the image forming target, and an image forming target winding motion correcting roller rotatably in contact with an inner peripheral surface of the image forming target and positioned on a downstream side of the image former at an upstream end in a transport direction of the image forming target so that plural image formers are positioned on a downstream side of the image forming target winding motion correcting roller. A distance between the plural image formers positioned on the downstream side of the image forming target winding motion correcting roller is an integral multiple of an outer peripheral length of the image forming target winding motion correcting roller.

Abstract: The disclosure includes a new test method of evaluating lost circulation prevention with expandable geopolymers. The expandable geopolymer is tested using a permeability plugging tester, slot disk, drilling fluid, and a piston to determine how much fluid is released from the test cell.

Abstract: In accordance with at least one aspect of this disclosure, a fluid system of an aircraft includes a primary fluid conduit that conveys a primary fluid, and a leak detection system disposed around at least a portion of the primary fluid conduit and forming one or more detection volumes. The leak detection system determines whether there is a primary fluid leak into the one or more detection volumes by sensing a pressure change in the one or more detection volumes.

Abstract: In a method of measuring parameters of superabsorbents, the absorption capacity of superabsorbents is determined under pressure, by reducing the pressure applied to a sample of the superabsorbent stepwise and determining the absorption capacity at each pressure. In addition, the rise in absorption capacity after a reduction in pressure is measured as a function of time and this is used to calculate the swelling constant k or the characteristic swelling time ?. Swelling constant or characteristic swelling time or the magnitude of the difference in absorption capacity at two different pressures are used to determine further parameters of the superabsorbent.

Abstract: Techniques for inspecting a weld of a nuclear waste canister include positioning a gamma ray image detector near a nuclear waste canister that encloses nuclear waste. The nuclear waste canister includes a housing that includes a volume in which the waste is enclosed and a top connected to the housing with at least one weld to seal the nuclear waste in the nuclear waste canister. The techniques further include receiving, at the gamma ray image detector, gamma rays from the nuclear waste that travel through one or more voids in the weld; generating an image of the received gamma rays with the gamma ray image detector; and based on the generated image, determining an integrity of the at least one weld.

Abstract: Examples are directed towards apparatuses, systems, and methods. For example, an apparatus includes a weight including a first side and a second side. The first side of the weight forms a receiving hole in the first side. A pin includes a first end and a second end. The second end of the pin is inserted into the receiving hole of the weight. The pin includes a reduced portion. A pin detonator is coupled to the reduced portion of the pin to sever the pin when detonated.

Abstract: A particulate filter inspection system for a particulate filter includes a compressed air source, a primary conduit, a controller, a probe, and a gauge. The compressed air source is configured to draw air from an air source. The primary conduit is configured to receive the air from the compressed air source. The probe is coupled to the primary conduit and communicable with the controller. The probe is configured to interface with a face of the particulate filter to provide the air to only a sector of the particulate filter. The gauge is configured to determine a pressure of the air within the primary conduit when the probe is providing air to only a sector of the face of the particulate filter. The controller is configured to receive the pressure from the gauge, compare the pressure to a target upper pressure, and provide an indication that the particulate filter is dirty if the pressure is not lower than the target upper pressure.

Abstract: An oil-gas-water three-phase automatic metering device and method includes a liquid inlet pipe, a pump body, a degassing assembly, a water inlet assembly, first and second liquid storage pipes, a weighing assembly, and a control unit. The liquid inlet pipe, degassing assembly, one end of the first liquid storage pipe and one end of the second liquid storage pipe are connected to four valve ports of a first changeover valve, respectively. The water inlet assembly, one end of the pump body, the other end of the first liquid storage pipe, and the other end of the second liquid storage pipe are connected to four valve ports of a second changeover valve, respectively. The degassing assembly, the water inlet assembly and the other end of the pump body are in communication with the weighing assembly, and the pump body, degassing assembly and weighing assembly are communicatively connected to the control unit.

Abstract: A method for measuring an ultrasonic attenuation parameter guided by harmonic elastography including applying, using a vibrator included in a probe in contact with a viscoelastic medium, of a continuous low frequency vibration, the continuous low frequency vibration generating an elastic wave within the viscoelastic medium and generating, during the propagation of the elastic wave, using an ultrasonic transducer in contact with the viscoelastic medium, a series of ultrasonic acquisitions, the series of ultrasonic acquisitions including groups of ultrasonic acquisitions, the groups of ultrasonic acquisitions being generated with a repetition rate, each group of ultrasonic acquisitions including at least one acquisition; the ultrasonic attenuation parameter being measured from the ultrasonic acquisitions realised during the application of the continuous low frequency vibration.

Abstract: A permeameter device comprising a pedestal base, wherein said pedestal base comprises an inner raised wall and an outer raised wall, wherein the inner raised wall is lower in height than the outer raised wall, a trough defined between the outer and inner walls of dimensions to accept therein a cylindrical tube, and at least one passage, having an inner port on said inner wall and extending through the outer wall through an outer port for fluid connection through said passage, and a loading rod, wherein a sample is prepared to fit within the cylindrical tube.

Abstract: A single stage high pressure mercury injection capillary pressure measurement apparatus includes a sample sub-assembly, a transducer sub-assembly, a hydraulic intensifier, and a gas cylinder. The sample sub-assembly includes a casing having walls defining an interior volume, a penetrometer arranged in the casing, the penetrometer having walls defining a sample volume, an annular space defined between the walls of the casing and the walls of the penetrometer, and a common chamber fluidly connected to the annular space by a fluid line and to the sample volume of the penetrometer by a tubing. The transducer sub-assembly is fluidly connected to the sample sub-assembly via the common chamber and includes a plurality of high-pressure transducers a plurality of low-pressure transducers. The hydraulic intensifier is fluidly connected to the common chamber and is configured to apply a high pressure to the annular space.

Abstract: A method for leakage monitoring of a compressed air system of a motor vehicle is disclosed. The compressed-air system has a compressed air supply system, a compressor, and a plurality of compressed-air consumer circuits. The method includes: a) successive detection of a supply pressure via a pressure sensor in a main supply line or in a supply line of at least one compressed air consumer circuit at a predefined time interval; b) successive calculation of pressure gradients of the supply pressure from at least two consecutively detected pressure values; c) comparison of the determined pressure gradients with a predefined gradient limit value; and d) output of a warning signal when the pressure gradient within a predefined monitoring time period which comprises a plurality of delivery pauses of the compressor has not exceeded the gradient limit value.