Abstract: A method of calculating blast injury metrics in a weapon training/IED blast scene can include: reconstructing topological layout of the scene having at least one real subject and a blast source; obtaining anthropometric and posture data for each real subject; obtaining anatomical soldier model for each real subject; identifying real position of at least one real pressure sensor on each soldier during a blast; positioning a virtual sensor on each anatomical soldier model to correspond with real pressure sensor on the real subject; calculating weapon signature of the blast source, the weapon signature including pressure versus time for a blast from the blast source; generating simulated pressure traces on each anatomical soldier model at east virtual pressure sensor; calculating blast injury metrics for the at least one real subject; and generating a report that includes the blast injury metrics for the at least one real subject.

Abstract: A paper ejection device includes: an ejection portion that ejects sheets of paper; a housing portion that houses the ejected sheets of paper in a sequentially stacked state; and a guiding portion that guides the sheets of paper, before being ejected, to the ejection portion while curving the sheets of paper. The housing portion is adjustable to plural angles including at least an angle at which the ejected sheets of paper are housed while being curved in a direction opposite to a direction in which the sheets of paper have been curved by the guiding portion.

Abstract: The aim of the invention is to economically produce a pressure measuring sensor element, and relates, according to one aspect, to a method for producing a pressure sensor measuring element for a pressure sensor which comprises at least one membrane and a covering protecting the membrane, the pressure sensor element being produced in a layer-by-layer generative production method. This makes it possible to, for example, easily construct a combination sensor for detecting pressure and an additional parameter. It is also possible to structures for reinforcement or for influencing resonant frequency or for influencing heat conduction.

Abstract: In some embodiments, a system includes a housing having a cavity defined therein for holding a test sample, a first inlet in fluid communication with the cavity to deliver fluid to the test sample, a second inlet in fluid communication with the cavity to deliver fluid to the test sample, the first inlet configured to deliver fluid to the test sample in a direction substantially perpendicular to a direction that the second inlet is configured to deliver fluid to the test sample, an outlet in fluid communication with the cavity to receive fluid from the test sample, and a force applicator configured to apply compressive force to the test sample within the cavity. The force applicator forms a seal with the housing while applying compressive force to the test sample. The system also comprises at least one sensor configured to, while fluid flows from at least one of the inlets through the test sample to the outlet, determine a fluid characteristic, a test sample characteristic, or any combination thereof.

Abstract: An apparatus for evaluating gas barrier properties, a support having a polymer for supporting a sample, a chamber on a permeation side, and a detection unit, the support being joined to the opening of the chamber on a permeation side; in which a polymer film is provided between the support and a sample; a chamber on a supply side is provided, being disposed so as to be closably attachable to the sample and able to go up and down; and an external chamber covers a region interposed between the polymer film and the support; and a method of evaluating gas barrier properties using the same.

Abstract: A vibration and noise characteristics measurement device for the measurement of vibration and noise characteristics of structures or objects includes at least one excitation unit for applying excitation for the generation of vibrations on the structure on which vibration and noise characteristics measurements are desired, at least one response sensor for sensing the vibration and/or noise produced by the structure in response to applied excitation, and at least one control unit for controlling excitation unit and/or response sensor.

Abstract: Provided herein are embodiments of a method and apparatus for measuring permeability of a rock core sample in the direction of pressure gradient. In one embodiment, a method includes providing a rock core sample having an inlet primary face, an outlet primary face and one or more sidewalls having a thickness (T) adjoining the inlet and outlet primary face, wherein the inlet primary face has a surface area (SAIF) and the one or more sidewalls have a surface area (SASW), and further wherein a ratio of the inlet primary face surface area (SAIF) to sidewall surface area (SASW) is at least 0.4; placing the rock core sample, unbounded, between an inlet flow plate and an outlet flow plate; directing a fluid through from the inlet flow plate into the rock core sample; and measuring a flow rate of the fluid exiting the outlet flow plate.

Abstract: Techniques for determining a location of a leak in a water distribution system are described herein. In some examples, a remote leak detection service and/or a leak detection device may receive measurements from a pressure sensor, a contamination sensor, and a flow rate sensor positioned along the water distribution system. Based on a difference in time between a change in pressure detected by the pressure sensor and a subsequent change in contamination detected by the contamination sensor, the flow rate measured by the flow rate sensor, and dimensions of the water distribution system, the remote leak detection system may determine the location of the leak.

Abstract: The invention is directed to a device for detecting cylinder leaks in an individual cylinder of an internal combustion engine having the cylinder head disassembled and wherein the piston in the tested cylinder is positioned at the bottom dead center and wherein a dual gauge leak-down tester is coupled to the herein disclosed device. The device has an internal airtight channel that allows pressurized air to enter from a pressurized air source to the device via a dual gauge leak-down tester and a set of clamps that acting as a security system, allows the user to firmly secure the device on the engine block. Once the device is assembled and secured above the cylinder and pressurized air is allowed to enter the cylinder through the device, leaks in the cylinder or its internal components are detected by comparing the percentage of air pressure indicated by each one of the gauges of the tester in a conventional manner.

Abstract: A testing device, a testing method, and a design method for a rotary pressure filter. The device includes a stabilizer tank; a buffer tank connected to the stabilizer tank; a filter frame disposed beneath the buffer tank, and connected to the buffer tank; a liquid receiving tank disposed beneath the filter frame; an electronic balance disposed at bottom of the liquid receiving tank; and a seconds counter. The testing method includes adding a certain calculated amount of testing slurry into the filter frame, introducing a gas with a certain pressure into the stabilizer tank, filling the filter frame through the buffer tank, opening a valve at bottom of the filter frame, measuring a mass of the expelled filtrate expelled from the filter frame, measuring time of the filtering process, sampling and analyzing the filter cake and the expelled filtrate according to actual needs; and perform cleaning and drying processes sequentially.

Abstract: A medium transport unit includes an upstream route in which a print sheet is transported, a first switchback route, a second switchback route, a first guide route, a second guide route, a guide flap configured to switch the route so that the print sheet in the upstream route is transported either toward the first guide route or toward the second guide route, a first discharge route from which the print sheet in the first switchback route is discharged, a second discharge route from which the print sheet in the second switchback route is discharged, and a downstream route passing between the first switchback route and the second switchback route and having an upstream end connected to a junction of downstream ends of the first discharge route and the second discharge route.

Abstract: A sampling apparatus is provided, which includes a pressing-up unit configured to press up a sheet piece that is being conveyed by a conveying unit, from a lower side of a conveyance course of the sheet piece to above the conveyance course; and a holding unit configured to hold the sheet piece pressed up by the pressing-up unit.

Abstract: A micromechanical piezoresistive pressure sensor includes a diaphragm configured to mechanically deform in response to an applied load, a sensor substrate located on the diaphragm, and a number of piezoresistive resistance devices located on the sensor substrate. The piezoresistive resistance devices are arranged in a first planar array defining a grid pattern having two or more rows, each row being aligned in a first direction. The piezoresistive resistance devices are configured to be electrically connected in a number of bridge circuits, whereby the piezoresistive resistance devices in each row is electrically connected in an associated bridge circuit. A method of using the micromechanical piezoresistive pressure sensor is also disclosed.

Abstract: An apparel straightener for screen printing comprises a curvilinear unit of plexiglass or similar material having a plurality of fastening apertures and covered edge configured to removably secure to a screen-printing press.

Abstract: A physical quantity measuring device includes a sensor module; a joint attached with the sensor module; a connector configured to be connected to a first or a second cylindrical case and the joint; a circuit substrate attached with an electronic circuit configured to receive a signal detected by the sensor module; and a holder holding the circuit substrate. The holder can be housed in the first cylindrical case in a first posture where a first end is engaged with a first connector and a second end is in contact with a first cover, or in a second cylindrical case in a second posture where the first end is engaged with a second cover and the second end is in contact with a second connector. The holder has an engaging projection engageable with a first engagement groove provided to the first connector and a second engagement groove provided to the second cover.

Abstract: A method for detecting a gaseous substance in a gas-mixture, a first measuring-variable which represents a first chemical and/or physical parameter of the gas-mixture being acquired, at least one second measuring-variable which represents a second chemical and/or physical parameter of the gas-mixture that differs from the first parameter being acquired, and a starting-measuring-instant, corresponding to the starting-instant, of the first parameter is specified when an amount of a time-derivative of the first measuring-variable exceeds a first predefined threshold-value and an amount of a time-derivative of the second measuring-variable exceeds a second predefined threshold-value, and at least one further first measuring-variable is acquired, an end instant is specified when the at least one further first measuring-variable corresponds to the starting measuring-variable, and an output signal is generated when the amount of a difference between the end instant and the starting instant is greater than a predefin

Abstract: Various techniques are provided for correcting error in static pressure data. In one example, a system includes an aircraft component. The aircraft component can include a port disposed within the aircraft component. A static pressure sensor is disposed within the port. The static pressure sensor is configured to provide primary pressure data in response to environmental air pressure. The data provided can include error due to acoustic disturbance. The system can also include an acoustic sensor configured to provide acoustic data in response to the acoustic disturbance. Data from the static pressure sensor and the acoustic sensor can be provided to a processor communicatively coupled to the static pressure sensor and the acoustic sensor. The processor can be configured to determine corrected static pressure data using the provided primary pressure data and the provided acoustic data. Additional systems and similar methods are also provided.

Abstract: Methods and systems method for determining core permeability of a subsurface formation. The method includes connecting an upstream reservoir to one end of a sample holder comprising a core sample of a subsurface formation, connecting a downstream reservoir to another end of the sample holder, providing a constant confining pressure within the sample holder, saturating the sample holder and the core sample with nitrogen at a saturation pressure, applying a pressure pulse to one end of the sample holder, and determining core permeability using the porosity of the mobile continuum when the pressure in the upstream reservoir, the downstream reservoir, and the mobile continuum is in equilibrium.

Abstract: A method and apparatus for testing the response of protective headgear 104 to impact forces. A high-speed cineradiography imaging system 100 is used to obtain full-field, time-resolved internal monitoring and measurement of headgear component (pads 140 and liners 142) deformation and interaction with a head surrogate (headform 102), deformation of headform components, and stress and strain transfer into the headform. Radiopaque contrast materials (144 & 148) and integration techniques are used to highlight specific regions of interest within the headgear and headform components during the impact loading events.

Abstract: Methods for simulating the movement of fluid through a formation volume comprises defining a lab-scale model representing rock fabric and associated permeability along a single well location within a formation volume and converting the lab-scale model to a field-scale model representing rock fabric and associated permeability at the single well location. The field-scale model representing rock fabric and associated permeability is correlated with field-scale log data and interpolated between multiple well locations so as to create a field-scale model representing rock fabric and associated permeability across the formation volume so that the movement of fluid through the formation volume can be simulated.