Abstract: Distributed sensing systems and methods with spatial location correlation of a reflection produced along an electromagnetic (EM) waveguide. A distributed sensing system comprises an EM waveguide, a distributed sensing interrogator, and a processor. The distributed sensing interrogator comprises a transmitter coupled to the EM waveguide and generates an interrogation pulse through the EM waveguide. The distributed sensing interrogator also comprises a receiver coupled to the EM waveguide and responsive to backscattered EM waves propagating through the EM waveguide. The processor determines a spatial location associated with a reflection produced along the EM waveguide using a return signal generated from the reflection by the interrogator and an interrogation signal including the interrogation pulse.

Abstract: An arrayed waveguide, an input-side slab waveguide, an output-side slab waveguide, an input waveguide, and an output waveguide are included. Provided are a groove formed to extend in a direction crossing a plurality of the output waveguides, and an optical conversion unit made of a conversion material that converts near-infrared light to visible light, the groove being filled with the optical conversion unit. The conversion material is, for example, a phosphor or fluorescent substance that converts near-infrared light to visible light.

Abstract: Thermoelectric generator elements and associated circuit elements are simultaneously formed using a common semiconductor device fabrication process to provide an integrated circuit including a dynamically reconfigurable thermoelectric generator array on a common chip or die substrate. A switch logic circuit formed together with the thermoelectric generator elements is configured to control series and parallel connections of the thermoelectric generator elements is the array in response to changes in circuit demand or changes in the available ambient energy source. In an example implementation, the number of generators connected in series may be varied dynamically to provide a stable voltage source, and the number of generators connected in parallel may be varied dynamically to provide a stable current source.

Abstract: A temperature measurement device includes: a detector to detect a first Stokes component and a first anti-Stokes component when a light is input into a first end of an optical fiber and detect a second Stokes component and a second anti-Stokes component when a light is input into a second end; and a processor configured to execute a process comprising: replacing the second anti-Stokes component with a value according to the first Stokes component, the first anti-Stokes component and the second Stokes component when any one of correlations of the second anti-Stokes component to the first Stokes component and the first anti-Stokes component is less than or equal to a threshold value; and measuring a temperature at the sample point by using the first Stokes component, the first anti-Stokes component, the second Stokes component, and the second anti-Stokes component that is replaced in the replacing.

Abstract: A machine includes an enclosure having a double layer wall including an outer wall that provides mechanical protection and protection from dust, fluids and environmental factors and an inner wall having a gradient change in reflectance with height within the enclosure; a lens coupled to the enclosure, the lens defining an optic axis-within the enclosure parallel to the gradient change in reflectance with height; a camera coupled to the lens; an image processing circuit coupled to the camera; and a plurality of light sources coupled to the enclosure, the plurality of light sources defining a plurality of illuminant axes located substantially symmetrically around and parallel to the optic-axis. Each of the plurality of light sources includes a plurality of independently controllable segments located along the illuminant axes so an angle of illumination from the plurality of light sources to the optic axis can be controlled.

Abstract: A method for determining temperature in a flow channel of a gas turbine positioned on a testing bench includes: arranging at least one rod-shaped element provided with a thermal paint coating inside the flow channel; operating the gas turbine on the testing bench in a defined operating mode, wherein the thermal paint coating of the at least one rod-shaped element changes its color depending on the temperature that the thermal paint coating is exposed to; detecting the color distribution of the thermal paint coating of the at least one rod-shaped element; and determining the temperature that has been present in the flow channel along the at least one rod-shaped element in the defined operating mode based on the detected color distribution. Another embodiment relates to a measuring device having a rod-shaped element provided with a thermal paint coating.

Abstract: A temperature measuring system includes a laser light source to emit optical pulses, an optical fiber, arranged to pass through a plurality of measuring points, and input with the optical pulses, and a measuring device to detect back-scattering light output from the optical fiber and measure a temperature at the plurality of measuring points, to acquire measured temperature data. The measuring device computes corrected temperature data by varying a degree of smoothing the measured temperature data in a distance direction of the optical fiber, according to a correlation between the measured temperature data and a transfer function peculiar to the temperature measuring system.

Abstract: A temperature measuring system includes a laser light source that emits optical pulses, an optical fiber, arranged to pass through a plurality of temperature measuring points, and input with the optical pulses, and a measuring device that detects back-scattering light output from the optical fiber and measures a temperature at the plurality of measuring points, to acquire measured temperature data. The measuring device computes corrected temperature data by varying a degree of averaging of the measured temperature data in a time direction, according to whether a time-sequential difference temperature data have a spatial correlation or a time correlation within a range that uses a target position of the optical fiber as a reference.

Abstract: A tube reactor for heterogeneous catalyzed gas phase reactions having a thermal tube with a catalyst material around which a fluid heat transfer medium, a temperature-sensitive optical waveguide surrounded by a capillary tube that extends into the catalyst material and has measuring points having a predetermined spacing between adjacent measurement points, and can be connected to a source for optical signals and to an evaluation unit (31) for optical signals reflected by the optical waveguide. The optical waveguide has measuring points having a spacing between adjacent measuring points in the axial direction of the thermal tube which is 0.8 to 5 times the shortest edge length of all imaginary cuboids which, having a minimum volume in the cases in which nominal external dimensions are associated with particles of the catalyst material.

Abstract: The invention comprises a method of forming a concrete structure or object. The method comprises detecting the temperature of a quantity of curing concrete and selectively adding heat to the curing concrete, so that the temperature of the curing concrete follows a predetermined temperature profile during at least a portion of the concrete curing process. Apparatus for performing the method is also disclosed.

Abstract: A measurement system includes a cable having a length, a light source, at least one detector, and at least one processor. The light source is operably coupled to the cable and is configured to transmit an optical signal to the cable. The at least one processor is operably coupled to the cable and configured to: receive a scattered signal from the cable responsive to the optical signal transmitted to the cable; map the scattered signal to the length of the cable; and de-convolve a spatial averaging effect of the scattered signal using a weighting profile corresponding to the light source and the cable to generate a distributed property profile defined along the length of the cable.

Abstract: A probe is provided that contacts the inner surface of the casing or other production tubing and imparts energy to the surface at the contact point, for example as heat energy or mechanical energy. Energy is imparted around the circumference of the casing, and a fiber optic distributed sensor located on the outer surface of the casing is used to measure and record the energy that it receives whilst the probe is moved to impart energy around the circumference. A record of energy versus position of the probe around the circumference can be obtained, from which maxima in the detected energy measurements can then be found. The position around the circumference which gave the maximum measurement should be the position at which the optical fiber of the fiber optic distributed sensor is located. In addition, an ultrasonic arrangement is also described, that relies on ultrasonic sound to provide detection.

Abstract: The method CND of non-destructive testing of a wind turbine blade includes: stressing the structure of the blade through a modification of a physical characteristic of a fluid filling the hollow interior volume of the blade; observing zones to be tested of the exterior surface of the blade, with the contactless measurement of a physical parameter on points of the exterior surface of the blade; and comparing the map of the values of the physical parameter measured with a reference map. A corresponding system CND for checking the structural integrity of a wind turbine blade includes an aerothermic device for modifying the physical conditions, temperature or pressure, of a fluid filling the hollow interior volume of the blade, a device for contactless measurement of a physical parameter, temperature or dimensions, of the exterior surface of the blade, and a device for processing the measurements.

Abstract: An apparatus for measuring temperature parameters of a structure is provided. The apparatus comprises: a carrier including at least one receiving portion; and a plurality of temperature sensors disposed within the at least one receiving portion and secured to the receiving portion via a bonding medium, the sensors being distributed along at least one direction of the carrier and configured to measure and record temperature information through microstructural changes corresponding to temperatures experienced by the respective sensors.

Abstract: Two styles of The Mammography Device are intended, brassiere style (typically for females) and breastplate style (typically for males). The Device should be manufactured to include highly variable cup or mold sizes that will conform to the breast and torso snugly without tightness and use Sensors and Mesh Lines to “read” through breast tissue. Secondary Torso Connectors enhance sizing variability. The Device will have a Vacuum Ability, which allows the Conforming Mesh to be customized to individuals. The Device will create a more comfortable screening for breast tissue anomalies than current methods. The Device may be manufactured to be recyclable; each part should be soft. The Device may be ground for electricity via Grounding Points at its right or left Horn. The communication port on The Device may be used to connect it, if not using wireless communications, from its Rim to a computer.

Abstract: The thermal image smoothing method, which is a method for smoothing thermal images produced on the basis of thermal image values measured with a work that has been coated with a black body coating, is provided with a removal process wherein estimated thermal image values are set as values on respective line segments between maximum points and thermal image values that are smaller than the estimated thermal image values are removed from the thermal image values as anomalous thermal image values.

Abstract: A tire tread temperature sensing and display apparatus, system and method are disclosed. The apparatus comprises a temperature sensor, a controller and a display. The sensor is configured to be mounted to a vehicle and to sense tire tread temperature. The controller is configured to receive and process temperature measurements and to communicate to a display, the display configured to display temperature related information in response to communication from the controller.

Abstract: A heatable gas analysis device which is monitored in a simply way, wherein a gas analysis device contains a monitoring unit which, after the device is switched on and until a predefined operating temperature is reached, generates a two-dimensional temperature profile from temperature progressions measured at different measuring points within the device, in which temperature profile one dimension indicates time and another dimension indicates the different measuring points, where the monitoring unit compares the temperature profile to a reference temperature profile generated and stored under reference conditions and, in the event of any deviation exceeding a predefined amount, generates an error message.

Abstract: The invention relates to a device for thermal adaptation, comprising at least one surface element arranged to assume a determined thermal distribution, said surface element comprising a first heat conducting layer, a second heat conducting layer, said first and second heat conducting layers being mutually thermally isolated by means of an intermediate insulation layer, wherein at least one thermoelectric element is arranged to generate a predetermined temperature gradient to a portion of said first layer. The invention also relates to an object such as a craft.

Abstract: The present inventions, in one aspect, are directed to a temperature sensing apparatus comprising a micromachined thermistor configured to output voltage and/or current signals which are/is correlated to an ambient temperature. The micromachined thermistor includes a micromachined thermistor structure suspended over and released from the substrate, wherein the micromachined thermistor structure includes a temperature dependent characteristic (e.g., resistance to an electrical current), and electrical contacts connected to the micromachined thermistor structure, wherein the electrical contacts are adapted to conduct the voltage and/or current signals. The apparatus, in one aspect, includes measurement circuitry, to generate data which is representative of the ambient temperature using the electrical resistance of the micromachined thermistor structure.

Abstract: The invention relates to a mapping catheter for determination of data of an area of an organ embodied as a flat surface, especially of the heart, to be presented graphically, with at least one thermosensor essentially aligned in the direction of the longitudinal axis of the mapping catheter for determination of temperature-related data which is arranged at a tip of the mapping catheter being provided in the distal area of the mapping catheter for introduction into the organ.

Abstract: A method and system for identifying a trend in data of heat maps. An initial set of comparison heat maps included in the repository is determined and displayed based on how closely initial comparison area(s) of each comparison heat map match initial target area(s) of a first heat map. A review of the initial set of comparison heat maps determines additional comparison area(s) corresponding to additional target area(s) of the first heat map. In an iterative process, an additional set of comparison heat maps is determined and displayed based on how closely initial and additional comparison areas match respective initial and additional target areas of the first heat map. A trend relating initial and additional target areas is identified based on the displayed additional set of comparison heat maps and based on how closely comparison areas match their respective target areas.

Abstract: The invention comprises systems and methods for estimating the rate of change in temperature inside a structure. At least one thermostat located is inside the structure and is used to control an climate control system in the structure. At least one remote processor is in communication with said thermostat and at least one database stores data reported by the thermostat. At least one processor compares the outside temperature at at least one location and at least one point in time to information reported to the remote processor from the thermostat. The processor uses the relationship between the inside temperature and the outside temperature over time to derive a first estimation for the rate of change in inside temperature assuming that the operating status of the climate control system is “on”.

Abstract: An instrumentation rake assembly comprises a rake tower capped at an immersed end and mated to a lead carrier at a base end. The rake tower comprises a curved wall oriented along a longitudinal axis and supporting a plurality of probe holders. The curved wall has an inner surface defining an internal passage for carrying instrumentation from the probe holders to the lead carrier. In another aspect, an instrumentation rake assembly comprises a plurality of rake towers, each having a base end and an immersed end, and each rake tower being coupled at its immersed end to one or more other rake towers.

Abstract: The present disclosure proposes the placing of temperature sensors embedded in the power semiconductor device. In this, at least one of the embedded temperature sensors is placed within or close to the heat source, active areas or channels of the power semiconductor circuit, and at least one of the embedded temperature sensors is placed more apart from the heat source, active areas or channels of the power semiconductor circuit. Furthermore, a new the temperature measurement method is provided, with timing of the temperature measurement and adjusting measurement parameters to appropriate threshold values.

Abstract: A steel plate quality assurance system according to a steel plate manufacturing line, and facilities thereof are provided.

Abstract: A distributed optical fiber sensor system is provided. In this system, backward-scattered light generated in a test optical fiber is filtered to separate the backward-scattered light into Raman scattered light and Brillouin scattered light. The separated Raman scattered light and Brillouin scattered light are each converted into digital data. A change in temperature with respect to the distance of the test optical fiber is measured from the digital data of the Raman scattered light. A change in temperature and a change in the degree of deformation with respect to the distance of the test optical fiber are measured from the digital data of the Brillouin scattered light. The change in temperature and the change in the degree of deformation with respect to the distance of the test optical fiber are separately output using the measured data.

Abstract: The present invention provides a steel plate quality assurance system and facilities thereof, wherein the steel plate quality assurance system measures, with a steel plate manufacturing line including a finishing mill of a steel plate manufacturing line, and accelerated cooling equipment disposed on the downstream side of the finishing mill in the advancing direction of the steel plate manufacturing line, temperature of at least the whole area of the upper surface of a steel plate, or the whole area of the lower surface of a steel plate to perform quality assurance, and includes temperature measurement means; temperature analysis means; and mechanical property determining means.

Abstract: A module for integration into a mobile terminal, in order to estimate the ambient temperature, includes: a first device for measuring a first temperature in the first region; a second device for measuring a second temperature in a second region; and an evaluation device configured to ascertain a temperature difference between the first temperature in the first region and the second temperature in the second region, in order to estimate the ambient temperature.

Abstract: A thermal simulator simulates the thermal behavior of items such as eggs for which the actual internal temperature profile is difficult to measure. A yolk body simulates the egg yolk, an albumen body surrounds the yolk body and simulates the egg albumen, and a shell layer surrounds the albumen body to simulate the shell. The thermal properties of the materials forming the egg body, albumen body and shell layer are tuned to match the thermal properties of the egg yolk, egg albumen and egg shell. Thermometric devices are positioned within the egg body and egg albumen along with communication devices which process signals from the thermometric devices indicative of temperature and communicate these signals to a computer for further processing and display.

Abstract: A graphical user interface for analyzing thermal images is provided. The interface can be used to identify the temperatures at multiple areas of interest defined on an image. The areas can be denoted by configurable markers of different predetermined shapes. In some embodiments, the interface simultaneously displays temperature statistics relating to the user-identified areas of interest.

Abstract: A food temperature probe having a skewer for inserting into a food product, a plurality of temperature sensors within the skewer that detect a temperature at each temperature sensor location of the food product, and a single connector communicatively coupled to the plurality of temperature sensors.

Abstract: A method for monitoring a temperature of a survey surface in a room. The method includes: providing a number of temperature sensors coupled to the survey surface; receiving from the number of temperature sensors respective temperature values; applying an extrapolation model to the received temperature values and extrapolating an extrapolated thermographic scan of the survey surface; and monitoring the temperature of the survey surface on the basis of the extrapolated thermographic scan.

Abstract: There is provided a portable electronic device with one or more integrated temperature sensors (12) for measuring an ambient temperature, a dynamic compensator (25,26) for reducing the difference between a sensor output (Ts) in response to a change in the ambient temperature (Ta), wherein the dynamic compensator (25,26) switches depending on a predefined condition between at least one dynamic compensation mode for ambient temperature changes to lower temperatures and at least one different dynamic compensation mode for ambient temperature changes to higher temperatures.

Abstract: There is provided an optical fiber temperature distribution measuring device which measures a temperature distribution along an optical fiber (3) using backward Raman scattering light generated in the optical fiber. The device includes: a reference temperature thermometer (11) disposed in the vicinity of the optical fiber so as to measure a reference temperature (T1, T2) of the optical fiber; an arithmetic controller (7) that calculates a temperature (T) of the optical fiber based on the backward Raman scattering light; and a temperature corrector (12) that corrects the calculated temperature (T) based on a correction formula containing the reference temperature as a parameter.

Abstract: In a method for determining a state of an apparatus, detected temperatures are received from a plurality of sensors and are compared to at least one preset condition. The state of the apparatus is determined based upon the comparison.

Abstract: The invention relates to a zero heat flux temperature sensing device (100) for sensing a core body temperature of an object (113). The zero heat flux temperature sensing device (100) comprises a layer (107), a first temperature gradient sensor (105), a first heat flux modulator (103) and a heat flux modulator controller (102). The layer (107) has an opposing first side (112) and second side (108). In use the first side (112) is nearest to the object (113). The layer (107) is for obtaining a first temperature difference over the layer (107) in response to a first heat flux in a first direction from the first side (112) to the second side (108). The first temperature gradient sensor (105) senses at the first side (112) of the layer (107) a second temperature difference in a second direction. The second direction extends from a first border of the first side (112) towards a second border of the first side (112).

Abstract: Apparatus and method are provided for facilitating simulation of heated airflow exhaust of an electronics subsystem, electronics rack or row of electronics racks. The apparatus includes a thermal simulator, which includes an air-moving device and a fluid-to-air heat exchanger. The air-moving device establishes airflow from an air inlet to air outlet side of the thermal simulator tailored to correlate to heated airflow exhaust of the electronics subsystem, rack or row of racks being simulated. The fluid-to-air heat exchanger heats airflow through the thermal simulator, with temperature of airflow exhausting from the simulator being tailored to correlate to temperature of the heated airflow exhaust of the electronics subsystem, rack or row of racks being simulated. The apparatus further includes a fluid distribution apparatus, which includes a fluid distribution unit disposed separate from the fluid simulator and providing hot fluid to the fluid-to-air heat exchanger of the thermal simulator.

Abstract: Apparatus for a spatially resolved temperature measurement, with at least one optical fiber (6) for the spatially resolved temperature measurement, and at least one laser light source (2) producing light (3, 23) which can be coupled into the optical fiber (6), wherein the portions of the light (3, 23) backscattered in the optical fiber (6) can be coupled out of the optical fiber (6) and evaluated. The apparatus further includes means for reducing polarization-induced effects, wherein the means may be, for example, a polarization modifier (4) capable of at least partially depolarizing the light (3).

Abstract: An ultrasonic thermometer for measuring a temperature profile along a measurement axis of a solid structure, comprising a continuous measurement pathway of a solid structure (310) having a longitudinal measurement axis and proximal (202) and distal ends (204), and at least two backscatterers (332) formed therein transverse to the longitudinal axis and separated by a predetermined separation distance.

Abstract: A portable temperature sensing probe having a plurality of thermocouples is inserted into a tank mounted on a truck or other receptacle at the time of loading a hot liquid, e.g., molten sulfur. The probe and at least a portion of the associated wiring or leads are attached to the loading pipe and/or discharge nozzle, and the probe is inserted into the interior of the tank before the molten sulfur is discharged. The signals from the plurality of thermocouples are amplified and the corresponding temperature information is transmitted to a display and control device. Due to the significant differential between the temperature of the rising molten sulfur and the vapors in the tank overhead space, the signals generated indicate which of the thermocouple are in contact with molten sulfur or the vapor zone. The generated signals adjust the shut-off valve that controls the flow of molten sulfur into the tank.

Abstract: A method for detecting defect in a weld seam during laser welding. The method includes performing a two-dimensionally locally resolved detection of radiation that is emitted by a solidified molten mass that is adjacent to a liquid melting bath. The method also includes determining at least one characteristic value for heat dissipation in the solidified molten mass by evaluating the detected radiation along at least one profile-section of the solidified molten mass, and detecting a defect in the weld seam by comparing the at least one characteristic value with at least one reference value.

Abstract: A system for monitoring the forming of a solid object having a sensor string positionable in a forming structure before the curing process and a communication line extending along a string axis between a first and second end. The string further including a plurality of sensors joined to the communication line between the ends and each sensor being mounted at a set position on the line. Each sensor having a sensor body and a sensor housing and the sensor body including an electrical connecter to electrically join an electrical structure to the communication line at the set position. The electrical structure including a temperature sensor configured to monitor temperature near the set position and further including an electronic identification code corresponding to the set position of the sensor along the axis. The system further including a transmitting device for selectively communicating the temperature and identification code.

Abstract: This invention provides an apparatus for nondestructive residential inspection and various methods for using a thermal imaging apparatus coupled to inspect exterior residential components, interior residential component, for mold. More specifically, this invention provided a computerized method to facilitate inspecting a residential building.

Abstract: A method for calibrating distributed temperature sensing (DTS) systems is disclosed. The method includes: receiving temperature data associated with one or more locations along a length of an optical fiber; calculating a set of unique calibration coefficients specific to each of the one or more locations along the fiber length; and applying the set of calibration coefficients specific to each of the one or more locations along the fiber length to the temperature data for calibrated correction thereof. Also disclosed is a system for calibrating DTS data and a wellbore for providing calibrated DTS data.

Abstract: In one aspect, a data processing system includes a virtual temperature sensor to provide system temperature for different system configurations, and a controller coupled to the sensor to control operations of the data processing system according to the virtual temperature. The virtual temperature sensor typically derives the temperature of a particular configuration of the data processing system using mathematical models or one or more operating parameters of the data processing system. In one example, the mathematical models include a characterization table which provides the measured temperature data from various system configurations. These measurements are performed with temperature sensors positioned in ideal locations for different configuration, and are preprocessed to provide the virtual temperature computation. The characterization table also includes thermal characteristics, such as thermal time constant and thermal resistance, of the critical components at multiple thermal control states.

Abstract: An apparatus for measuring environmental parameters includes: an optical fiber sensor configured to be disposed along a path in an environment to be measured, the path of the optical fiber sensor defining a longitudinal axis; and at least one section of the optical fiber sensor configured so that an entire length of the at least one section is exposed to an at least substantially homogeneous environmental parameter, at least part of the at least one section extending in a direction having a radial component relative to the longitudinal axis.

Abstract: An optical fiber is provided with a first measurement portion and a second measurement portion provided with covering layers different at least in any one of heat capacity and heat conductivity. Then, the first measurement portion and the second measurement portion are located in the same measurement position and light is inputted from a temperature measurement device into the optical fiber. Thereafter, the temperature measurement device receives backscattered light generated inside the optical fiber to measure temperature distribution in a longitudinal direction of the optical fiber. An analyzer analyzes a variation over time of the temperature distribution outputted from the temperature measurement device to calculate a temperature and a wind velocity in a measurement position where the first measurement portion and the second measurement portion are located.

Abstract: A system for monitoring the forming of a solid object having a sensor string positionable in a forming structure before the curing process and a communication line extending along a string axis between a first and second end. The string further including a plurality of sensors joined to the communication line between the ends and each sensor being mounted at a set position on the line. Each sensor having a sensor body and a sensor housing and the sensor body including an electrical connecter to electrically join an electrical structure to the communication line at the set position. The electrical structure including a temperature sensor configured to monitor temperature near the set position and further including an electronic identification code corresponding to the set position of the sensor along the axis. The system further including a transmitting device for selectively communicating the temperature and identification code.

Abstract: A temperature indicating paint is provided. The paint is spreadable onto a surface of an article. The paint includes particles of an alloy of two or more metals. The particles vary in relative composition of the metals such that particles having different compositions have different solidus and liquidus melting temperatures.