989results about "Material thermal conductivity" patented technology

The invention discloses a real fire test device and test method for a large-diameter cable test model. The device comprises a multi-dimensional adjusting system, a real fire control system, a temperature monitoring system, a calorimetric and flue gas purification system, a high-temperature-resistant video recording device, a thermal imager and the large-diameter cable test model. The multi-dimensional adjusting system comprises a stand column fixed with a guide rail, a cross beam capable of moving along the guide rail, and a height adjusting system and an angle adjusting system capable of adjusting the height and the angle of the large-diameter cable test model; the real fire control system can control the opening degree of a premixing burner and the frequency of a fan so as to control the intensity of a fire source, so that real fire scenes of different types of vehicle fires are provided; before the large-diameter cable test model is tested, a space temperature field needs to be calibrated, and then the space position of the large-diameter cable test model is determined. According to the invention, a scheme can be provided for the fireproof performance test of the large-diameter cable test model of the bridge in a real space state, and technical support is provided for the fireproof design of the large-diameter cable test model of the large-span bridge.

The invention discloses a thermal insulation performance detection method and system for a composite wallboard, and relates to the technical field of building material detection, and the method comprises the steps: dividing a composite wallboard sample into a plurality of grids, setting an inversion starting point for each grid according to initial data, starting an inversion algorithm to gradually adjust the heat conductivity coefficient of each grid, and generating a heat conductivity coefficient distribution diagram, calculating the average heat conductivity coefficient and the overall thermal resistance value of the sample; the test platform applies full-automatic thermal excitation and sound wave excitation to a sample, collects sound signals and thermal imaging data related to internal defects of the composite wallboard, calculates the optimal matching time point of the sound signals and the thermal imaging data, and extracts defect related characteristics in the sound signals and temperature anomaly characteristics in thermal imaging in a double-flow processing mode. Generating a comprehensive defect distribution diagram, and comparing the comprehensive defect distribution diagram with the heat conductivity coefficient distribution diagram and the average heat conductivity coefficient to obtain preliminary judgment; through acoustic-thermal multi-mode cooperative detection, the spatial distribution of tiny defects in a sample is accurately positioned, and the influence of the tiny defects on the heat-conducting property is judged.

The invention relates to the technical field of heat preservation and energy conservation, and particularly discloses a system for testing the heat conductivity coefficient of a pipeline heat preservation material under an engineering meteorological environment condition, which comprises a straight pipe test piece with calibration ends fixedly mounted at two ends, and a heat preservation covering material wrapped on the outer wall of the straight pipe test piece to form a pipe fitting to be tested; the ventilation hood is positioned in the sealed space; air pipes at the output end of the air conditioning system are all located in the sealed space, and air outlets of the air conditioning system directly face the ventilation hood. By simulating multi-parameter coupling working conditions such as in-pipe medium temperature gradient, external temperature and humidity / wind speed circulation and mechanical vibration, the heat conductivity coefficient of the material is dynamically corrected, whether the heat conductivity performance of each layer of material meets the standard specification or not is verified, and the rationality of the composite structure is quantitatively evaluated based on a thermal resistance network model. Data support is provided for optimizing the heat preservation layer combination mode and thickness design, and the problem of design deviation caused by the fact that a traditional method cannot reflect actual engineering working conditions is solved.

The invention discloses an earth heat flow joint inversion calculation method, device and system, and a storage medium. The method comprises the following steps: 1, obtaining a temperature constraint value; 2, obtaining a thermal parameter constraint value; 3, determining value ranges of thermal conductivity and heat generation rate parameters of each layer section; 4, constructing an initial temperature profile; 5, carrying out inversion optimization to obtain an optimal thermal parameter; and 6, calculating and extracting an earth heat flow value. By adopting the technical scheme of the invention, a high-precision and high-reliability earth heat flow value can be obtained under the constraint of a small amount of measured data.

The invention discloses a vacuum brazing quality detection method for a heat dissipation structure and related equipment, and the method comprises the steps: obtaining heat flux density distribution data of the heat dissipation structure, and dividing the heat dissipation structure into different functional regions according to a thermal efficiency index; differential thermal pulses are applied to the heat dissipation structure in the vacuum brazing process, and thermal pulse response data and technological process monitoring data are obtained; calculating a thermal response characteristic parameter, comparing the thermal response characteristic parameter with a preset parameter range, identifying an abnormal state and generating a process adjustment instruction; performing time-space synchronization processing on the thermal response characteristic parameters and technological process monitoring data, and determining defect types, positions and severity; and performing a thermal load test to obtain heat conduction characteristic data, and quantitatively evaluating the structural integrity and the heat conduction performance of the brazed joint surface. According to the method, the defects of the internal joint surface can be detected in real time in the vacuum brazing process, the heat dissipation performance is accurately evaluated, and the limitation of a traditional detection method in coping with a complex geometric structure is solved.

A device for ascertaining a property of a fluid, having: an electric conductor assembly which is designed to be at least partly brought into contact with the fluid and which is designed as a voltage divider with two elements, wherein the first element is a first conductor which, at least in a current-conducting state, has a resistance value that differs from that of the second element; a measuring bridge with two voltage dividers connected in parallel, one of said voltage dividers being formed by the electric conductor assembly; an actuation unit for applying an AC voltage to the measuring bridge; a voltage detection unit for detecting a bridge voltage; and an analysis unit which is configured to ascertain a thermal conductivity as the property of the fluid by analyzing the bridge voltage using the 3-omega method.

This method is applicable to the technical field of bridge construction and provides a method for real-time monitoring and evaluation of the force-bearing state during the casting process of a steel-pipe concrete arch bridge. The solution involves identifying environmental background points in the RGB three-dimensional matrix for the entire bridge within the range between the maximum and minimum RGB values ​​in the local RGB three-dimensional matrix for the steel pipe, representing environmental background temperature points in the temperature information matrix, and identifying concrete pouring points based on whether the unit matrix condition for the temperature of the steel dome pipe is met. The system also obtains the horizontal axis of the pixel at the center of the poured liquid surface in the left and right half arches in a Cartesian coordinate system, divides the entire arch rib to be poured into 2n equal parts, and calculates the cross-sectional displacement response of each structure based on the cross-sectional displacement caused by the load action of each segment. This allows for real-time, efficient, and accurate observation of the difference in concrete liquid surface level on both sides, allowing for the structural response during pouring to be determined and reducing the construction risk of arch bridges.

The invention relates to the technical field of crude oil storage tank safety testing, and particularly discloses a crude oil storage tank combustion boiling overflow simulation testing device which comprises an experiment table, an oil tray, a sampling assembly and a measuring assembly, the oil tray is connected to the experiment table, and the measuring assembly comprises a plurality of heat flow meters, a thermocouple, a camera and an infrared camera. The heat flow meters are arranged at the bottom, in the middle and outside the oil pan respectively and used for measuring and obtaining internal and external heat conduction intensity data of the oil pan when crude oil burns. The thermocouple is connected in the oil pan through the mounting frame and used for measuring and obtaining data of the temperature of the center line of the oil pan, the formation position of a hot area and the temperature in the hot area, the camera is used for obtaining image data of the flame height, the splashing area contour and the combustion area contour which change along with time, and the infrared camera is used for obtaining image data of the thermal radiation area contour; the sampling assembly is connected to one side of the oil pan and used for sampling and detecting non-azeotropic oil in a hot area in the oil pan. The device can provide more comprehensive data support for disaster relief.

A synchronous test device and test method for specific heat capacity and thermal conductivity are provided. [Solution] The method includes: performing a test using a synchronous testing device for specific heat capacity and thermal conductivity, obtaining test temperatures collected by the assembly to be measured from a first thermocouple and a second thermocouple after heating to a quasi-steady state stage; determining a change relationship of the surface temperature of the assembly to be measured with distance based on the test temperatures of sampling points on the circumference collected by the second thermocouple; determining a calculated temperature of the circle center based on the change relationship; and determining the specific heat capacity and thermal conductivity of the assembly to be measured based on the test temperatures collected by the first thermocouple, the temperatures of the sampling points at the circle center, and the calculated temperature at the circle center. The present invention can realize synchronous and accurate measurement of the specific heat capacity and thermal conductivity of thermal conductive materials.

Methods and systems are provided for predicting thermal properties of a subsurface rock formation. A training dataset is derived from petrophysical properties of a plurality of formation rock samples and thermal properties of the plurality of formation rock samples. The training dataset is used to train a machine learning model that predicts label data representing the predefined set of thermal properties given input data representing the predefined set of petrophysical properties of an arbitrary formation rock sample. The machine learning model can be validated and deployed for use in predicting thermal properties of subsurface rock formations.

The invention belongs to the field of thermal resistance measurement of power devices, and particularly discloses a junction-to-case thermal resistance measurement method and device for a double-sided heat dissipation module. On the premise that the double-sided heat dissipation module is always in double-sided cooling, the double-sided junction-to-case thermal resistance of the to-be-tested device is determined by using the transient double-interface method under the top surface separation condition, and then the double-sided junction-to-case thermal resistance of the to-be-tested device is determined by using the transient double-interface method under the bottom surface separation condition. And according to the double-sided junction-to-case thermal resistances of the device to be tested obtained under the two separation conditions, the top surface junction-to-case thermal resistance and the bottom surface junction-to-case thermal resistance of the device to be tested are obtained through top surface and bottom surface heat flow proportion decoupling calculation. According to the invention, through decoupling calculation of the heat flow proportion of the top surface and the bottom surface, the influence of the asymmetric structure of the top surface and the bottom surface is eliminated, the measurement precision of the junction-to-case thermal resistance is high, and the problem that the traditional TDIM cannot directly measure the single-sided junction-to-case thermal resistance of the crimped IGBT under the condition of double-sided cooling is solved.

The invention discloses a building thermal insulation material product performance detection processing method, which fully considers the influence of actual environmental factors on the material performance by collecting the temperature value and the humidity value in the material application environment and calculating the dynamic weight of the heat conductivity coefficient and the water absorption rate, and compared with the traditional standard environment detection, the detection processing method has the advantages that the detection efficiency is greatly improved; and the performance of the material in different environments can be reflected more truly, so that the detection result is more suitable for the actual use condition. When the temperature value and the humidity value simultaneously exceed the standard range, the weight of the water absorption is secondarily amplified, and the heat conductivity coefficient and the qualified threshold of the water absorption are adjusted according to the fact that the temperature and the humidity exceed the specific value, so that the adaptability of the material in the extreme environment can be more accurately evaluated, misjudgment caused by a fixed standard is avoided, and the material quality is improved. And more reliable data support is provided for building design and construction.

The invention provides a soil moisture content detection method based on unsteady heat conduction and optical fiber temperature measurement, which comprises the following steps: heating a soil body in a target measurement area based on an active heating method, and measuring the temperature value of the soil body at each moment under different radial distances from a heating source in the heating process; substituting the soil body temperature value at any moment in the heating process and the corresponding radial distance into a predetermined soil body moisture content relation model to obtain the soil body moisture content at the position corresponding to the radial distance from the heating source in the target measurement area at the corresponding moment; and determining the soil mass moisture content of the target measurement area according to the soil mass moisture content at each radial distance position from the heating source in the target measurement area at the corresponding moment. According to the method, the relationship between the soil moisture content and the soil temperature value is established, and in-situ monitoring and long-time monitoring of the large-range soil in the target measuring area are achieved through the soil temperature value obtained through the active heating method.

The invention relates to a device and method for testing the heat conductivity coefficient of frozen soil in a near-phase-change region, and the device is characterized in that a heat-TDR probe sensor is inserted into a to-be-tested soil sample, then is sealed, and is placed into a constant-temperature liquid bath; the thermal-TDR probe sensor is used for performing integrated heating on a to-be-measured soil sample, measuring the temperature of the to-be-measured soil sample and measuring the dielectric constant of the to-be-measured soil sample, a lead of the thermal-TDR probe sensor is connected to the temperature acquisition device and the TDR-100 signal acquisition device, the TDR-100 signal acquisition device is connected to the TDR signal receiving device, and the TDR signal receiving device is connected to the thermal-TDR probe sensor. And the temperature acquisition device and the TDR signal receiving device transmit acquired signals to the processor. The phase change latent heat influence is considered, the water-ice phase change latent heat error correction method under the pulsating heat flow effect is defined, the calculation formula of the frozen soil heat conductivity coefficient of the near-phase-change area is corrected, and the test error of the frozen soil heat conductivity coefficient is reduced; and a guarantee is provided for accurately revealing the change rule of the frozen soil heat conductivity coefficient in the continuous temperature change process of the near-phase-change region.

The invention relates to the field of data measurement, and discloses a thermoelectric, rectification and Hall effect in-situ integrated measurement method for a micro-nano material, and the method is applied to a thermoelectric, rectification and Hall effect in-situ integrated measurement device, and comprises the steps: placing a to-be-measured sample made of the micro-nano material on a first surface of a substrate in a suspended manner, a to-be-tested sample is in contact with part of the microelectrodes, the snakelike microelectrodes are electrified and heated, and thermal performance parameters of the to-be-tested sample are measured; connecting a constant current source with the microelectrode, and measuring the electrical property parameters of the to-be-measured sample; applying a magnetic field, and measuring and calculating Hall thermal effect parameters of the to-be-measured sample and Hall effect parameters of the to-be-measured sample. The thermal conductivity, the conductivity, the Seebeck coefficient, the thermoelectric figure of merit, the thermal / electric rectification coefficient, the Hall thermal conductivity, the carrier concentration, the mobility and other parameters of the to-be-measured sample are directly measured in situ on the micro-nano material sample, the accuracy of the measurement result is improved, and a foundation is laid for research of a thermal electromagnetic coupling transport mechanism.

A thermal conductivity detector (1) is provided with: a cell block (2) provided with a measuring cell (10) in which a heating wire (12) for exchanging heat with a gas is arranged, the cell block (2) being provided with a cell inlet (11) for flowing the gas into the measuring cell (10) and a cell outlet (13) for flowing the gas out of the measuring cell (10); an outlet flow path (4) leading to the cell outlet (13) of the cell block (2); a buffer block (6) having a buffer space (14) in the inside and having a flow inlet (15) for flowing the gas into the buffer space (14) and a discharge outlet (16) for discharging the gas from the buffer space (14), the flow inlet (15) being fluidly connected to the outlet flow path (4); and a discharge member (8) holding a fluid resistance portion (20) for increasing a fluid resistance of the discharge outlet (16) and being installed to the buffer block (6) in a manner that the gas discharged from the discharge outlet (16) passes through the fluid resistance portion (20), the discharge member (8) being provided to be able to be detached from the buffer block (6) together with the fluid resistance portion (20).

The invention provides a registration type battery thermophysical parameter measurement method. A battery to be measured and a standard component group with known thermophysical properties are placed in the same air environment for synchronous heating and temperature measurement. The simulation curve and the actually measured temperature curve of the standard component are overlapped through the registration technology, the convective heat transfer coefficient of the environment is accurately inverted, and the function relation of the convective heat transfer coefficient is established. The function relation is applied to the battery to be tested, heat lost by convective heat transfer is compensated, and the specific heat capacity and the heat conductivity are synchronously obtained through one experiment process. According to the invention, the dependence of a traditional measurement method on a vacuum insulation environment is broken through, the problems of high measurement cost, low efficiency and poor data collaboration in the prior art are solved, and high-precision integrated measurement in a common environment is realized.

The invention belongs to the technical field of industrial equipment state monitoring and fault diagnosis, and particularly relates to a plate-type evaporator scaling state online monitoring and early warning system which comprises a data acquisition module, a data processing module, an abnormal reason judgment module and a risk early warning module. Different performance abnormity inducements such as scaling, non-condensable gas accumulation and mechanical change can be effectively distinguished, and the method has localized abnormity positioning and multi-factor intelligent traceability capabilities, so that misjudgment can be remarkably reduced; the actual heat transfer efficiency and on-way resistance are obtained through calculation, a comprehensive abnormal value and linear weighted fusion are constructed through a threshold exceeding degree, and visual support of scaling degree grading and a development trend is provided in combination with a time sequence change trend, so that an operator can scientifically plan shutdown cleaning time according to the scaling development trend.

The invention relates to the technical field of phase change heat transfer, and particularly discloses a multi-field coupling enhanced phase change heat transfer visualization experiment research device which comprises a vacuum cavity provided with a heat exchange block mounting hole, an auxiliary cooling device mounting hole, first to fifth thermocouple mounting holes, a wire mounting hole, an electric field, a magnetic field mounting position and an electromagnetic wave incident port. The heat exchange block is mounted in the heat preservation sleeve; the auxiliary cooling device is mounted in the auxiliary cooling device mounting hole; a heating rod mounting hole is formed in the bottom of the end cover; the heating rod is mounted in the heating rod mounting hole; the heat preservation sleeve is installed in the heat exchange block installation hole and provided with an ultrasonic oscillation generating device installation position. The electric field-magnetic field generating device is provided with an electric field generating device and a magnetic field generating device. The influence of the superheat degree and the supercooling degree on enhanced thin liquid film boiling heat transfer and enhanced condensation heat transfer can be researched by changing the heating rod and the heat exchange fluid flow.

The invention provides a soil moisture content calculation method based on an optical fiber temperature measurement technology, which comprises the following steps: acquiring a dry soil heat conductivity coefficient, dry soil density and porosity of a target area and a heat conductivity coefficient and density of water in the target area as soil basic parameters; based on an active heating method, obtaining temperature measurement values of the target area under different radial distances after the target area is heated to a steady state; the soil body basic parameters and the temperature measurement value are substituted into a soil body moisture content formula, and the soil body moisture content of the target area is obtained; wherein the soil mass moisture content formula is pre-constructed based on a soil mass steady-state heat conduction equation and the relationship between the heat conduction coefficient and the soil mass basic parameters, and represents the relationship among the heat conduction coefficient of the soil mass, the temperature and the soil mass moisture content. According to the method, the soil moisture content formula representing the relation among the soil basic parameters, the temperature measurement value and the soil moisture content is constructed, and tedious laboratory operation needed by an existing active heating method is simplified.

The invention relates to the technical field of heat conduction detection, and discloses a foamed ceramic plate heat conductivity coefficient detection device and method.The detection device is composed of a main body frame, a limiting mechanism, a sound wave measurement module, a heat source module and a detection module, and the limiting mechanism is used for positioning a to-be-detected foamed ceramic plate at a test position; the sound wave measuring module measures the pore structure so as to guide the heat source module to control the relative position of the heat conduction unit through the end displacement unit to provide a heat source for the foaming ceramic plate, the detection module is composed of a same-direction detection set and a different-direction detection set, temperature data are collected in different directions, and the data are analyzed through the data analysis unit. According to the device, by accurately controlling the supply position of the heat source, the heat conduction performance of a detected object is most accurately fed back through data collected by the detection module, and the problems that in the prior art, steady-state heat conduction detection is low in efficiency and high in cost are solved.

The invention relates to a test device (10) and a method for operating the test device (80) for testing a thermal resistance and / or thermal propagation in different component variants (24) of a battery component for a high-voltage battery, wherein the test device (10) has an enclosure space (21) for accommodating a battery cell or a battery module (23), and the enclosure space (21) is delimited on at least one side by a wall element (16) of this type, in which a holding device (25) is provided for alternately holding one of the component variants (24), wherein the holding device (25) is designed to expose the respective component variant (24) in the held state to the enclosure space (21).

The invention discloses a test device and method for in-situ monitoring of hydrates by using thermal-electric coupling, and belongs to the technical field of experiments for simulating generation and decomposition of hydrates in laboratories. The device comprises a hydrate synthesis and decomposition system, a temperature control system, a pressure control system, a thermal-electric parameter measurement system, a gas collection system and a data acquisition and user monitoring system, wherein a multi-point temperature sensor, a resistivity measurement probe and a heat conductivity coefficient measurement probe are arranged in a reaction kettle cavity; in-situ and real-time monitoring of multiple physical property parameters such as temperature distribution, resistivity change and heat conductivity coefficient in the whole process of generation and decomposition of the hydrate sample can be realized. According to the invention, thermal-electric coupling monitoring can be realized under high-pressure and low-temperature conditions, and a high-precision means is provided for hydrate formation mechanism research and exploitation processes.

To provide a thermal conductor, a heating device, a heat treatment apparatus, and a heat conduction performance measuring device capable of applying a high heat quantity to a work with an optional area and shape.SOLUTION: A thermal conductor includes: a heat receiving section 23 having a heat receiving surface for receiving heat from a heat source 10; a heat constriction section 24 that is continuous to the heat receiving section 23 and has a tapered shape that is thinned in a direction separated from the heat receiving section 23; and a heat radiation section 22 that has columnar structure extending in a first direction from the end of the heat constriction section 24 and transfers heat by allowing the tip of the columnar structure to abut on a work. A sectional area in an orthogonal direction relative to the first direction of columnar structure is smaller than a sectional area in an orthogonal direction of the heat receiving section 23.SELECTED DRAWING: Figure 1

A thermal sensor device serves for determining a concentration of a target gas in a gas sample that further comprises a disturbance gas. The thermal sensor device comprises first and second measurement structures (1, 2) comprising first and second temperature sensors (TS1, TS2) and a heater element (31) operable to cause heat transfer to the measurement structures through the gas sample. Processing circuitry provides heating power (P_3) to the heater element and derives an output signal (S) based on a response of the temperature sensors to the heating power, the output signal being indicative of a concentration of the target gas in the gas sample. The first and second measurement structures have different heat dissipation capabilities, and the processing circuitry derives the output signal from a weighted difference of temperature signals from the first and second temperature sensors. Thereby, a cross-sensitivity of the output signal to a concentration change of the disturbance gas may be reduced or eliminated.

The invention discloses a multi-rod-bundle high-temperature and high-pressure gas heat exchange experimental device and a heat exchange characteristic experimental method, and solves the problems of stable installation and central positioning of heating rods and sealing performance of a pressure container in the prior art. The device comprises a shell with a hollow cylindrical structure, a top sealing flange, a bottom sealing flange, a gas inlet, a gas outlet, a base body, a heating rod, a heating rod bracket, a heating rod mounting tray and a hanging bracket assembly, a high-pressure cavity is formed in the shell, the base body is located in the high-pressure cavity, a plurality of through holes are formed in the radial section of the base body, the heating rods are located in the through holes and are in clearance fit with the inner wall faces of the through holes, and the heating rod installation tray comprises a tray body and an installation platform located on the peripheral side of the tray body. The hanging bracket assembly comprises a plurality of hanging brackets and two positioning nuts arranged on each hanging bracket in a sleeving mode, the installation platform is clamped between the two positioning nuts, and the heating rods are installed in the through holes in a centering mode by adjusting the axial positions of the positioning nuts on the hanging brackets.

The invention provides a prediction method based on the wear state of a steel-based ceramic wear-resistant component, and relates to the technical field of material life evaluation, and the prediction method comprises the following steps: transmitting an excitation eddy current containing a first frequency and a second frequency to a steel substrate, and receiving a response signal modulated by the state of a steel substrate and ceramic-steel bonding interface; processing the response signals corresponding to the first frequency and the second frequency, and extracting a first phase variation of the first frequency relative to a first reference signal corresponding to the initial health state of the component and a second phase variation of a second reference signal corresponding to the second frequency; the difference quantity between the first phase change quantity and the second phase change quantity is calculated, and the heat conduction state change of the ceramic-steel bonding interface is represented; and acquiring the real-time working temperature of the wear-resistant part, evaluating the current state grade of the ceramic-steel bonding interface based on the real-time working temperature and the difference quantity, and predicting the residual safe service time of the ceramic wear-resistant layer in combination with the change trend of the difference quantity along with time.

A metrology system may measure thermal conductance across an interface between a first material layer bonded to a second material layer. The first material layer may include a first outward facing and the second material layer may include a second outward facing surface. The system may include a heating source which provides periodically varying heat across the first outward facing surface, and a heat sink in contact with the second outward facing surface. The system may further include a first thermal measurement device configured to measure a temperature of the first outward facing surface, and a second thermal measurement device configured to measure a temperature of the second outward facing surface. The system may generate, based on a plurality of measurements acquired over time, a thermal conductance measurement across the interface between the first material layer bonded to the second material layer.

In an example, an electronic device includes an electronic component with a temperature sensor to measure a first operating temperature of the electronic component at a first operating state having a first power value; and measure a second operating temperature of the electronic component at a second operating state having a second power value. The electronic device includes a controller to determine a first delta between the first operating temperature and an ambient temperature and determine a second delta between the second operating temperature and the ambient temperature. The controller is to determine a thermal resistance value and provide a notification when difference between a target thermal resistance value and the thermal resistance value exceeds a threshold.

One or more implementations of the present disclosure relate to a wireless, multi-sensor food thermometer that includes a temperature probe having a linear array of temperature sensors that are operative to measure: temperature profiles within a food product during a cooking process, a temperature at a core of the food product, a temperature at the surface of the food product, and a temperature of the ambient cooking environment in which the food is being cooked. The temperature probe includes a wireless interface that transmits temperature information to one or more external devices for use thereby. Rather than transmitting raw temperature data, the temperature probe may transmit coefficients that correspond to a function that describes the temperature profile within the food or parameters necessary to solve a governing heat equation, which reduces data transmission requirements and reduces power consumption. The food thermometer may include a charger case that houses the temperature probe and charges a power source of the temperature probe using a replaceable battery.