A method of feedback controlling a 3D printing process in real time, and a system therefor are disclosed. The method includes collecting big data, generated through 3D printing experiments, related to process variables of 3D printing, measurement signals, and 3D printing quality of the 3D printing object; building an artificial neural network model by performing machine-learning based on the collected big data; evaluating whether or not a 3D printing quality of the 3D printing object is abnormal in real time based on an actual measurement signal of the 3D printing object and the artificial neural network model; and feedback controlling printing quality of the 3D printing object in real time based on the evaluation result of whether or not the 3D printing quality of the 3D printing object is abnormal.

A dimensional fluid mapping system. An internal fluid device having one or more internal cavities configured to contain a fluid is disclosed. The one or more internal cavities have one or more internal features. The internal fluid device has a first side and a second side opposing the first side. A heating device is configured to apply heat to the first side when driven with a multifrequency excitation signal including first and second frequencies. A thermal measuring device is configured to record thermal signals emitted from the second side. A controller is configured to receive the thermal signals from the thermal measuring device and to generate a dimensional thermal map of one or more internal features of one or more internal cavities and/or an internal fluid distribution of the fluid contained in the one or more internal cavities in response to the thermal signals.

A laser power meter according to the invention is configured to have a power damper including a laser receiving body that receives a laser beam on an inner surface thereof and converts laser power into heat, a case that forms a channel between the case and an outer surface of the laser receiving body, a heat insulation member between the laser receiving body and the case, and temperature measurement means for measuring a heat quantity absorbed by the laser receiving body; and conversion means for converting a signal of the temperature measurement means into an output value for a laser beam.

A foldable corkscrew comprised of a main body, a helical thread being introducible screwed into a cork, a lever arm serving as a fulcrum point against the neck of a bottle, and an extractor tool for removal of cork pieces floating within a bottle. The thread and extraction tool are attached to a first shaft, connected to the intermediate portion of the main body, for foldable connection of the thread and extraction tool relative to the main body. The lever is attached to a second shaft, connected to the second end of the main body, for foldable connection of the lever relative to the main body. The extraction tool, sized to fit within a bottle neck, has a proximal end attached to the first shaft and a distal end having a cup for containment of a cork and cork pieces.

A method can include emitting, from a light source, directional light through fuel contained in a fuel tank, and determining a refraction angle of the directional light after the directional light passes through an interface with the fuel. The method can further include determining, by a processing device, an index of refraction of the fuel based on the determined refraction angle, and determining, by the processing device, a density of the fuel based on the determined index of refraction of the fuel.

A method for monitoring wellsite equipment may include producing a digital image and a thermal image of the wellsite equipment; identifying one or more equipment units in the digital image; overlaying the thermal image on the one or more identified equipment units in the digital image to thermally map the one or more identified equipment units; and analyzing temperature conditions of at least a first identified equipment unit.

An apparatus for indicating temperature of a liquid inside a bottle includes a housing having an upper surface configured to support a bottle and a base surface configured to rest on a structure. The apparatus further includes a non-contact thermometer located inside the housing and one or more indicators to display or provide an indication of a temperature state of the bottle. The apparatus also includes a processor. The non-contact thermometer senses temperature of a bottle placed on the upper surface of the housing and sends signals relating to the temperature to the processor, wherein the processor is configured to alert a user if there is an increase in temperature state of the bottle.

A method and a system for determining material-, size-, and morphology-dependent photothermal properties of particles dispersed in solutions, the method comprising using coherently detected pulsed THz radiation, tracking a temperature-dependent refractive index change of the particles dispersion in time and space, and correlating the temperature-dependent refractive index change of the particles dispersion in time and space to temperature values. A system comprises a source of electromagnetic radiation; a THz emitter; a THz detector; and a vessel containing a dispersion of particles, wherein the source of electromagnetic radiation is configured to emit electromagnetic radiation to excite the particles in the dispersion; the THz emitter is configured to send THz radiation to the vessel and the THz detector is configured to receives THz radiation returned by from the vessel.

The present invention is an apparatus for collecting infrared temperature reading of concentrates. The proposed embodiment provides a unique approach for users to easily collect critical heat data. The embodiment may even be used for both medical and recreational purposes.

A method of classifying a plastic, wherein the plastic is plasticized by supplying plasticizing energy in the form of mechanical and/or thermal energy with an increase in a temperature of the plastic from an initial temperature value to a final temperature value, a volume and/or a mass of the plastic and the supplied plasticizing energy is detected as measurement parameters by measurement means, in dependence on the detected measurement parameters, the initial temperature value, and the final temperature value at least one of the following is ascertained: a thermal capacity of the plastic and/or a change in enthalpy of the plastic and/or a parameter which can be derived by calculation from the thermal capacity and/or the change in enthalpy, and a plastic group including the plastic is identified on the basis of the ascertained thermal capacity and/or the ascertained change in enthalpy and/or the parameter which can be derived therefrom by calculation.