A prosthetic socket cooling system and method includes a thermally conductive heat spreader including a curved shaped portion configured to maximize contact with a residual limb of a user. A heat extraction subsystem is coupled through a wall of the prosthetic socket and to the thermally conductive heat spreader and is configured to maintain a desired temperature inside the prosthetic socket.

An illumination system includes a green light source, a red light source, a blue light source, and a thermoelectric cooler. The green light source includes multiple semi-conductor dies, and each of the semi-conductor dies has a power consumption of 8 W or larger. The thermoelectric cooler is thermally coupled to the red light source, and neither the green light source nor the blue light source is thermally coupled to a thermoelectric cooler.

Techniques, systems, and devices are disclosed for implementing a portable lab system for PCR testing. The portable lab system comprises a thermal cycling device including a first well and a second well to receive samples to be thermally cycled, a thermoelectric cooling (TEC) element coupled to the first well and the second well, and a controller to control operation of the TEC element. The portable lab system further includes an electronic interface including a power interface to supply power to the TEC element and the controller of the thermal cycling device to allow the TEC element to transfer energy from the first well to the second well when current flows through the TEC element in a first direction, and from the second well to the first well when current flows through the TEC element in a second direction, and a data interface to collect data from the controller.

A thermoelectric conversion material has a composition represented by the chemical formula Li.sub.3-aBi.sub.1-bSi.sub.b, in which the range of values a and b is: 0≤a≤0.0001, and −a+0.0003≤b≤0.023; 0.0001≤a<0.0003, and −a+0.0003≤b≤exp[−0.046×(ln(a)).sup.2−1.03×ln(a)−9.51]; or 0.0003≤a≤0.085, and 0<b≤exp[−0.046×(ln(a)).sup.2−1.03×ln(a)−9.51], and in which the thermoelectric conversion material has a BiF.sub.3-type crystal structure and has a p-type polarity.

[Problem] To provide a heat exchange device with which efficient electric power generation can be performed while transfer of a heat amount is maintained. [Solution] A heat exchange device comprising a heat exchange section 1 and a magnetic body 2. The heat exchange section 1 includes a first heat transmission interface 3 in contact with a heat source, and a second heat transmission interface 4 in contact with a heat bath having a temperature different from that of the heat source. The magnetic body 2 is interposed between the first heat transmission interface 3 and the second heat transmission interface 4 of the heat exchange section 1, and includes a magnetization component in a direction intersecting a heat flux produced between the first heat transmission interface 3 and the second heat transmission interface 4.

The present invention provides a thermoelectric conversion module which can utilize sunlight and solar heat by using high output charge-transport-type thermoelectric conversion elements. The present invention provides A thermoelectric conversion module which comprises at least a thermoelectric conversion module-element in which charge-transport-type thermoelectric conversion elements are formed and a photothermal conversion substrate containing photothermal conversion material, wherein the thermoelectric conversion module-element comprises an insulating substrate, and n-type and/or p-type charge-transport-type thermoelectric conversion elements are formed on the insulating substrate, wherein the charge-transport-type thermoelectric conversion element comprises a charge transport layer and thermoelectric conversion material layers and electrodes, wherein the photothermal conversion substrate is disposed so that it absorbs external light and converts it into heat and transfers the heat to the electrodes or the thermoelectric conversion material layers disposed on the charge transport layers.

A handheld device has a projector that projects a pattern of light onto an object, a first camera that captures the projected pattern of light in first images, a second camera that captures the projected pattern of light in second images, a registration camera that captures a succession of third images, one or more processors that determines three-dimensional (3D) coordinates of points on the object based at least in part on the projected pattern, the first images, and the second images, the one or more processors being further operable to register the determined 3D coordinates based at least in part on common features extracted from the succession of third images, and a mobile computing device operably connected to the handheld device and cooperating with the one or more processors, the mobile computing device operable to display the registered 3D coordinates of points.

A heat recovery system that includes at least one an engine, a radiator, an Organic Rankine Cycle (ORC) and a thermo-electric generator (TEG). The radiator may be coupled to the reciprocating engine, and the ORC may be coupled to the reciprocating engine and to the TEG. A control module in the system is configured to divert reciprocating engine jacket water fluid through any of the radiator, ORC and TEG to increase the energy efficiency of the reciprocating engine through heat recovery caused by the diverted fluid.

An energy harvesting apparatus may include a thermoelectric device, a heat exchanger coupled to the thermoelectric device, a thermal capacitor container, and a thermal capacitor generation device. The thermal capacitor generation device may be configured to generate a thermal capacitor fluid, to be contained in the thermal capacitor container. An electrical energy storage device may be electrically connected to the thermoelectric device, to store electricity generated by the thermoelectric device.

An insulated heat transfer substrate includes a heat transfer layer formed of aluminum or an aluminum alloy, a conductive layer provided on one surface side of the heat transfer layer, and a glass layer formed between the conductive layer and the heat transfer layer, in which the conductive layer is formed of a sintered body of silver, and a thickness of the glass layer is in a range of 5 μm or larger and 50 μm or smaller.