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Стартап
DateDate: 1-12-2019, 07:30

Physicists at the University of Illinois today unveiled a unique new technology for heat flux switches, which until now has only been contained primarily on paper and in the minds of researchers, due to the many practical problems of its practical design. An article with this technology has already been published in the scientific journal Applies Physics Letters, where development experts explained how they managed to create a full-fledged thermal switch of the heat flow, while not only not upsetting the balance inside the device, but also efficiently and timely transmitting the flow as desired operator user.
Switches in general are an extremely common technical element in our daily lives - with the help of mechanical switches, for example, we can open and close the doors of cars, and with the help of electric ones turn on and turn off the electricity. However, the practical creation of a heat flux switch is a rather problematic task, since it is necessary to find a way to “destroy” the connection between the hot region and the cold region within the framework of such a switch.
And Illinois experts found one, using drops of liquid metal as a bond-breaking barrier. Liquid metal is used in the context of the so-called heat path, which has also become part of the development - it represents the direction of the heat flow to the switches, which is activated and deactivated with the help of liquid metal.
Successful experiments with such a prototype of the heat flux switch have led scientists to the idea that it is necessary to try to further improve and stabilize the manual switching of the heat flux. To this end, they used a system model of the switch, on the one side of which they placed a mini heat center, and on the other, a center of cold flow. By deactivating the mid-direction of the heat flux and liquid metal, they were able to successfully cool and heat the device, depending on the initial operator’s command. Such a method can be truly revolutionary!





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