Seebeck effect (SSE)4 may overcome these limits3,5,6, thanks to a spin-current-mediated conversion from thermal flux into thermovoltage; a phenomenon which is part of the research field of spin-caloritronics7,8, which studies the interactions between spin and heat currents in magnetic materials...
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The two assemblies have a mass ratio multiplied by the specific heat divided by the surface area exposed to the heat flux less than the same corresponding ratio to the parts to be treated and have a near-zero emissivity for one (3) and close to one for the other (1).FRANCIS BOURRIERES...
Ch-LC droplets in the presence of an isotropic phase subjected to a heat flux rotate with a speed proportional to the magnitude of the temperature gradient. We further quantified the temperature gradient-to-torque conversion efficiency to apply the thermomechanical cross-correlation to the detection ...
The evaporation duration of droplet on a flat surface decreases first, then increases and then decreases with the change of the heat flux, corresponding to four different stages, among which the film boiling generated after reaching the Leidenfrost point is particularly displayed (Fig. 9a) (...
When an alternating magnetic field was applied, the nanozyme induced a local increase in temperature, and the conversion of Fe(III) to Fe(II) increased from 1.21 % to 3.38 % after increasing the temperature from 25 to 42 °C, while increasing the degree of conversion of H2O2 to •OH ...
The NIS probe junctions (vertical aluminum leads connected through an oxide barrier to the AuPd normal metal) are responsible to heat/cool and monitor the electronic temperature of the normal metals. b Schematic illustration of the thermal model of the device shown in (a). The SQUID in the ...
Active heat flow control is essential for broad applications of heating, cooling, and energy conversion. Like electronic devices developed for the control of electric power, it is very desirable to develop advanced all-thermal solid-state devices that actively control heat flow without consuming other...
These numbers are similar to statistics for the previous Figure. Time-varying heat generation is often encountered in energy conversion systems. To evaluate the accuracy of this technique in such conditions, a set of experiments are carried out with a time-varying heat generation rate in the ...
heat removal in the secondary coolant system. The reactivity was estimated from the control rod worth curve after the core temperature was increased.Fig. 4.14shows the results of theisothermaltemperature coefficient measured up to 20MW. Although theabsolute valuesof the temperature coefficient decrease ...