In this paper we determine the physical conditions ensuring that the efficiency of a thermoelectric nanowire with two temperatures is optimal. We consider the case in which the entropy for unitary volume depends on the equilibrium variables only, and the case in which such a quantity depends on the dissipative fluxes, too. We prove that in these two different situations the conditions of optimal efficiency are different.
Minimal entropy production and efficiency of energy conversion in nonlinear thermoelectric systems with two temperatures
Cimmelli, V. A.Membro del Collaboration Group
2017-01-01
Abstract
In this paper we determine the physical conditions ensuring that the efficiency of a thermoelectric nanowire with two temperatures is optimal. We consider the case in which the entropy for unitary volume depends on the equilibrium variables only, and the case in which such a quantity depends on the dissipative fluxes, too. We prove that in these two different situations the conditions of optimal efficiency are different.File in questo prodotto:
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Revised_Rogolino_Sellitto_Cimmelli_Two-temp_efficiency .pdf
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