Prof. Bart Cleuren (Hasselt University)
We consider the performance characteristics of thermal engines. Efficiency at maximum power is discussed in a general setting. In particular, it is demonstrated how successive symmetries placed upon the dynamics manifest themselves at the macroscopic level. A general condition is derived under which thermodynamic devices are able to attain a reversible operation. Second, we derive general relations between maximum power, maximum efficiency, and minimum dissipation regimes from linear irreversible thermodynamics.