Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Heat devices in nonlinear irreversible thermodynamics   We present results obtained by using nonlinear irreversible models for heat
devices. In particular, we focus on the global performance characteristics, the
maximum efficiency and the efficiency at maximum power regimes for heat
engines, and the maximum coefficient of performance (COP) and the COP at
maximum cooling power regimes for refrigerators. We analyze the key role played
by the interplay between irreversibilities coming from heat leaks and internal
dissipations. We also discuss the relationship between these results and those
obtained by different models.

17
The categories of this paper are: q-fin
2
The categories of this paper are: math
8
The categories of this paper are: hep-ex
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
16
The categories of this paper are: stat
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
36
The categories of this paper are: cmp-lg