On the unification of thermoeconomic theories

Abstract:

This paper achieves the unification of the thermoeconomic theory of systems optimization (Evans et al. 1965, 1980) and the theory of exergetic cost for exergy cost-accounting of thermal systems (Valero et al. 1986). Not only does this create a single body of doctrine, but each theory is cross-fertilized with concepts from the other. Thus, we can now combine the mathematical logic and objectivity of thermoeconomic optimization with the clarity of ideas regarding the cost formation process which exergy cost-accounting provides. To achieve this, Symbolic Exergoeconomics in the flows space is developed, which uses symbolic computation to get analytical forms of relationships between the exergy of each and every one of the flows on one hand and the plant's input resources, the efficiencies of all the subsystems and the bifurcation exergy ratios on the other. These variables are found to be the natural variables for thermal system optimization.

Año de publicación:

1989

Keywords:

Fuente:

scopus