CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.
Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .
Resultados aprovechables
This project aims to determine limits on the efficiencies of thermodynamic systems with dissipation. Such systems include heat engines, refrigerators/coolers, gas and liquid separation, chemical reactions, and electrochemical processes. The dissipative terms may be heat resistance, heat leak, friction, heat and mass transfer coefficients, chemical reaction rates, unreacted remnants, vaporization rates, etc. These limits on the thermodynamic efficiencies for irreversible processes are generalizations of the well-known Carnot efficiency for reversible processes, i.e. for processes of either infinite duration or infinitesimal rate of operation. The derived limits permit generalization of the concept of exergy to irreversible systems and estimation of the impact of such systems on the environment. At present a large number of researchers work in this field of finite-time thermodynamics. Most of the limits derived for irreversible systems have been obtained by the use of optimal control theory and of thermodynamic metric. It has been shown that the use of average optimisation, while drastically reducing the computational burden, is still adequate for many thermodynamic systems. The research uses modern methods of optimal control and new computer optimisation algorithms. Questions addressed are: conditions for the optimal operation of irreversible processes; optimal operation of heat and mass transfer processes and of separation processes with given overall flow rate; estimation of the ecological impact of thermodynamic processes with given intensity; and a generalized concept of exergy for irreversible systems.
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