Thermodynamic Limits in Applications of Energy of Solar Radiation

Abstract

This work analyzes contemporary trends in thermodynamics of energy generators, heat pumps, separators, and other practical devices that are driven by thermal and solar energy. We focus on applications in which the optimal control theory plays an essential role. We consider devices of engine type (generators) and of heat pump or separator type (consumers), each driven either by radiative heat or by exchanged energy or mass. We outline difficulties in defining energy limits for transformation or consumption of solar energy. We also stress their links with classical problem of maximum work and exergy analysis of thermal systems.

Keywords:

• Heat pumps
• Minimum work
• Second law
• Solar energy
• Thermodynamic limits

ACKNOWLEDGEMENTS

This research was supported by the KBN grant 3 T09C 024 26.