Paper presented at the 9th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Malta, 16-18 July, 2012.
This paper is focused on a small power refrigeration cycle
demonstration unit to be used at different operating conditions
and in various fields of study. The refrigeration unit is planned
to be used principally for two different kinds of studies:
thermodynamic analyses of the refrigeration system
performance at different evaporation and condensation
temperatures; and determination of the heat transfer coefficients
during the condensation and evaporation processes.
In order to design and select its different components, a
detailed simulation model was developed. The model takes into
account specific data, characteristics and dimensions of the
In the paper, the main components of the refrigeration unit
are described, the mathematical simulation model is detailed
and the main results of the simulation model are presented and