Introduction.

Characteristics of refrigeration systems: compression systems, absorption systems, expansion systems, thermo-electric systems, analogy of the above systems.

Compressors: function, types and models, thermodynamics, pistoncompressors, screwcompressors, other rotating compressors, centrifugal compressors, simulation models, selection criteria.

Condensers: function, types and models, heat transfer (general), heat transfer with condensation of pure gas, condensation in presence of other gases, special types of surfaces, heat transfer at the cooling water side, air cooled condensers, plate-fin condensers, economical optimization.

Expansion devices: function, types and models, dynamics of the thermostatic expansion valve, models, selection criteria.

Evaporators: function, types and models, heat transfer, aircoolers, combined heat- and mass transfer at the air-side of the aircooler, heat transfer between two-phase flow of refrigerant and internal evaporator surface.

Absorbers: function, types and models, physical transport phenomena in liquid films, heat and mass transfer in a liquid film, mass transfer in a liquid film, vertical pipe bubble absorber.

Generators: function, types and models, heat and mass transfer.

Total compression refrigeration system: introduction, graphical methods, analytical methods, connection of models, dynamic behaviour.