italian version

Aims :

The aim of this module is to improve the knowledge of reverse thermodynamic cycles used in applications at temperatures below ambient and to provide the student with the competence to design refrigerating systems and plants.

Topics :

VAPOUR COMPRESSION REFRIGERATING CYCLE. Basics of reverse cycles. The vapour compression complete cycle. Exergetic analysis of the single components and of the whole system. Lubrication. Design of connecting lines. Refrigerating capacity modulation.
ABSORPTION CYCLE. Water/ammonia systems and lithium-bromide/water systems.
COLD CHAIN. Transient heat conduction. Freezing time assessment.
SYSTEM DESIGN. Example of design of a refrigerating system applied to the conservation of foodstuffs.


Textbooks :

Lecture notes (available at photocopies desk and on-line).
Cavallini, L. Mattarolo, Termodinamica applicata, CLEUP, Padova, 1992;
W.F. Stoecker, Industrial Refrigeration Handbook, McGraw-Hill, New York, 1998.

Exam :

Oral examination.

Tutorial Session :

In the hour following classes or by appointment.