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Terminated in academic year 2022/2023

Refrigeration Systems and Heat Pumps

Type of study Follow-up Master
Language of instruction English
Code 361-0500/05
Abbreviation CHZ_M
Course title Refrigeration Systems and Heat Pumps
Credits 4
Coordinating department Department of Power Engineering
Course coordinator doc. Ing. Mojmír Vrtek, Ph.D.

Subject syllabus

1. Introduction, purpose and importance of refrigeration and heat pump technology, cryogenics. Phase change materials.
2. Methods of achieving low temperatures, the basic theory of refrigeration cycles. Comparative cycles.
3. Steam flow single stage, with the internal heat exchange. Supercritical cycle.
4. Binary mixtures, evaporation, freezing. Heat transfer fluids.
5. Refrigerants - calculation bases. Characteristics of the main types of refrigerants.
6. Two and multistage refrigeration cycles, cascade conection.
7. Gas cycles.
8. Cycles for the liquefaction of gases.
9. Absorption refrigeration cycles - ammonia - water.
10. Absorption refrigeration cycles - water - lithium bromide. Adsorption cycles.
11. The basic elements of refrigeration circuits - compressors, heat exchangers, control, isolation.
12. Heat pumps - types.
13. Connection to heating systems. Proposal for bivalent point and operating mode.
14. Evaluation of the benefits heat pumps in terms of energy, economic and environmental.

Literature

WHITMAN, W. C; JOHNSON, W. M.; TOMCZYCK, J. A. Refrigeration and Air Conditioning Technology. 5E (5th Bk&CD edition). Thomson Delmar Learning, 2004. ISBN 1401837654.
VRTEK, M. Basics of refrigeration and heat pump systems. Study support [online]. Ostrava : VŠB-TUO, 2022. 128 p. Portable Document Format. Available at https://vsb.sharepoint.com/:b:/r/sites/katedra_361/Sdilene%20dokumenty/vyuka/vrt/CHZaTC/AAA_CHZ%26TC_support_EN.pdf?csf=1&web=1&e=DMkCRI. Non-public access, password will be provided by the teacher.
VRTEK, M. Oxygen plants. Study support [online]. Ostrava : VŠB-TUO, 2022. 25 p. Portable Document Format. Available at https://vsb.sharepoint.com/:b:/r/sites/katedra_361/Sdilene%20dokumenty/vyuka/vrt/CHZaTC/AAA_Oxygen_Plants_support_EN.pdf?csf=1&web=1&e=lD85Hv. Non-public access, password will be provided by the teacher.

Advised literature

DOSSAT, R. J.,HORAN, T. J. Principles of refrigeneration. 5th ed. New Jersey: Prentice Hall, 2002. ISBN 0130272701.
Next study materials:
/erasmus/refrig/ - OneDrive of the Department of Power Engineering - non-public access, the password will be provided by the teacher.
/vyuka/vrt/CHZaTC/ - OneDrive of the Department of Power Engineering - non-public access, the password will be provided by the teacher.