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Refrigeration unit with the R718 refrigerant
Krupa, Matyáš ; Tuhovčák, Ján (referee) ; Hejčík, Jiří (advisor)
The diploma thesis deals with the design of a cooling system using the refrigerant R718 (water) with a capacity of 5 kW for building cooling. The thesis is divided into three chapters. The first chapter describes the basic principles of cooling systems, thermodynamic cycles, and refrigerants. The following second chapter provides an analysis of the compressor cycle and its individual components – compressor, heat exchangers, and expansion valve. The final third chapter focuses on the actual design of the cooling system, including thermodynamic calculations and determining the basic geometric parameters of the compressor.

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