CALCULATION OF OPERATING PARAMETERS OF A TWO-STAGE CO₂ HEAT PUMP FOR BUILDING HEATING SYSTEMS

• Datum: 2026
• Hauptverfasser: Basok , B., Zurian , O., Dubovskyi , S., Krukovskyi , H., Skliarenko, D., Pastushenko , E., Imran , M.
• Format: Artikel
• Sprache: Ukrainisch
• Veröffentlicht: Institute of Renewable Energy National Academy of Sciences of Ukraine 2026
• Schlagworte: Renewable energy; heat pump; cascade heat pump system; two-stage heat pump; building heating system; refrigerant; computer simulation; Flownex SE; coefficient of performance.
• Online Zugang: https://ve.org.ua/index.php/journal/article/view/642
• Назва журналу: Vidnovluvana energetika

The paper investigates the operating parameters of a two-stage, dual-circuit air-to-water heat pump system intended for heating an administrative building. The first circuit of the system uses refrigerant R744 (CO₂), while the second circuit operates with refrigerant R513a. The aim of the study is t...