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

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...

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Bibliographic Details
Date:2026
Main Authors: Basok , B., Zurian , O., Dubovskyi , S., Krukovskyi , H., Skliarenko, D., Pastushenko , E., Imran , M.
Format: Article
Language:Ukrainian
Published: Institute of Renewable Energy National Academy of Sciences of Ukraine 2026
Subjects:
Renewable energy
heat pump
cascade heat pump system
two-stage heat pump
building heating system
refrigerant
computer simulation
Flownex SE
coefficient of performance.
Online Access:https://ve.org.ua/index.php/journal/article/view/642
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Journal Title:Vidnovluvana energetika
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Vidnovluvana energetika

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https://ve.org.ua/index.php/journal/article/view/642

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