The Role of the Compressor Isentropic Efficiency in Non-Intrusive Refrigerant Side Characterization of Transcritical CO<sub>2</sub> Heat Pump Water Heaters

Characterizing the refrigerant side of heat pump water heaters (HPWHs) can be intrusive and expensive. On the other hand, direct external measurement techniques can be unfeasible, particularly in commercial HPWHs for residential applications. Non-intrusive in situ characterization methods have alrea...

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Bibliographic Details
Main Authors: Francisco B. Lamas, Vítor A. F. Costa
Format: Article
Language:English
Published: MDPI AG 2022-08-01
Series:Clean Technologies
Subjects:
Online Access:https://www.mdpi.com/2571-8797/4/3/50