THERMAL SCIENCE

International Scientific Journal

Siqi Cui

,

Shuwei Geng

,

Jing Bai

,

Yi Zhang

,

Size Guan

,

Hanfei Yang

HIGH TEMPERATURE CASCADE HEAT PUMP SYSTEM WITH DOUBLE MEDIUM AND LOW TEMPERATURE HEAT SOURCES

ABSTRACT
In response to the call for carbon neutrality and control of CO2 emission, this paper proposes a high temperature cascade heat pump system with double medium and low temperature heat sources. Compared with those with a single heat source, the new system has obvious advantages in energy saving and carbon emission. An experiment is designed where the temperature of medium temperature heat source keeps unchanged, revealing that, compared with a single low temperature heat source, the heating capacity of low temperature heat source reduces by 2.9%, the heating capacity of medium temperature heat source increases by 31.1%, the total power consumption of the heat pump increases by 3%, and the heating capacity of the heat pump increases by 4.3%.
KEYWORDS
high temperature heat pump, cascade, low temperature heat source, medium temperature heat source
PAPER SUBMITTED: 2021-08-23
PAPER REVISED: 2022-07-10
PAPER ACCEPTED: 2022-07-21
PUBLISHED ONLINE: 2023-06-11
DOI REFERENCE: https://doi.org/10.2298/TSCI2303835C
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 3, PAGES [1835 - 1843]
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High temperature cascade heat pump system with double medium and low temperature heat sources

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence