Thermodynamic analyses and performance improvement on a novel cascade-coupling-heating heat pump system for high efficiency hot water production
Y Xu, J Wang, X Shen, Z Sun, X Wang, X Han - Energy Conversion and …, 2023 - Elsevier
In the background of global warming and reducing carbon emission, air-source heat pump
water heater is used as an energy efficient technology to improve the efficiency of building …
water heater is used as an energy efficient technology to improve the efficiency of building …
Life cycle performance evaluation of cascade-heating high temperature heat pump system for waste heat utilization: Energy consumption, emissions and financial …
Inspired by the principle of cascade energy utilization, the concept of cascade-heating is
introduced, and five layouts of cascade-heating high temperature heat pump (HTHP) …
introduced, and five layouts of cascade-heating high temperature heat pump (HTHP) …
A newly designed air-source heat pump system with liquid subcooling defrosting: Simulation and experiment
J Niu, Z Liang, T Lv, H Wang, S Xu - Applied Thermal Engineering, 2024 - Elsevier
A new type of air-source heat pump system with liquid subcooling defrosting (ASHPSD) was
proposed, in which a hot liquid refrigerant is used for defrosting; further, the outdoor unit of …
proposed, in which a hot liquid refrigerant is used for defrosting; further, the outdoor unit of …
Experimental investigation of heating performance of air source heat pump with stable heating capacity during defrosting
Traditional air source heat pumps with reverse defrosting and hot gas bypass defrosting
methods significantly decrease the heating capacity and even extract heat from the user …
methods significantly decrease the heating capacity and even extract heat from the user …
[HTML][HTML] New zeotropic CO2-based refrigerant mixtures for cascade high-temperature heat pump to reach heat sink temperature up to 180° C
P Ganesan, TM Eikevik - Energy Conversion and Management: X, 2023 - Elsevier
There is a great demand for clean, high-temperature heating in industries. The present work
demonstrates the modeling and analysis of a high-temperature heat pump (HTHP) using a …
demonstrates the modeling and analysis of a high-temperature heat pump (HTHP) using a …
[HTML][HTML] Thermodynamic evaluation of CO2 for ultra-low temperature refrigeration
CM Udroiu, A Mota-Babiloni, P Giménez-Prades… - Energy Conversion and …, 2023 - Elsevier
Abstract Carbon dioxide (CO 2, R744) is the only refrigerant in the safest class by the
ASHRAE 34 Standard in the group of natural refrigerants, with zero ozone depletion …
ASHRAE 34 Standard in the group of natural refrigerants, with zero ozone depletion …
A data-driven evaluating method on the defrosting effect of the air source heat pump system in Beijing
The current demand-based defrosting initiation strategies of air source heat pumps (ASHPs)
faces difficulty in achieving a balance between cost and robustness. Therefore, an efficient …
faces difficulty in achieving a balance between cost and robustness. Therefore, an efficient …
Experimental and theoretical assessments on the systematic performance of a single-stage air-source heat pump using ternary mixture in cold regions
J Luo, K Yang, Y Liu, Z Zhao, G Chen… - Applied Thermal …, 2023 - Elsevier
The performance of air-source heat pump is strongly influenced by ambient temperature
variation. Improving its stability and efficiency during wintertime is important for promoting its …
variation. Improving its stability and efficiency during wintertime is important for promoting its …
Performance evaluation of a novel mixed-refrigerant recuperative heat pump with a large temperature lift for space heating
S Sun, Z Liu, Y Sun, H Guo, M Gong - Applied Thermal Engineering, 2023 - Elsevier
The conventional techniques for space heating consume great energy and cause great CO
2 emissions, which is not meet the requirement of sustainable development. Heat pumps are …
2 emissions, which is not meet the requirement of sustainable development. Heat pumps are …
Distributed multienergy and low-carbon heating technology for rural areas in northern China
H Qi, J Zhou, T Ren, S Sun, Z He, Z Sun, S Dong… - Energy, 2024 - Elsevier
In the context of China's “double carbon” policy and “rural revitalization” strategy, clean and
low-carbon heating in rural areas of the northern China has become a key problem that …
low-carbon heating in rural areas of the northern China has become a key problem that …