Evaluation of transcritical CO2 heat pump system integrated with mechanical subcooling by utilizing energy, exergy and economic methodologies for residential …

B Dai, H Qi, S Liu, M Ma, Z Zhong, H Li, M Song… - Energy conversion and …, 2019 - Elsevier
A transcritical CO 2 heat pump (HP) system for residential space heating integrated with
direct dedicated mechanical subcooling (DMS) is proposed, and mathematical models are …

[HTML][HTML] Conventional and advanced exergy analyses of transcritical CO2 ejector refrigeration system equipped with thermoelectric subcooler

X Liu, K Yu, X Wan, M Zheng, X Li - Energy Reports, 2021 - Elsevier
This paper assesses the exergetic performance inside transcritical CO 2 ejector refrigeration
system integrated with thermoelectric subcooler (EJE+ TES) through conventional and …

Energetic, exergetic and exergoeconomic assessment of transcritical CO2 reversible system combined with dedicated mechanical subcooling (DMS) for residential …

B Dai, X Zhao, S Liu, Q Yang, D Zhong, Y Hao… - Energy Conversion and …, 2020 - Elsevier
A transcritical CO 2 reversible heat pump-air conditioning system combined with dedicated
mechanical subcooling (DMS) is proposed as an annual heating and cooling solution. A …

Performance analysis of two-stage compression transcritical CO2 refrigeration system with R290 mechanical subcooling unit

S Liu, F Lu, B Dai, V Nian, H Li, H Qi, J Li - Energy, 2019 - Elsevier
The use of carbon dioxide (CO 2) as refrigerant is driven by the need to phase down the
traditional synthetic refrigerant so as to mitigate the warming climate. In this study, the …

Thermodynamic study of carbon dioxide transcritical refrigeration cycle with dedicated subcooling and cascade recooling

C Huang, Z Li, Z Ye, R Wang - International Journal of Refrigeration, 2022 - Elsevier
Stimulated by the fast development of cold chain commodity market and a large amount of
demand in cold storages, the application of CO 2 refrigeration system is to enhance …

Impact and quantification of various individual thermodynamic improvements for transcritical R744 supermarket refrigeration systems based on advanced exergy …

P Gullo - Energy Conversion and Management, 2021 - Elsevier
Climate change mitigation actions have led transcritical R744 refrigeration systems to take
center stage in supermarket applications worldwide. Various measures aimed at making …

[HTML][HTML] Performance evaluation of CO2 supermarket refrigeration system with multi-ejector and dedicated mechanical subcooling

X Liu, K Yu, X Wan, X Li - Energy Reports, 2021 - Elsevier
In this paper, a CO 2 supermarket refrigeration system using multi-ejector and dedicated
mechanical subcooling (MEJ+ DMS) is proposed to solve the problem of low performance of …

Energy and advanced exergoeconomic analysis of a novel ejector-based CO2 refrigeration system and its optimization for supermarket application in warm climates

A Sengupta, MS Dasgupta - Thermal Science and Engineering Progress, 2023 - Elsevier
Supermarkets' high refrigeration and air-conditioning energy use increases their carbon
footprint. Thus, this sector must be encouraged to innovate to increase efficiency, reduce …

Energetic, economic, and environmental analysis of CO2 booster refrigeration systems of supermarket application for Türkiye

M Isik, N Bilir Sag - Sādhanā, 2023 - Springer
Refrigeration systems account for nearly half of the electricity consumed by supermarkets. In
order to save energy and reduce CO2 emissions, CO2 booster refrigeration systems have …

Performance analysis and exergoeconomic evaluation of a TRC system enhanced by a dedicated mechanical subcooling

AZ Miran, A Nemati, M Yari - Energy conversion and Management, 2019 - Elsevier
In the present study, a transcritical refrigeration cycle's performance with dedicated
mechanical subcooling (MS) is investigated from the energy, exergy and exergoeconomic …