As a highly efficient thermodynamic cycle formed by pure natural fluid and using
aerothermal energy, transcritical CO 2 technology has huge advantages in terms of energy …

Visible signs of climate change call for urgent actions on food retail industry, since such a
sector is characterized by an abundant carbon footprint. Being CO 2 (or R744) recognized …

CO 2 subcooling has resulted a method to upgrade the performance of CO 2 refrigeration
plants in the recent years, with overall improvements up to 12% with internal heat …

Using carbon dioxide as a refrigerant gains importance as a result of restrictions applied to
high-GWP (Global Warming Potential) refrigerants. Although CO 2 is an environment …

The refrigeration systems with CO 2 seem to be attractive choices for the design of
refrigeration systems with small environmental impact. The objective of this work is the …

The ever-stricter regulations put into effect worldwide to significantly decrease the
considerable carbon footprint of commercial refrigeration sector have forced the transition to …

The adoption of the EU F-Gas Regulation 517/2014 and the resulting development of the
multi-ejector concept have led carbon dioxide to take center stage as the sole refrigerant …

Supermarket is the main carbon producer due to the requirement of food refrigeration and
freezing. In order to realize cleaner production, three configurations of carbon dioxide …

Hydrofluorocarbons (HFCs) are synthetically produced compounds primarily used for
cooling purposes and with strong global warming properties. In this paper, we analyze the …

Energy improvements offered by dedicated and integrated mechanical subcooling systems
in CO 2 booster systems for supermarket applications are analyzed here through the use of …