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 …

With carbon emission levels on the rise, rapid and far-reaching action is needed to
counteract global warming. Among many available strategies, CO 2 is nowadays more and …

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 …

This paper presents a theoretical comparison among different commercial refrigeration
systems in terms of annual energy consumption and environmental impact. Eight …

Mechanical subcooling systems, both dedicated and integrated, have attracted lot of
attention in the recent years due to their great potential to improve transcritical CO 2 …

New energy transportation is an important link for the future development of global energy
industry, while higher and more precise requirements for the new energy vehicles' air …

Heat pump (HP) is one of the most energy efficient tools for address heating and possibly
cooling needs in buildings. Growing environmental concerns over conventional HP …

The multi-ejector rack is the most promising technology to push the so-called “CO 2 equator”
further south and improve the global energy efficiency of R744 supermarket refrigeration …

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 …

A test facility for the experimental investigation of the R744 vapour compression rack
equipped with a multi-ejector expansion work recovery module was designed and …