The use of synthetic refrigerants is strongly restricted worldwide to combat the double threat
of ozone layer depletion (ODP) and global warming (GWP). Carbon dioxide (CO 2), as a …

Heat is involved in many processes in the food industry: drying, dissolving, centrifugation,
extraction, cleaning, washing, and cooling. Heat generation encompasses nearly all …

A new position of an internal heat exchanger within the thermodynamic cycle is proposed to
improve the performance of CO 2 refrigeration systems in warm climates, specifically in …

This study introduces an improved methodology to evaluate with accuracy the performance
of a conventional system with R404A and a Booster system with R744. Reciprocating and …

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 …

This study explores the integration of parallel compression and a two-phase ejector in
transcritical CO 2 refrigeration systems, aiming to improve efficiency and performance. This …

Cascade refrigeration systems (CRSs) have become the priority choice in low-temperature
applications, causing severe energy waste due to the lack of practical control strategies …

Despite the extensive use of CO 2 in food retail refrigeration units, it has never been
implemented, tested or simulated in Cuba. This work aims to evaluate by simulation a …

CO 2 refrigeration systems operate in both subcritical and transcritical modes throughout a
year. Different control strategies have been developed under different operation modes …

Supermarket refrigeration systems adopting traditional refrigerants with high global warming
potential (GWP) have impacts on global warming for indirect and direct greenhouse gases …