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 …

The increasing need for thermal comfort has led to a rapid increase in the use of cooling
systems and, consequently, electricity demand for air-conditioning systems in buildings …

Previous reviews on ejectors for expansion work recovery have provided detailed
discussions of operating characteristics and control of ejector cycles, zero-dimensional …

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 …

This paper investigates the integrated and state-of-the art features of CO 2 trans-critical
booster systems. The main objective is to identify the most promising solutions in terms of …

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 useful knowledge of ejector working principles and the versatility and
diversity of its applications in refrigeration technologies. Various ejector refrigeration …

The use of high temperature heat pumps (HTHPs) operating with natural fluids has been
shown to be a potential environmentally friendly solution to increase energy efficiency in …

The use of an expansion energy recovery ejector has been given great concern owing to
virtues of no moving elements, cost-effectiveness, high reliability and comparable efficiency …

This paper comprehensively reviews the recent studies on advanced vapor compression
cycle technologies. These technologies are categorized in three groups: subcooling cycles …