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 …

Ejector-equipped vapor-compression systems for refrigeration and cooling, relying solely on
CO 2 (R744) as a natural working fluid, are perceived to be an eco-friendly and highly …

The field of refrigeration witness a massive transition in the supermarket with a strong focus
reflected on energy consumption. The use of ejector allows for overcoming the significant …

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 …

Optimal operation and design of ejectors are the subject of recent concerns, especially for
the enhancement of refrigeration and heat pump cycles based on natural refrigerants like …

This study of the thermodynamic performance of a transcritical CO 2 ejector heat pump cycle
presents a numerical analysis under the constraint of constant total heat transfer area. An …

In the context of the global economy, the burgeoning energy resource scarcity necessitates
a rigorous examination of energy redistribution, market uncertainties, and the escalating …

Ejector refrigeration systems (ERSs) operating with carbon dioxide are notoriously
challenging from both design and operation perspectives. In particular, the ejector itself …

A carbon dioxide based transcritical air conditioning system integrated with an ejector is
thermodynamically modeled and the system is simulated for different ambient conditions …

In this study, the exergy analysis of a CO2 (R744) two-phase ejector was performed using a
1D model for both single and double choking conditions. The impact of the back pressure on …