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 presents recent developments and state of the art for transcritical CO2 cycle
technology in various refrigeration, air-conditioning and heat pump applications. The focus …

Carbon dioxide is a safe, economic and environmentally sustainable refrigerant which can
be used in heat pump and refrigeration systems. Research into the performance and …

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 …

Vapor compression heat pumps are drawing more attention in energy saving applications.
Microchannel heat exchangers can provide higher performance via less core volume and …

This paper contains a review of the latest research activities toward transcritical CO2 cycle
technology as a replacement for the fluorocarbon-based vapor-compression technology for …

Globally, most fishing vessels still use the ozone-depleting and climate-harmful R-22 in their
freezing and refrigerated seawater (RSW) systems. However, in some regions, the natural …

A micro-channel separate heat pipe (MCSHP) as a cooling device for telecommunication
stations (TSs) was experimentally investigated in this work. A steady-state mathematical …

Because of the global warming impact of HFCs, the use of natural refrigerants has received
worldwide attention. Efficient use of refrigerants is of pressing concern to the present …

The energy consumption during the start-up and cabin pull-down operation of an air-
conditioning system (A/C) for electric cars was studied in this work. An entire system model …