Air source heat pumps are an excellent electric alternative to fossil fuel based heating
systems for reducing residential greenhouse gas emissions, but common mild climate …

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 …

Replacing fuel-fired boilers by using efficient heat pump plants to recover industrial waste
heat is an effective solution to achieve the “dual carbon” target. Three novel transcritical CO …

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 …

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 …

In the context of refrigerant replacement and the Chinese international commitments on
carbon emissions reaching peak and carbon neutral, this paper provides an overview of the …

Due to its merit of no consuming energy, no moving part, and less requiring space, and
maintenance, the ejector is one of the most promising hydrogen recirculation devices for …

Subcooling methods for transcritical CO 2 plants are being studied in order to improve their
behavior. Among them, the Integrated Mechanical Subcooling system is one of the most …

Refrigeration systems and heating/air conditioning units used in supermarkets are
responsible for a great part of the annual electricity consumption of industrialized countries …

Europe is encouraging new buildings to minimize their primary energy dependence to be
considered, from 2021, Nearly Zero Energy Buildings (NZEB). In this regard, solar thermal …