Transcritical R744 refrigeration systems for supermarket applications: Current status and future perspectives
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 …
sector is characterized by an abundant carbon footprint. Being CO 2 (or R744) recognized …
Energy performance evaluation of R1234yf, R1234ze (E), R600a, R290 and R152a as low-GWP R134a alternatives
Abstract In 2014, the Directive 517/2014 was introduced by European Parliament to reduce
the use of high-GWP greenhouse gases in the European area in order to limit global climate …
the use of high-GWP greenhouse gases in the European area in order to limit global climate …
Review on development of air source transcritical CO2 heat pump systems using direct-heated type and recirculating-heated type
Transcritical CO 2 heat pumps have found worldwide applied because of the environmental
friendliness and other thermodynamic advantages, however, the inefficiency of the CO 2 …
friendliness and other thermodynamic advantages, however, the inefficiency of the CO 2 …
Energy improvements of CO2 transcritical refrigeration cycles using dedicated mechanical subcooling
In this work the possibilities of enhancing the energy performance of CO 2 transcritical
refrigeration systems using a dedicated mechanical subcooling cycle are analysed …
refrigeration systems using a dedicated mechanical subcooling cycle are analysed …
Experimental investigation on air-source transcritical CO2 heat pump water heater system at a fixed water inlet temperature
For clarify main affecting factors on air-source transcritical CO2 heat pump water heaters,
and the influence extent of these main affecting factors, at fixed water inlet temperature of …
and the influence extent of these main affecting factors, at fixed water inlet temperature of …
Thermodynamic performance evaluation of transcritical carbon dioxide refrigeration cycle integrated with thermoelectric subcooler and expander
New configurations of transcritical CO 2 refrigeration cycle combined with a thermoelectric
(TE) subcooler and an expander (TES+ EXP HM and TES+ EXP ML) are proposed. The …
(TE) subcooler and an expander (TES+ EXP HM and TES+ EXP ML) are proposed. The …
Applicability evaluation of internal heat exchanger in CO2 transcritical cycle considering compressor operation boundaries
YJ He, YD Tai, N Fakrouche, CL Zhang - Applied Energy, 2023 - Elsevier
CO 2 transcritical cycle has been widely promoted as a green energy utilization technology.
Internal heat exchanger (IHX) is under consideration for cycle efficiency improvement …
Internal heat exchanger (IHX) is under consideration for cycle efficiency improvement …
Experimental evaluation of a R134a/CO2 cascade refrigeration plant
We present the experimental evaluation of a R134a/CO 2 cascade refrigeration plant
designed for low evaporation temperature in commercial refrigeration applications. The test …
designed for low evaporation temperature in commercial refrigeration applications. The test …
Experimental comparison between R152a and R134a working in a refrigeration facility equipped with a hermetic compressor
The EU Regulation 517/2014 has recently been approved in a further attempt to curb the
effects of Global Warming. As a consequence, the refrigeration sector is moving towards …
effects of Global Warming. As a consequence, the refrigeration sector is moving towards …
Theoretical and experimental investigation of a combined R134a and transcritical CO2 heat pump for space heating
In this paper, a novel combined R134a and transcritical CO 2 system was studied
theoretically and experimentally for space heating. Experimental results showed that the …
theoretically and experimentally for space heating. Experimental results showed that the …