Transcritical R744 refrigeration systems for supermarket applications: Current status and future perspectives
P Gullo, A Hafner, K Banasiak - International Journal of Refrigeration, 2018 - Elsevier
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 …
Review of carbon dioxide (CO2) based heating and cooling technologies: Past, present, and future outlook
Refrigerants bearing high global warming potential (GWP) and ozone depletion potential
(ODP) were outlawed or facing time‐beared permission under the Montreal (1987), Kyoto …
(ODP) were outlawed or facing time‐beared permission under the Montreal (1987), Kyoto …
State-of-the-art integrated CO2 refrigeration system for supermarkets: A comparative analysis
M Karampour, S Sawalha - International journal of refrigeration, 2018 - Elsevier
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 …
booster systems. The main objective is to identify the most promising solutions in terms of …
Multi-ejector R744 booster refrigerating plant and air conditioning system integration–A theoretical evaluation of energy benefits for supermarket applications
P Gullo, A Hafner, G Cortella - international journal of refrigeration, 2017 - Elsevier
The multi-ejector rack is the most promising technology to push the so-called “CO 2 equator”
further south and improve the global energy efficiency of R744 supermarket refrigeration …
further south and improve the global energy efficiency of R744 supermarket refrigeration …
Crossing CO2 equator with the aid of multi-ejector concept: A comprehensive energy and environmental comparative study
The ever-stricter regulations put into effect worldwide to significantly decrease the
considerable carbon footprint of commercial refrigeration sector have forced the transition to …
considerable carbon footprint of commercial refrigeration sector have forced the transition to …
Energy and environmental investigation of R744 all-in-one configurations for refrigeration and heating/air conditioning needs of a supermarket
D Tsimpoukis, E Syngounas, D Petsanas… - Journal of Cleaner …, 2021 - Elsevier
Refrigeration systems and heating/air conditioning units used in supermarkets are
responsible for a great part of the annual electricity consumption of industrialized countries …
responsible for a great part of the annual electricity consumption of industrialized countries …
Energy efficiency evaluation of integrated CO2 trans-critical system in supermarkets: A field measurements and modelling analysis
M Karampour, S Sawalha - International journal of refrigeration, 2017 - Elsevier
This paper investigates energy efficiency of an integrated CO 2 trans-critical booster system
installed in a supermarket in Sweden. The supermarket has applied several features to …
installed in a supermarket in Sweden. The supermarket has applied several features to …
Innovative fully integrated transcritical R744 refrigeration systems for a HFC-free future of supermarkets in warm and hot climates
P Gullo - International Journal of Refrigeration, 2019 - Elsevier
The regulatory pressures on environmentally deleterious refrigerants have been growing
more intense, prompting CO 2 to draw ever-widening attraction as the sole working fluid …
more intense, prompting CO 2 to draw ever-widening attraction as the sole working fluid …
R744 booster integrated system for full heating supply to supermarkets
P D'Agaro, G Cortella, A Polzot - International Journal of Refrigeration, 2018 - Elsevier
In warm climates carbon dioxide (R744) refrigeration systems are known to perform worse
because of the transcritical operation which occurs for a large part of the year, increasing …
because of the transcritical operation which occurs for a large part of the year, increasing …
Thermodynamic, environmental, and exergoeconomic analysis of multi-ejector expansion transcritical CO2 supermarket refrigeration cycles in different climate regions …
O Caliskan, NB Sag, HK Ersoy - International Journal of Refrigeration, 2024 - Elsevier
Restrictions on high-GWP refrigerants have made the use of transcritical CO 2 refrigeration
systems widespread. Using transcritical booster refrigeration cycle in warm climates is …
systems widespread. Using transcritical booster refrigeration cycle in warm climates is …