
‘Hybrid Ejector’ Found to Boost Efficiency of Transcritical CO2 Refrigeration by Up to 42%
New study found ejector system outperformed a conventional booster system across all ambient conditions
New study found ejector system outperformed a conventional booster system across all ambient conditions
The EU funded MultiPACK project tested Integrated CO2 heat pump systems in two Italian hotels and found COP values up to 6, depending on the ambient temperatures
The conference, taking place in Trondheim, Norway, on June 13–15, will include sessions on CO2, ammonia, hydrocarbons, water and air.
GEA has been studying integrating high-temperature CO2 heat pumps with conventional heaters to preheat the process air of spray-drying systems since 2019.
The Annex 58 high-temperature heat pump project has reviewed systems supplying temperatures over 100°C and found refrigerants like CO2, water, hydrocarbons, helium and ammonia being used.
The four-year research project will study how to utilize surplus cold and heat and leverage thermal energy storage to reduce food industry emissions.
The third high-temperature heat pump symposium will include presentations, panels and site visits, in Copenhagen on March 29-30.
The chiller system for Haukeland University Hospital was designed by Danish OEM Advansor for extremely small space.
MKK will “borrow” compressor expert Schlemminger to work on its high-ambient-temperature systems.
The EU-funded MultiPACK project is testing the performance of cooling/heating CO2 solutions in supermarkets and other buildings.