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Cruise Ships’ CO2 System Can Leverage Thermal Storage to Improve AC Efficiency, Study Finds
The proposed AC system boasts a COP of up to 5.99, with a refrigeration COP up to 3.54, says a Norwegian researcher.
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CO2-Linked Cold Energy Storage for AC Would Cut Power Up to 19% in Supermarkets, Says Norwegian Researcher
SINTEF researcher proposes replacing glycol circuit with water/ice cold thermal energy storage, combined with transcritical CO2 refrigeration.
EU Heat Pump Project Improves Efficiency of Novel Water-to-Water Heat Pump
The TRI-HP Project finds CO2-ice heat pump perfoms with higher COP at lower compressor speed.
CERN Proposes Using Krypton-CO2 Cascade Refrigeration Unit for Ultra-Low Temperatures in Particle Accelerators
Particle sensors require temperatures of -60C to -80C.
CO2 Transport Unit Found to Have 26.2% Lower Carbon Footprint than R134a Unit
Italian researchers determine that R744 unit outperformed the R134a unit during the hottest months of the year .
Study Finds ‘Novel’ Transcritical CO2 Ejector System Outperforms Conventional CO2 System Up to 82.5% in Hot Climate
The proposed system uses a multi-ejector, parallel compression and mechanical subcooling.
Danfoss Introduces a New Algorithm for Enhanced Control of Ejectors and High-Pressure Valves in a CO2 Industrial System
The algorithm is designed to deliver enhanced efficiency and performance
Mayekawa Develops a Desiccant Dehumidifier That Uses a CO2 Heat Pump
The system is designed to provide dehumidification in low-temperature environments without the risk of freezing
Scientist Calls for Use of Natural Refrigerants in Ice Slurry Systems on Fishing Vessels
There are few ice slurry systems that utilize ammonia or CO2, says SINTEF scientist Widell.
CO2 Heat Pumps Found to Offer High Efficiency at Low Ambient Temperature in Electric Vehicles
Their efficiency comes from increased suction vapor density, which is a significant advantage in colder climates, says NTNU researcher