What is dynamic ice storage system?
Another category is dynamic ice storage system, in which the ice is periodically generated in a refrigeration device and transferred to an independent storage tank. The previously stored energy is retrieved by recharging the storage tank with water flowing through ice to provide chilled water to the system during normal operations .
What is the energy balance of dynamic ice storage systems?
While the energy balance primarily focuses on the active charging and discharging phases of the dynamic ice storage system, potential standing losses (e.g., thermal dissipation and idling losses) were not explicitly measured or modeled due to data limitations.
Is dynamic ice storage more energy-efficient than traditional cooling systems?
The proposed system was implemented in a high-rise office building in southern China and analyzed through energy, environmental, and economic perspective. On-site measurements demonstrate that the dynamic ice storage system is significantly more energy-efficient and has lower carbon emissions than traditional cooling systems.
What is the cost-saving rate of dynamic ice storage system?
Compared with the regular cooling system with the same cooling capacity (9 843 kWh), the cost-saving rate of this ice storage system is 52.0 %, showing a remarkable economic effect. The equivalent cooling coefficient of performance (COP e) of the dynamic ice storage system is 9.07.
What is the difference between static ice coil and dynamic ice storage?
By contrast, the proposed dynamic ice storage system uses a plate heat exchanger with a significant higher heat transfer coefficient of 3 000–5 000 W/m2 k , which is approximately 4 times greater than that of static ice coil.
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