Abstract
Radiant cooling systems have good application prospects. A variety of composite radiative cooling systems have been proposed to save energy, but few studies have focused on comparing the performance of different radiant floor cooling systems. This study compares the cooling performance operating conditions of a floor radiant system with direct ground cooling and conventional radiant cooling systems. In addition to the comfort conditions required by the standard, Jinan, Shandong also studied the low risk of condensation on the floor surface. At the same time, the energy consumption of different radiative cooling systems is compared and the potential of the system is analyzed. Preliminary results found a 26% reduction in energy consumption for system operation compared to conventional radiant cooling systems. Although the radiant floor system using the ground direct cooling system does not reduce energy consumption when the water tank is turned on for energy storage at night, the electricity cost is reduced due to the peak and valley electricity price at night. The research will provide architects and engineers with more efficient and energy-efficient technologies that reduce carbon emission.
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