Handao energy storage floor heating

Do PCM radiant floors increase thermal energy storage?

The results show that PCM radiant floors increase thermal energy storage up to 243% and decrease the maximum heat flux between 10 and 18% according to the case. They also release the heat slowly when the heating is off.

Do PCM floors deliver energy?

PCM floors delivered energy constantly and for long time. Radiant heating floors with phase change materials (PCMs) for thermal energy storage (TES) represent an opportunity to achieve improvements in energy efficiency in buildings.

How does heat transfer work in radiant floors?

Steady-state and transient heat transfer in the radiant floors are analysed. For the radiant floor including PCMs, during charging, the temperature at the surface of the heating pipes T h p is maintained and the provided energy is stored in the floor's thermal mass (sensible or latent thermal energy) and is transmitted to the room.

What is PCM embedded in radiant heating floors?

PCM embedded in radiant heating floors allows storing energy during the phase change, thus enhancing the use of cheap power [, , , , 21] or renewable energy [, , ].

How much energy does a radiant floor release?

Numerical results showed that the energy released by the radiant floor in peak periods increased between 41.1% and 37.9% compared to conventional systems. Xia et al. experimentally studied a hydronic radiant floor system with a double layer of PCM (heating and cooling for winter and summer respectively).

Can shape-stabilized PCM plates be used for under-floor electric heating?

Lin et al. [14, 15] numerically and experimentally investigated an under-floor electric heating system with shape-stabilized PCM plates with a meting point of 52 °C with 200 kJ/kg of latent heat.