Radiative and convective cooling of space by flat, profiled or coffered exposed surface (normally soffit)
Suitable for use with natural ventilation
Partial thermal exposure possible with open cell or perforated tiles
Slab could be cooled by imbedded water pipes rather than night cooled
Ventilated floor/ceiling void
Convective cooling of supply/ recirculation air in void
Relatively low performance
Often used in combination with exposed surface
Enhanced surface heat transfer
High rates of convective cooling of supply/recirculation air by creating turbulent air flow at surface in floor/ceiling void
Hollow core
High rates of convective cooling of supply/recirculation air by passing air through cores in slab
Typically used with exposed surface
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