[EnergyPlus_Support] Radiant floor cooling and increased capacity with thicker slab

["Ian Doebber" <ian.doebber@xxxxxxxx>]

I'm looking into improving the overall efficiency of a radiant cooling
system by increasing the slab thickness 1-2 inches below the tubing and
using night cooling to charge the slab.  Currently, we have 5/8" tubing
fastened to a layer of insulation on grade and 4" of concrete poured on
top.  Ideally, if we can significantly reduce the need for cooling in
the morning for a few hours and even reduce the peak cooling load at 5pm
during the day, then we will definitely look further into this strategy.
Has anyone modeled this using the radiant system in EnergyPlu or have
experience with this on a project and seen the benefits?

Thanks


Ian Doebber
Graduate Mechanical Engineer
Arup
901 Market Street Suite 260 San Francisco CA 94103
tel: 415-946-0292
fax: 415-957-9096
cell: 415-613-4314
ian.doebber@xxxxxxxx
www.arup.com

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