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How are the hydronic tubes embedded in low temperature radiant system? (EnergyPlus)

asked 2018-07-12 12:48:50 -0600

kenny.c
177 ●5

updated 2018-07-17 13:55:44 -0600

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4436 ●5 ●17 http://bleedinggreenna...

Hi

I'm modelling TABS (Thermally Activated Building Systems) via ZoneHVAC:LowTemperatureRadiant:ConstantFlow in EnergyPlus (EP). Could anyone tell me how the hydronic tubes/pipes are embedded in the system? I can't seem to find this in the EP documentation. Does EP consider the entire floor (finishing, insulation, concrete slab,...) as a whole and does EP put its tubes in the middle? Or does EP put the tubes in the concrete slab? Or something else? Thanks in advance!

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answered 2018-07-17 13:34:41 -0600

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6835 ●26 ●12 http://www.gard.com/

The tubes can be embedded between any layers of materials. You specify an integer that indicates where it is in the Construction:InternalSource object that is used with low temperature radiant systems. You might want to also take a look at the example IDF files that start with "RadLoTemp" in the ExampleFiles directory.

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Asked: 2018-07-12 12:48:50 -0600

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Last updated: Jul 17 '18

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