[TRNSYS-users] Adiabatic floor with active layer

[Arie Kalkman]

Dear Sabine,

 

It is hard for me to imagine a situation where an adiabatic boundary to an
active layer makes any sense?

Since an active floor wil generate heat flows up and down, which usually are
not identical (due to the position of the active layer in the floor, but
also due to floor covering and different convective heat transfer
coefficients), you usually need to model a dummy zone and simulate both heat
flows.  Could this be a solution to your problem?

 

Kind regards,

 

Arie

 

 

  _____  

Van: Sabine Jansen - BK [mailto:S.C.Jansen at tudelft.nl] 
Verzonden: woensdag 5 november 2008 16:03
Aan: trnsys-users at cae.wisc.edu
Onderwerp: [TRNSYS-users] Adiabatic floor with active layer

 

Dear all,

 

Does anyone have experience with simulating an adiabatic boundary for a wall
or floor with an active layer?

 

Usually I define an adiabatic wall with boundary - identical. But for a wall
with gains (from sun or TABS) this results in heat transfer from the back
surface of the wall as well, since the floor is warmer than the zone and the
identical temperature is equal to the zone temperature.

 

I hope someone knows how this can be done for active floors!

 

Thanks in advance,

Kind regards, Sabine Jansen

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