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Re: [EnergyPlus_Support] RE: Floor area of spaces stacked into a single thermal zone

Hi Patrick,
In case if your are selecting three identical spaces one above the other, as you mentioned, it is better to decentralise the whole system for the given component of energy simulation. For example, if you are attempting to use Lighting Power Density by combining all three floors, it would not give appropriate value in terms of resultant power consumption. As you pointed out, you may want to keep the lighting system and related power requirement as per independent floor-wise for simulation purpose and design-wise.


On Tuesday, 24 December 2013 5:00 PM, Germán Campos <ecoeficiente@xxxxxxxxx> wrote:
That's right, you should use adiabatic surfaces for the internal floors.
Your approach is joining the three spaces into one (and internal floors as internal mass or you obviate it?).
If the floor area is the same I don't think it is too hard to multiply the W/m2 by three or dupplicate the lights definition (3 times) and assign the three to the same zone...


Germán Campos

Aurea Consulting  
(+34) 943 104 634

2013/12/24 <patrick.bivona@xxxxxxxxx>
Hi German,

You're right, but I'm more interested in the case where the spaces are not strictly identical.

Besides, if the spaces on each floor have adjacent spaces, the contact surfaces of the adjacent spaces have to be defined as adiabatic, right?


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