[Equest-users] Unexpected energy consumption related to occupancy increase

[Joe Huang]

I took a quick look at your files, and noticed that the occupancy was input in different 
ways between the two models (AREA/PERSON in one and NUMBER-OF-PEOPLE in the other). Also, 
two spaces have PEOPLE-SCHEDULE defined in one case, and not in the other.   I assume that 
NUMBER-OF-PEOPLE override AREA/PERSON, but am not sure.  I suggest that you look at the 
LOADS reports in the *.SIM files and see what are the actual occupancy and occupancy 
schedule that are being modeled. Please note that occupancy affects other operations as 
well, such as the amount of outside air, etc.

Joe

Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 108D
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"


On 17/09/2013 2:01 PM, Morteza Kasmai wrote:
>
> Dear All,
>
> Something strange is happening in this proposed model. When I change the total building 
> occupancy from eQuest default numbers (321) to real numbers that I have for the actual 
> design (361), total building energy consumption increases tremendously (from $135,741 to 
> $144,114). However, when I increase the occupancy in the baseline model (with System 6), 
> the total building energy consumption does not increase too much. Please refer to the 
> attached files (INP and PD2 files of proposed model with different building occupancy).
>
> I would appreciate your comments on this issue,
>
> Morteza
>
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