Re: [EnergyPlus_Support] Re: Simple Night + Day Ventilation

[Linda Lawrie <linda@xxxxxxxxxx>]

At 02:16 PM 2/1/2006, Rory Walsh wrote:

>Daytime 08.00 - 16.00  Ventilate at 3ACH if the internal temperature
>is above 22C.
>
>Nighttime 16.00 - 08.00 Ventilate at 2ACH if the internal temperature
>is above 20C.

Since we don't schedule the internal temperature max, probably the 
best you can do with the current Ventilation command would be to make 
it so that the design volume is x times (to achieve the 2ACH/3ACH 
rates) in the schedule for it.  Perhaps you could use a combination 
of internal temperature being above 20C for the 24 hours and the 
maximum outside temperature fields to achieve closer to what you want.

Though it's not as simple and I can't advise on it (but others on the 
list can), you might look at the Ventilation:Mechanical object and 
what would be required to use that.


Linda

EnergyPlus WebSite: http://www.energyplus.gov
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Member: EnergyPlus Development Team



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