Re: [EnergyPlus_Support] another Q about the latent load

["Michael J. Witte" <mjwitte@xxxxxxxx>]

As I mentioned in my earlier post, PURCHASED AIR does not control RH, so I do 
not think you will be able to get the answer you seek without simulating a full 
HVAC system.

Mike


On 29 Jul 2004, at 16:33, Zheng Li wrote:

> Dear:
> 
> Thank you for your answer! 
> I have another question about the room latent cooling load when using the
> "Purchased Air". In my case, the summer design day dry bulb T is 33.2C and wet
> bulb T is 28.6C; the room T and RH setpoints are 24C and 50% respectively from
> 7:00am to 10:00pm, and 30C and 80% respectively from 10:00pm to 7:00am, that
> means there is no air conditioning during that period. The object "TIME STEP IN
> HOUR" is 6 and the object "SOLUTION ALGORITHM" is MTF. The result that I need is
> the   "Zone/Sys Sensible Load Predicted" and "Zone/Sys Moisture Load Rate
> Predicted". For the sensible load, the value of 7:10 is 1324W and that of 7:20
> is 651W, this is reasonable because of the starting time of AC, but for the
> latent load of the same time: 3.53gwater/s and 0.592gwater/s(8626W and
> 1447W).Why the first one is extremely large than the second? Is it reasonable?
> 
> Thanks!
> 
> LI
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx




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