[EnergyPlus_Support] Re: how to change the outdoor air flow rate?

["yunpeng.hu" <yunpeng.hu@xxxxxxxxx>]

Why do I want EnergyPlus to INTERACT with MATLAB, FORTRAN or others 
program language?
I just want to change the flow rate by myself, becasue I need the 
flow rate to change in certain timesteps. I want to know how the 
temperature changes in a given air flow rate in a VAV system, but the 
Energyplus always, in my opinion, give the trend of air flow rate to 
meet the zone setpoint.
Maybe what I say has some misunderstanding, please point out!
I will try my best to make it clear.
Thanks a lot!

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, D T <ellinas.1984@...> 
wrote:
>
> To address your last question, whether EnergyPlus interacts with 
any software, I know that there are software programs you can use to 
draw up a building and define building geometry and dimensions. You 
can then export these files to EnergyPlus. From personal experience, 
I know that you can specifically use DesignBuilder (a graphic user 
interface software package compatible w/ EnergyPlus) to draw the 
facility and define the loads for your building and then export the 
idf file to EnergyPlus. I know that there is also a plugin program 
that lets you define building geometry as well (but I don't know too 
much about it). But, to my knowledge, I do not think that EnergyPlus 
is capable of interacting with programs such as MATLAB as you 
mention. Honestly, I do not understand why you would need EnergyPlus 
to interact with MATLAB. 
> ?> -Dimos Triantafillu
> 
> 
> --- On Sat, 1/17/09, yunpeng.hu <yunpeng.hu@...> wrote:
> 
> From: yunpeng.hu <yunpeng.hu@...>
> Subject: [EnergyPlus_Support] how to change the outdoor air flow 
rate?
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Date: Saturday, January 17, 2009, 10:50 PM
> 
> 
> 
> 
> 
> 
> Hi,all.
> I've defined the "Outdoor Air method" as the "sum" in the 
sizing:zone, 
> and set the "100% Outdoor Air in Cooling" as "yes". What's more 
> the "Minimum / Maximum fraction of Outdoor Air Schedule" is all the 
> same£¬¡°1¡±¡£
> But the outdoor air flow rate can't change with the Occupy 
Schedule. 
> I've given the "Outdoor Air Flow Per Person", of course, in 
> the "Sizing:Zone" .
> Why the outdoor air flow rate can not change with the Occupy 
Schedule?
> 
> By the way, does EPlus interact with other softwrae, just like 
Matlab 
> or others?
> 
> Thanks!
>



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