Dear Fabio,
Start here: http://apps1.eere.energy.gov/buildings/energyplus/weatherdata_about.cfm
Navigate to your country and the city of your project, then select the Zip file and download it. Once you unzip, you will see a .ddy file.
Once you have the .ddy, start IDF Editor and then open the .ddy. Notice that IDF Editor defaults to looking for a .idf file extension. You’ll need to change it to look for a design day (.ddy) extension
Opening a file in IDF Editor normally looks like:
Change it to look like:
The Building Performance Team
James V. Dirkes II, P.E., LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of quad_nich
Sent: Saturday, March 05, 2011 2:05 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: Design Day
I can't find the content of .ddy file in my country's weather data that I request from E+ ( .ZIP ),, it is empty..
so, what should I do? where I can find the information of ddy file,,?
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Drury B Crawley <dbcrawley@...> wrote:
>
> Design day data -- if the location has design conditions in the ASHRAE 2009
> Fundamentals -- are in the .DDY file that is in the .ZIP on the EnergyPlus
> web site. See the discussion in the 2009 Fundamentals for selecting the
> correct design conditions.
>
> On Fri, Mar 4, 2011 at 12:22 PM, fbio_reis <fabioreis23@...> wrote:
>
> >
> >
> > Hi,
> >
> > Where can i find data to fill the design day? Do i have to search in the
> > weather data for the hottest day and the coolest?
> > Or there is another way to get that info?
> >
> > Thanks,
> > Fábio
> >
> >
> >
>
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