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[EnergyPlus_Support] Re: Weather data

I am actually recollecting the same weather data parameters 
(including wind direction) to use it for performing a calibrated 
simulation. I am not collecting diffuse solar radiation data, too 
expensive for me since I am funding myself (master's project), 
instead I am using a spreadsheet I found at 
http://rredc.nrel.gov/solar/models/DISC/ to obtain an estimation of 
direct and diffuse radiation. I do not know how precise this is going 
to be but I am betting that is probably better than using solar 
radiation data with 31% uncertainty.

PS. NREL people please consider collecting solar radiation data in 
Puerto Rico


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Crawley, Drury" 
<Drury.Crawley@...> wrote:
>
> You need direct normal solar radiation but that can be calculated 
from the global and diffuse.  Do you have wind direction?  The 
WeatherConverter can convert most formats to EPW format.  Read about 
it in the Auxiliary Programs Document.
> 
> ________________________________
> 
> From: EnergyPlus_Support@xxxxxxxxxxxxxxx 
[mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of 
antonia.labianca
> Sent: Tuesday, February 12, 2008 4:14 AM
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: [EnergyPlus_Support] Weather data
> 
> 
> 
> Hi,
> My weather file contains only hourly values of:
> � Air Temperature 
> � Relative Humidity 
> � Global Solar Radiation 
> � Diffuse Horizontal Solar Radiation 
> � Wind speed 
> Are they sufficient to run a building simulation?
> 
> 
> 
>  
> 
> 
> [Non-text portions of this message have been removed]
>




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