[EnergyPlus_Support] Re: Solar radiation components in Bin weather file

["eric_zhou1223" <eric_zhou1223@xxxxxxxxx>]

Thank you all for the guidence, Joe, Fred, and Linda.

DOE-2 *.BIN seems to be a binary format which could not be edited 
via a text editor straightforward in my brain. So I chose the epw 
format as the 
bridge. Am I missing some tool used to edit the bin file directly?

Eric


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Joe Huang" <joe@...> 
wrote:
>
> Eric,
> 
> If measured solar data is available, then by all means you should 
get it.
> However, make sure first that the weather bureau is indeed 
providing measured
> radiation, and not calculating it from other parameters, since 
recording solar
> radiation is not standard operating practice for typical weather 
stations. If
> you can get measured solar, consider yourself very lucky.
> 
> The only critical measured radiation values are the global 
horizontal, and the direct
> normal radiation. Everything else can be calculated from these two.
> If your weather bureau can provide only the global horizontal, you 
will need to use
> a model to do the direct/diffuse split. 
> 
> The DOE-2 *.BIN file contains just the global horizontal and 
direct normal. 
> I'm surprised you're thinking of creating an EPW and then 
translating it to BIN.
> I've been doing the opposite - create first a "bare bones" *.BIN 
file, and then
> filling out the additional data needed for an EPW. 
> 
> Joe Huang
> White Box Technologies, Inc.
> 
>   ----- Original Message ----- 
>   From: eric_zhou1223 
>   To: EnergyPlus_Support@xxxxxxxxxxxxxxx 
>   Sent: Wednesday, December 03, 2008 9:52 PM
>   Subject: [EnergyPlus_Support] Solar radiation components in Bin 
weather file
> 
> 
>   All, 
> 
>   I am planning to buy weather data from weather bureau to create 
our own 
>   customized epw weather file for a location. Then the epw file 
will be 
>   changed to bin format for DOE2 use. In epw weather file, 
included are 
>   Global horizontal Solar Radiation, Direct Normal Radiation, 
Diffuse 
>   Horizontal Radiation. I would think three items impact on the 
results. 
>   How about the BIN file? Is it enough to get the Global 
horizontal Solar 
>   Radiation only for the BIN format? 
> 
>   There are two options for me:
>   1) Get Global horizontal Solar Radiation data and leave the 
other two 
>   alone;
>   2) Buy global horizontal and direct normal radiation. We then 
calculate 
>   the third one.
> 
>   Does anyone have any idea of it? Which way is better to go. Any 
input 
>   is much appreciated.
> 
>   Eric
>



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