[BLDG-SIM] horizontal daylight illuminance

Jason Glazer jglazer at gard.com
Fri May 13 11:06:06 PDT 2005


It went to the list. Here is the BLDG-SIM message.

Jason

On 13 May 2005 at 13:36, Drury.Crawley at EE.DOE.GOV wrote:

> The original TMY2 files contain global horizontal
> illuminance data as well as direct normal, diffuse
> horizontal, and zenith illuminance.
> 
> See TMY2 format information on the NREL web site:
> http://rredc.nrel.gov/solar/old_data/nsrdb/tmy2/
> 
> Illuminance data was calculated using luminous efficacy
> models developed by Perez:
> http://rredc.nrel.gov/solar/pubs/tmy2/appendixa.html#calc
> 
> (The EnergyPlus weather files maintain the illuminance
> data.)
> 
> 




On 13 May 2005 at 14:01, Drury.Crawley at EE.DOE.GOV wrote:

> 
> I messed up and sent my reply to the original person, not
> the list...  reply to is only working to the sender, not the
> list--has that changed?
> 
> Dru
> 
> 
> 
>                       "Jason Glazer"                        
>                            <jglazer at gard.com>       To:
>                       BLDG-SIM at GARD.COM                     
>                               Sent by:                 cc:  
>                                                 
>                       postman at gard.com         Subject: 
>                       [BLDG-SIM] horizontal daylight
>                       illuminance    
> 
> 
>                       05/13/2005 01:05 PM                   
>                                 Please respond to           
>                                         jglazer             
>                                       
> 
> 
> 
> 
> 
> 
> Here is the URL.
> 
> http://rredc.nrel.gov/solar/old_data/nsrdb/tmy2/
> 
> Jason
> 
> On 13 May 2005 at 9:58, Jon McHugh wrote:
> 
> > TMY 2 already has a global horizontal illuminance field.
> > Check the NREL (National Renewable Energy Lab) TMY2 web
> > page for a description of the fields.
> >
> > Jon McHugh
> >
> > ________________________________
> >
> > From: postman at gard.com [mailto:postman at gard.com] On Behalf
> > Of Robert Thomas Sent: Friday, May 13, 2005 7:20 AM To:
> > BLDG-SIM at GARD.COM Subject: [BLDG-SIM] (No Subject)
> >
> >
> > Does anyone know of a program or a procedure to convert
> > TMY2 solar radiation data into horizontal daylight
> > illuminance?
> >
> > Thanks,
> > Robert
> >
> > __________________________________________________
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> 
> =========================================================
> Jason Glazer, P.E.  jglazer AT gard DOT com  847 698 5686
> GARD Analytics - http://www.gard.com/ 1028 Busse Highway,
> Park Ridge, IL 60068 Building Energy Simulation and Analysis
> Admin of BLDG-SIM list for building simulation users
> 
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