Re: [EnergyPlus_Support] Solar Fluxes and building size.

["Michael J. Witte" <mjwitte@xxxxxxxx>]

It appears that the walls are all facing inward instead of outward.  The 
geometry rule specified is that the vertices are entered counterclockwise when 
viewing the surface from the outside.  The facing angle of each surface can be 
verified using Report, Surfaces, Details; (as suggested earlier).  The report 
appears in the eio output file and is most easily read by pasting it into Excel 
and separating on commas.

The facing direction of the walls can be fixed by reversing the order of the 
vertices (1,2,3,4 --> 4,3,2,1).

Mike


On 7 Sep 2004, at 17:27, sope_obadeyi@xxxxxxx wrote:

> Hi,
> 
> I am encountering a problem with modelling a building in EnergyPlus. On
> studying the solar flux incident on the exterior walls of the building it
> appears that the highest values early in a day are on the west side, and
> the later in the day towards afternoon/evening the highest values are on
> the eastern side of the building. This is the opposite of what I would
> expect. I have checked the geometry carefully.
> 
> Also , I find that the building volume calculated in EnergyPlus 157.52m3 is
> quite different from the value I have entered 125m3. The dimensions of the
> building are 10m by 5m by 2.5m. Upon simulating i find there is also an error
> saying the surface report had not been implemented?
> 
> I upload my EnergyPlus input file named 1simnormal. I would be very
> grateful if someone can take a look at it.
> 
> Many Thanks
> 
> Sope Obadeyi
> 
> 
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx




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