[Equest-users] Input function with daylight factors for accurate, daylight analysis

[Fisnik Rushiti]

Hi Bill,

I usually use 3D Max for daylight analysis, its daylight engine is same 
as Daysim. The reason behind it is that I can use 100% of the model 
(like the example attached on previous email) from revit / vasari 
without creating any additional geometry, + weather file from location 
where daylight study is under analysis.
In that regards, I export all meters to excel spreadsheet where I 
usually manipulate with them.
Good side of it, it is fast since you are using two very easy to link 
softwares, no need to rekreate complex geometry
Bad side of it - we are talking about $5,000 +/- software, whereas 
eQuest and Daysim are for free
I find it easier to model in Vasari, free autodesk software, then export 
to Max or eQuest if needed.

Best Regards,

Fisnik Rushiti, Dipl.A.I
Energy analyst
608-232-4323 (office)
Flad Architects
644 Science Drive
PO Box 44977
Madison, WI  53711
P 608-238-2661
F 608-238-6727
www.flad.com

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On 8/14/2013 3:02 PM, equest-users-request at lists.onebuilding.org wrote:
>
> I am modeling a building with many clerestory windows of various 
> orientations in a complex roof geometry. I would like to accurately 
> model the daylighting savings in eQUEST. Has anyone had luck creating 
> an input function that uses daylight illuminance factors, as described 
> by Steve Baker 
> <http://simulationresearch.lbl.gov/dirpubs/complex_dayltg.pdf> back 
> when Bush Sr. was president and this song 
> <http://www.youtube.com/watch?v=9EcjWd-O4jI> was a Top 10 hit? 
> "Limitations of the Daylighting Calculation" and an "Example of Using 
> Measured Daylight Factors" using an input function are described in 
> the DOE-2 help.
>
> Thanks,
>
> Bill
>
> *William Bishop, PE, BEMP, BEAP, LEED AP **|**Pathfinder Engineers & 
> Architects LLP*
>
> Senior Energy Engineer
>
> 134 South Fitzhugh StreetRochester, NY 14608
>
> T: (585) 325-6004 Ext. 114F: (585) 325-6005
>
> bbishop at pathfinder-ea.com 
> <mailto:wbishop at pathfinder-ea.com>www.pathfinder-ea.com 
> <http://www.pathfinder-ea.com/>
>
> PSustainability -- the forest AND the trees.P
>

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