Re: [EnergyPlus_Support] radiance vs E+

[Rob Hitchcock <RJHitchcock@xxxxxxx>]

Danny,

There are a significant number of differences between Radiance and 
EnergyPlus.  The choice of tools really depends on the intent of your 
analysis.  A key difference is that Radiance is a very powerful tool for 
both qualitative (visual images) and quantitative analysis of detailed 
scenes, primarily for a single set of exterior lighting conditions.  
EnergyPlus is less detailed and provides no visual images of lighting, 
but is extremely useful for analyzing the dynamic interactive impacts of 
daylighting on all building systems (including electric lighting and 
HVAC) on an hourly basis throughout a typical meteorological year.

There are many other algorithmic differences that would need further 
explanation.

Rob Hitchcock
=========
Danny Bishop wrote:

> Hi All
> Can anyone tell me how radiance compares with E+ for daylight and glare
> modelling? I would prefer to keep my work in E+ which does seem to be 
> up to
> the job of accurate daylight modelling, but if there are some 
> limitations or
> complications that I should know about it would be great if you could 
> let me
> know.
> Cheers
> Danny
>
> [Non-text portions of this message have been removed]
>
> 




[Non-text portions of this message have been removed]



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