[Bldg-sim] TRNSYS/EnergyPlus questions

[Werner Keilholz]

I remember TRNSYS users reading in RADIANCE data via the
generic Data Reader type in TRNSYS (type 9), although I don't
remember the name of the user.

I'm sure if you ask the question on the TRNSYS users's mailing list
you'll get a bunch of suggestions ...

(see
http://sel.me.wisc.edu/TRNSYS/Default.htm
for the TRNSYS mailing list)

Werner
jon hand wrote:

> Bryant Walker Smith on the Bldg-sim list asked:
> > 2. Are there any building simulation programs/add-ons that
incorporate
> > daylighting analysis? Alternately, is there any compatability
between
> > programs like EnergyPlus/TRNSYS and Radiance?
>
> For a number of years ESP-r has supported several approaches to
> simultaneous thermal and lighting simulation via Radiance. Esp-r
> includes a module which exports the current thermal model into
> a highly structured Radiance model with full attribution and
> then coerces Radiance modules to accomplish a number of
> lighting/visualisation tasks (external and internal views,
> daylight factors, glare assessments, etc.).
>
> The module is designed to protect practitioners from the "black hole
of
> parameter tweaking" which typifies raw use of Radiance. Expert uses
can
> use the module to tweak the parameters and the model description if
they
> wish.
>
> In "simultaneous thermal/lighting assessments" the user can use
Radiance
> derived fixed daylight factors within lighting control circuits or the

> simulation engine can call Radiance at each time step to enquire about

> the lux at various points for purposes of control. There is also an
> option pre-calculates daylight coefficients for each external glazing
> which can be useful for high-frequency long-period assessments.
>
> Additional information is available at <http://www.esru.strath.ac.uk>.

>
> Regards, Jon Hand ESRU
>
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  /    \____ Werner Keilholz, Software Development Group Leader
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