Hello David,
That is an
excellent idea !
I did not
exactly measure horizontal radiation since the “horizontal”
pyranometer was placed on the roof, which is 10° tilted. I
guess I could try first by considering the roof as
horizontal since 10° is not that much. I could also estimate
the horizontal radiation by calculation, or finally, does
the type 16 can do this job ? If I understand, Type 16 can
go from horizontal to any tilt but not the other way around,
does it ?
Thanks for your
help
Wirich
FREPPEL
Development engineer
COSMOS -
Buildings Energy Performance & Daylighting
Group
Cell: +33 637 053 174
Saint-Gobain Research Compiègne
Wirich,
Did you also by chance measure global on the horizontal? If
so then what I would suggest you do is to define your same
vertical surfaces in Type16 and then run your measured global
horizontal through it. Type16 will give you an estimate of how
the global breaks up into beam and diffuse not only for the
horizontal but also for the vertical surfaces. I would then
compute the ratios of beam to global and diffuse to global
that Type16 gives you for each surface and then use those
ratios multiplied by your actual measurements to come up with
the components that Type56 wants.
kind regards,
david
On 06/17/2021 04:15, Freppel, Wirich via
TRNSYS-users wrote:
Dear Trnsys users,
I measured global solar radiation on
vertical surfaces (one for each orientation) using a
pyranometer. I would like to use these data on my building
model instead of using “internal calculation”.
Type 56 asks for direct and diffuse solar
radiation arriving on the surface. How can I manage the data
to send the appropriate values to Type 56 ?
Thanks in advance for your help
Wirich
FREPPEL
Development engineer
COSMOS -
Buildings Energy Performance &
Daylighting Group
Cell: +33 637 053 174
Saint-Gobain Research Compiègne
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