Dear Users,
I'm facing problems using Type109-User format.
I want to use constant wheater data in order to understand what is exactly happening at solar thermal collectors. I studied the TRNSYS manual to get information about the format of the user-wheater-data-file .109,
and I think that I understood all.
To get constant wheater data, I set the ambient temperature to constant 20°C, and I also set the diffuse horizontal radiation IDIFF_H and the global horizontal radiation IGLOB_H to constant values (for example 1000
W/m² and 500 W/m²).
When I run the simulation, I get strange results. Even though I set the radiations to constant values, the values in the diagram of the results are not constant (they show a typically daily behavior), but the collector
outlet temperature and the usefull energy gain are constant. It seems to me, that there is no dependance between the radiation and the outlet temperature/energy gain...
I attached the .tpf and my .109 files for you!
Could somebody please tell me if I use the .109-user-file the right way and if not, explain me what I do wrong?
Thanks in advance!
Mit freundlichen Grüßen / Kind regards
Christopher Haluf
Intern
Siemens AG
Corporate Technology
CT PS 3
Günther-Scharowsky-Str. 1
91058 Erlangen, Deutschland
Tel.: +49 (9131) 7-24724
Fax: +49 (9131) 7-21339
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