RE: Type56, small timestep

[Michaël Kummert <kummert@xxxxxxxxxxxxx>]

I forgot to mention that the Type 56 time base MUST be an integer multiple
of the TRNSYS time step.
0.05 and 1h would work, but not 0.15 and 1.

Michaël


> -----Original Message-----
> From: owner-trnsys@relay.doit.wisc.edu 
> [mailto:owner-trnsys@relay.doit.wisc.edu] On Behalf Of Michaël Kummert
> Sent: Friday, December 06, 2002 17:50
> To: trnsys@relay.doit.wisc.edu
> Subject: RE: Type56, small timestep
> 
> 
> Timo,
> 
> The TRNSYS time step can be less than or equal to the Type 56 
> wall time base. In your case, you can for example use a 3-min 
> (0.05h) time step for the Trnsys simulation and a 1 hour time 
> base for the wall transfer functions.
> 
> Please note that the starting time of the simulation MUST be 
> a multiple of the Type 56 Time base. You cannot start the 
> simulation at 0.05h, for example.
> 
> If you use hourly weather data file, the right start time for 
> a yearly simulation is ALWAYS 1 for any time step (whether or 
> not you use Type 56).
> 
> Regards,
> 
> Michaël Kummert
> 
> _________________________________________________________
> 
> Michaël Kummert
> 
> Solar Energy Laboratory - University of Wisconsin-Madison
> 1303 Engr Res Bldg, 1500 Engineering Drive
> Madison, WI 53706
> 
> Tel: +1 (608) 263-1589
> Fax: +1 (608) 262-8464
> E-mail: kummert@engr.wisc.edu (*****NEW*****)
> 
> SEL Web Site: http://sel.me.wisc.edu 
> TRNSYS Web Site: http://sel.me.wisc.edu/trnsys
> 
> 
> > -----Original Message-----
> > From: owner-trnsys@relay.doit.wisc.edu
> > [mailto:owner-trnsys@relay.doit.wisc.edu] On Behalf Of Timo 
> Sengewald
> > Sent: Friday, December 06, 2002 03:45
> > To: TRNSYS group
> > Subject: Type56, small timestep
> > 
> > 
> > Hello!
> > 
> > I want to run a simulation of a solar system with a
> > timestep=1min. The system itself works well. But now the 
> > problem is to include the belonging building (Type 56) at 
> > this timestep. It is necessary to use a timestep less than 
> > 10min to examine the dynamic behavior of the whole system 
> > depending on the insolation.
> > 
> > Does anybody have a solution?
> > Thank you!
> > 
> > 
> > Timo Sengewald
> > ------------------------------------------
> > Phönix Sonnenwärme AG
> > Am Treptower Park 28-30
> > D-12435 Berlin, Germany
> > e-mail: timo.sengewald@sonnenwaerme-ag.de
> > www.sonnenwaerme.ag
> > Tel.: +49-(0)30-53 00 07-237
> > Fax.: +49-(0)30-53 00 07-17
> > ------------------------------------------
> > 
> > 
> 
>