[TRNSYS-users] T19 effective thermal capacitance

[David Bradley]

Rémi,
  From the code, it looks as though the capacitance value is expected in 
kJ/K. We'll make sure that the documentation and proformas get modified. 
Thanks for pointing out the error.
Kind regards,
  david


At 11:05 AM 9/27/2005, Charron, Rémi wrote:
>Hello Everyone,
>
>Does anyone know how the Capacitance (param 6) for Type 19 works?
>
>The definition of the parameter states that it is a dimensionless number
>defined as: "The effective thermal capacitance of the room air and
>furnishings plus any mass not considered with the transfer functions."
>
>If I look at the equations listed in the manual, it seems that the units
>should be in the form of J/kg (or similar).  However, if I use J/kg, or the
>default value of 80000, for a room of 10 x 10 x 2.438 m, I get no daily
>fluctuations in temperature due to solar radiation.
>
>Rémi
>
>_______________________________________________
>TRNSYS-users mailing list
>TRNSYS-users at engr.wisc.edu
>https://www.cae.wisc.edu/mailman/listinfo/trnsys-users

****************************************************************************************
Thermal Energy System Specialists (TESS), LLC
David BRADLEY                           2916 Marketplace Drive - Suite 104
Partner                                        Madison, WI 53719
Phone: (608) 274-2577 USA
Fax: (608) 278-1475
E-mail: bradley at tess-inc.com
Web Pages:  http://www.tess-inc.com     and      http://www.trnsys.com

"Providing software solutions for today's energy engineering projects"
****************************************************************************************