[TRNSYS-users] (no subject)

Jeff Thornton thornton at tess-inc.com
Thu Mar 28 07:14:26 PDT 2019


Jibi,

When you say your simulation got stuck what exactly do you mean?  That it ran into convergence issues and terminated?  That it froze with no response?  Did you check the new a0, a1 and a2 parameters to see if they are reasonable? Try a smaller timestep?

Jeff



Sent from my iPhone

> On Mar 28, 2019, at 7:23 AM, Jibi Jais (지비 제이즈) via TRNSYS-users <trnsys-users at lists.onebuilding.org> wrote:
> 
> Hello all
> 
> I created a trnsys program for seasonal thermal energy storage using flat plate collector. The system is bit complicated, but I got good simulation results at the end according to the conditions provided by our collaborator.
> 
> Now I came to know that the values of a0, a1 and a2 of flat plate collector are different from the one I was using. When I input the corrected values, the system run but got stuck while running.
> I tried to change the flow rates then. But the results happens to be poor. I don't know which parameter I should adjust in order to get better results.
> 
> Helpful suggestions on this would be appreciated.
> 
> Thanks 
> Jibi 
> -- 
> 
> -----------------------------------------------------------------------------
> Jibi Jais
> Doctoral Researcher
> Renewable Energy Laboratory, Room 203-2
> Department of Mechanical Engineering
> Graduate School, College of Creative Engineering
> Kookmin University
> 77 Jeongneung-ro, Seongbuk-gu, Seoul, 02707, Korea
> Tel : +82-10-4496-4221, +82-2-910-5031 (O)
> E-mail: jibijais at kookmin.ac.kr, jibijais at gmail.com
> -----------------------------------------------------------------------------
> 
> 
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