[TRNSYS-users] How to start a hotwater circulation simulation

mcdowell at tess-inc.com mcdowell at tess-inc.com
Wed Mar 27 09:37:32 PDT 2013


 

Daniel - 

Can you be a little more specific about your problem?
Just saying it doesn't work when you add a building model does not give
us much to go on when trying to help you solve the problem. 

Regards,


Tim 

---
Timothy P. McDowell
Executive Vice President
Thermal Energy
System Specialists, LLC
22 N Carroll St, Suite 370
Madison, WI
53703
608-274-2577

On 2013-03-25 09:23, Daniel Luigart wrote: 

> Dear
community, 
> 
> I am new to TRNSYS and I am starting to work on a
simulation which should represent the energy losses through the hot
waterpipe system in a building. I am trying to figure out how handle
this kind of issue. 
> 
> One approach I already made was creating the
circulation first, if that works I could "put" the network in the
building by adding type 56 and connect it with all the existing pipes.
So I started to create a very simple network with a water tank (type
4a), a pump (type 114 e.g.) and connect those with a few pipes (type
31), tee-piece diverter and mixer (type 11d/f)...So far so good, even
though the result is meaningless, it worked. 
> But when I include a
building created with TRBbuild it didn't work anymore. 
> 
> Question:
Has anyone ever had contact with this kind of simulation (hot water
circulation etc.)? If so, how did you start? 
> There is defenitely a
better and more accurate way to simulate a circulation like this, but
how? 
> The aim is to add more details little by little, like a
stratified fluid tank (type 60) and maybe a solar system which feeds the
tank with a lower temperature as well. 
> 
> Thank you very much in
advance for your help. I would appreciate it very much. 
> 
> Kind
regards, 
> Daniel Luigart
 
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