[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [TRNSYS-users] how can I model floor heating and radiators

Karol,
  I would use the active layer in Type56 to model the radiant floor option. Type1231 is intended to model low-temperature hydronic heat-distributing units such as radiators, convectors, and baseboard and finned-tube units. There is guidance in the documentation on how to choose values of the parameters. While your radiator doesn't have tubes exactly, I would treat the vertical flow channels as pipes and use an approximate diameter (or more ideally, the hydraulic diameter of the flow channel)
Kind regards,
 David


On 11/8/2012 12:08, Karol Bandurski wrote:

Dear all,

 

I would like to compare energy demand for dwelling with floor heating vs. with radiators.

 

So I have following issue:

 

1)      FLOOR/RADIANT HEATING: what is the best (easy and accurate) way to model this installation (in context of my goal), which solution is better:

a.       Active Layer in TRNBuild,

b.      Type 1231,

c.        Other type…

2)      RADIATORS: I would like to use type 1231 to simulate radiators  - it is good way? The problem is that construction of my radiators is as you can see in attachments.

How to find required values to define model of radiators? e.g. What is ‘Inside diameter of the pipe in the unit’ if in my radiators there is no pipe inside, they are only connected to pipe… (attachments)

 

I will be grateful for any trick and hints!

Regards!

Karol

-----------------------------------------

mgr inż. Karol Bandurski

Instytut Inżynierii Środowiska

Politechnika Poznańska

www.ee.put.poznan.pl

www.put.poznan.pl

 



_______________________________________________
TRNSYS-users mailing list
TRNSYS-users@cae.wisc.edu
https://mailman.cae.wisc.edu/listinfo/trnsys-users


-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley@tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com