[TRNSYS-users] Change of working fluid

[David BRADLEY]

Ravindra,
   The answer to your question depends somewhat on which models you are 
talking about. Most TRNSYS models assume that the fluid properties 
(usually density and specific heat) are constant over the temperature 
range that they will experience during the simulation. The assumption 
goes all the way in to the derivation of the equations used in the 
model. If you need a piece of equipment whose working fluid's properties 
must change with temperature then you have to rederive the basic 
equations and rewrite or revise the model. There are some models in the 
TESS High Temperature Solar library that allow you to enter coefficients 
that describe how the properties of the working fluid vary with temperature.
kind regards,
  David


On 03/15/2016 07:36, v ravindra wrote:
> In a solar domestic hot water system is it possible to change the 
> properties of the working fluid. I mean the water will be heated but 
> the secondary fluid is changed. I want to use supercritical CO2 as the 
> working fluid. Please guide me in this thing.
> V.Ravindra
>
>
>
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> TRNSYS-users at lists.onebuilding.org
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-- 
***************************
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 at tess-inc.com

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

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