[TRNSYS-users] CoolProp in TRNSYS

[David BRADLEY]

Maciej,

  some of these may be quite obvious but here are some things to check.

- make sure that you modified the Studio proforma to allow for the new 
nref code.

- make sure that you have used the same case the CoolProp expects; I do 
not know for a fact but it looks to me as though CoolProp is case sensitive.

- make sure that CO2 properties can be returned based on the 
combinations of properties that you are sending (T and x known, T and p 
known, etc.)

- you'll need to recompile the TRNDll after making the source code 
change CoolProp_Fluid_Properties()

kind regards,

  David


On 01/31/2022 05:09, Maciej Bujalski via TRNSYS-users wrote:
>
> Dear TRNSYS users,
>
> I have created my own component to calculate properties of fluids 
> using CoolProp library.  The component communicates with Subroutine 
> CoolProp_Fluid_Properties(…). However, I would like to use different 
> fluids than those listed in this file (for example CarbonDioxide).
>
> I just wrote a new line in Subroutine CoolProp_Fluid_Properties – “If 
> (nref == new number) RefName = “CarbonDioxide”//CHAR(0)
>
> But it does not work.
>
> Do you have any recommendations for me ?
>
> Kind regards,
>
> Maciej Bujalski
>
>
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-- 
***************************
David BRADLEY
Principal
Thermal Energy System Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
d.bradley at tess-inc.com

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