Using Coolprop in Simulink
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Roberto Tascioni
on 6 Apr 2018
Commented: Roberto Tascioni
on 17 Jan 2022
Hi everyone, I have a question that bother me from long time, I've written my function of Organic Rankine Cycle .m-file in a Matlab and I'm going to put it inside Simulink, I know there are some possibilities to do it, but the more feasible (I think) consists of using an interpolated lookup table of the "Thermal Liquid Settings (TL) block". I have already (manually) prepared the table in a .mat-file, but the problem is: how I can get physical properties of fluid from the block ? for example a call like :
CoolProp.PropsSI('S','T',T3,'P',p_evap,'Novec649')
there is this example on the website, but it cannot help me Rankine Cycle (Steam Turbine) I want not use a low level interface for several reason, is there someone that is able to provide a solution ? Thanks
Roberto
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Accepted Answer
Malte Radecke
on 17 Jan 2022
One way is to call CoolProp like this: https://groups.google.com/g/coolprop-users/c/gakJEFWTQwY
You just need to adjust the code to (if I remember correctly):
function T = fcn(P,Q)
T = zeros(1,1);
coder.extrinsic('py.CoolProp.CoolProp.PropsSI')
T=py.CoolProp.CoolProp.PropsSI('T', 'P', P, 'Q', Q, 'WATER')
end
Remember that you first have to call CoolProp in MATLAB via a Python Wrapper. Look here for more information: http://www.coolprop.org/coolprop/wrappers/MATLAB/index.html
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