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为什么在模型中两项物性参数运行无误 而在一起调用refp​rop就会出现问题呢​(注释掉运行没有问题​,取消注释后出现it​eration did not converge,且调用物性模块出现Error in 'steam_sep​arator/汽水分​离器(一级疏水)/P​_DH' while evaluating expression.

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on 28 Mar 2023
Answered: Himanshu on 18 Jan 2024

Answers (1)

Himanshu
Himanshu on 18 Jan 2024
Hey,
I understand that you are encountering an error when trying to call REFPROP, but your model runs well when you comment it out.
A .dll file, as well as several other MATLAB files, must be downloaded separately for the primary installation of REFPROP, please use the link below to see the installation instructions:
Please click the hyper-linked files on this webpage to download these files and move them into your REFPROP installation folder (C:/Program Files (x86)/REFPROP).
Once these files are in your folder, execute the following commands to determine if your installation is set up correctly:
>> refpropm('T','P',101.325,'Q',0,'WATER')
>> waterTables = twoPhaseFluidTables([25,4000],[0.01,15],25,25,60,'water','C:\Program Files\REFPROP\')
Hope this helps!

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