rho = Density(Water, T=300, P=101.3)
This usually means the system cannot find REFPROP.DLL . Ensure the installation folder is correctly added to your Windows System Path (see Section 3). refprop 91 install
Even following the steps perfectly, you may encounter errors. Here are the most frequent issues with and their solutions. rho = Density(Water, T=300, P=101
Navigate to Start Menu > NIST REFPROP 9.1 > REFPROP . The application should open, showing a window titled “NIST Reference Fluid Thermodynamic and Transport Properties Database.” Here are the most frequent issues with and their solutions
Many users utilize REFPROP as a backend for Excel or MATLAB.
For engineers and researchers, running property calculations in Excel is far more efficient than using the standalone REFPROP interface. The installer’s ability to saves hours of troubleshooting path variables or compatibility issues (especially on 32-bit vs 64-bit Office).
Restart your computer if the installer prompts you to do so. 💻 Linking REFPROP to Other Software