The installation of NIST REFPROP 9.1 (Reference Fluid Thermodynamic and Transport Properties) is a critical step for engineers and researchers who need high-accuracy fluid data. While now superseded by Version 10, Version 9.1 remains a staple in many legacy academic and industrial environments. 1. System Requirements & Preparation
Ensure EES points to the correct REFPROP version via Options > REFPROP Path. refprop 91 install
After the file copy completes, the installer will prompt: “Please locate your REFPROP.LIC file.” The installation of NIST REFPROP 9
If you need help with installation steps, common errors (e.g., missing MSVC runtime, DLL registration issues, or license file placement), let me know — I can walk through those as well. System Requirements & Preparation Ensure EES points to
Article last updated: 2025 – for informational purposes. NIST REFPROP is a registered trademark of the National Institute of Standards and Technology.