While Version 10 is the current standard, remains in use for legacy compatibility and specific research workflows. The following comprehensive guide details the installation, system configuration, and common troubleshooting steps for setting up REFPROP 9.1. 1. Core Installation and System Requirements
NIST REFPROP (Reference Fluid Thermodynamic and Transport Properties) is the industry standard for calculating the thermophysical properties of fluids and fluid mixtures. While newer versions exist, REFPROP 9.1 remains widely used in engineering, research, and academic environments due to its stability and legacy integration with external software.
For 64-bit Windows, the default is usually: C:\Program Files (x86)\REFPROP refprop 91 install
To install REFPROP 9.1, you need to download the software from the NIST website. Follow these steps:
How to Install and Configure NIST REFPROP 9.1: A Complete Guide While Version 10 is the current standard, remains
Most users utilize REFPROP via the Excel Add-in. Here is how to enable it: Open Excel and go to .
The (Python, MATLAB, Excel, etc.) you want to link REFPROP to Follow these steps: How to Install and Configure
In your script, you will point the wrapper to your C:\Program Files (x86)\REFPROP directory to load the high-accuracy NIST fluid files. 5. Troubleshooting Common Issues
If using the CAPE-OPEN interface or certain COM objects, you may need to manually register the DLL using regsvr32.exe refpropco.dll in a command prompt. 3. Integrating with Excel
: Leave the default folder name as REFPROP and click Next .
At the bottom, select from the "Manage" dropdown and click Go .