Right-click the setup executable and select "Run as administrator." This is crucial; failing to do so may result in the software being unable to write necessary files to the system directories.
If you encounter issues during installation, here are some troubleshooting tips:
Press Win + R , type sysdm.cpl , and hit to open System Properties.
One of the most common ways to use REFPROP is within Microsoft Excel. To link version 9.1 to Excel: Linking REFPROP with Other Applications refprop 91 install
To install the full version of REFPROP 9.1 on a Windows machine:
In the System Properties window, click the button near the bottom.
Right-click the setup executable and select . This ensures the installer can write to protected directories like Program Files and modify system registry keys. Right-click the setup executable and select "Run as
Before beginning the installation, it is crucial to verify that your system meets the basic requirements and to take a few preparatory steps to avoid common issues. Version 9.1 is a 32-bit application, which affects where the installer will place its files on your system.
The easiest way to use REFPROP 9.1 in Python is by using the ctREFPROP wrapper or utilizing CoolProp as an intermediary wrapper. pip install urllib3 CoolProp Use code with caution.
Right-click the installer file and select . To link version 9
To use REFPROP 9.1 in MATLAB, you need a wrapper file (often provided in the MATLAB subfolder of the installation). In MATLAB, use addpath('C:\Program Files (x86)\REFPROP') . Use the refpropm.m function to call properties.
REFPROP, short for erence Fluid PROP erties, is a program developed and distributed by the National Institute of Standards and Technology (NIST) as Standard Reference Database 23 (SRD 23). It is a cornerstone for engineers and scientists working with refrigerants, hydrocarbons, natural gas, and other industrially important fluids, particularly in fields like HVAC&R, chemical engineering, and energy systems.
Most users utilize REFPROP via the Excel Add-in. Here is how to enable it: Open Excel and go to .
If using a CD, insert it and run the setup file (e.g., D:\NIST2391.EXE ). If you have a downloaded version, double-click the .exe file (often named nist2391.exe ).