Nist Refprop 9 May 2026

: Beyond its graphical user interface (GUI), it is accessible via an Excel spreadsheet add-in, FORTRAN DLL, and sample code for Python, C++, and MATLAB. Industry Applications

For many engineers, the most valuable feature of Version 9 was its seamless integration with Microsoft Excel. REFPROP 9 installs as an Excel Add-In, allowing users to call fluid properties directly inside spreadsheet cells using custom formulas (e.g., =RP("TP","D", T, P, Fluid) ). This functionality allows for rapid parametric studies and system modeling without learning a complex coding language. nist refprop 9

Version 9.0 introduced updated equations of state for fluids like cyclopentane, R-1234yf, and R-1234ze(E), and expanded the number of binary mixtures with interaction parameters from 303 to 639. Technical Architecture : Beyond its graphical user interface (GUI), it

This article provides a comprehensive deep dive into NIST REFPROP 9: its core features, the science behind it, its practical applications, and how it compares to its successors (REFPROP 10 and 10.0). This functionality allows for rapid parametric studies and