![]() Therefore, the objective of the current paper is to check if these deficiencies have been fixed, because in nuclear engineering as well as other areas only a conservative approach can be used, i.e., all peak values should be the minimum possible ones. Natural gas: The REFPROP program has the standards used in the gas industry, and in addition, the. ![]() #Nist refprop program upgrade#In the previous version(s) of the NIST REFPROP 9.1 and higher, three basic thermophysical properties such as specific heat, thermal conductivity, and volumetric expansivity have infinite peak values in the critical point, which was a theoretical approach. REFPROP For Reference Fluid Thermodynamic Features: Low GWP Fluids: NIST members play an active role in calculating and developing the physical-thermal properties of low-GWP fluids, and these results have been achieved in global collaboration. NIST Reference Fluid Thermodynamic and Transport Properties Database v10 - Upgrade from previous version. The most complicated properties calculations are in the critical point, where all thermophysical properties are subjected to very significant variations, i.e., almost vertical drops or rises or have peaking functions. file : CD for computer : Program : English : Version 9.0View all editions and formats. This version includes 147 pure fluids, 5 pseudo-pure fluids (e.g., air, etc.), and mixtures with up to 20 components. NIST reference thermodynamic and transport properties - REFPROP. ![]() Properties of Refrigerants and Refrigerant Mixtures Database, REFPROP, Version 4.01 (Nail. Reaction thermochemistry data for over 8000 reactions. Just two years ago, i.e., in 2018, the latest version was released – Ver. NIST Mixture Property Program, NIST14, Version 9.08 (Natl. The REFPROP program developed by the National Institute of Standards and Technology (NIST) is a widely-used database for industrial fluid properties. The NIST Chemistry WebBook provides access to data compiled and distributed by NIST under the Standard Reference Data Program. Time from time this program is updated with new fluids, or/and a wider range of pressures and temperatures, or/and with improved equations/correlations. For tens of years, the NIST REFPROP program is used for these calculations, which can be possibly considered as the best one in the world. The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high-quality copy of the program and database and to verify that the method and the data contained therein have been selected on the basis of sound scientific judgment.Any heat transfer or thermodynamics calculations as well as many other calculations require a solid knowledge of various physical/thermophysical/thermodynamics properties of various fluids (liquids, vapours, and gases) within a wide range of pressures and temperatures from lower ones and up to critical and supercritical ones. ![]() Under contract DE-AI26-06NT42938 for the National Energy Technology Laboratory, U.S. Clathrate Hydrate Physical Property Database NIST Standard Reference Database # 156ĭeveloped by K. ![]()
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