Bell, I.
(2024),
Superancillary Equations for the Multiparameter EOS in REFPROP 10.0, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.1063/5.0191228, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=956905
(Accessed September 26, 2024)
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Superancillary Equations for the Multiparameter EOS in REFPROP 10.0
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Abstract
Superancillary equations have been developed for the default multiparameter equations of state (EOS) for all 147 pure fluids in NIST REFPROP 10.0. These superancillary equations represent the orthobaric densities and saturation pressure of the EOS by Chebyshev expansions to an accuracy better than the iterative calculations in REFPROP and are hundreds to thousands of times faster to evaluate than a full iterative calculation. The C++ code required to develop and test the EOS is provided in the supporting information. The methodology is straightforwardly extensible to new multiparameter EOS, establishing a new paradigm for the evaluation of vapor-liquid equilibria for pure fluids.Citation
J. Phys. & Chem. Ref. Data (JPCRD) -
Volume
53
NIST Pub Series
Pub Type
NIST Pubs
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Created March 8, 2024, Updated September 10, 2024