A Reference Correlation for the Viscosity of Krypton From Entropy Scaling

Polychroniadou, Sofia; Antoniadis, Konstantinos; Assael, Marc J.; Bell, Ian H.

doi:10.1007/s10765-021-02927-5

Cited by 11 publications

(5 citation statements)

References 67 publications

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“…However, there also are methods that use theory to develop the residual term, namely the entropy-scaling approach 256 , 257 and the friction-theory approach. 286 These have not yet been extensively used in developing reference correlations 136 , 147 , 243 , 287 but may play a larger role in the future.…”

Section: Models For Transport and Miscellaneous Properties Of Pure Fl...mentioning

confidence: 99%

The NIST REFPROP Database for Highly Accurate Properties of Industrially Important Fluids

Huber

Lemmon

Bell

et al. 2022

Ind. Eng. Chem. Res.

126

100

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The NIST REFPROP software program is a powerful tool for calculating thermophysical properties of industrially important fluids, and this manuscript describes the models implemented in, and features of, this software. REFPROP implements the most accurate models available for selected pure fluids and their mixtures that are valid over the entire fluid range including gas, liquid, and supercritical states, with the goal of uncertainties approaching the level of the underlying experimental data. The equations of state for thermodynamic properties are primarily of the Helmholtz energy form; a variety of models are implemented for the transport properties. We document the models for the 147 fluids included in the current version. A graphical user interface generates tables and provides extensive plotting capabilities. Properties can also be accessed through third-party apps or user-written code via the core property subroutines compiled into a shared library. REFPROP disseminates international standards in both the natural gas and refrigeration industries, as well as standards for water/steam.

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Section: Models For Transport and Miscellaneous Properties Of Pure Fl...mentioning

confidence: 99%

The NIST REFPROP Database for Highly Accurate Properties of Industrially Important Fluids

Huber

Lemmon

Bell

et al. 2022

Ind. Eng. Chem. Res.

126

100

View full text Add to dashboard Cite

show abstract

“…7. Indeed, the new correlation that uses the excess entropy scaling [81] (solid curve) is closer to the LJ FDS (circles) than the results from REFPROP 10 (dashed curve). This example also demonstrates that significant deviations from the freezing density scaling may be considered as a signal to scrutinize the consistency of this data.…”

Section: Melting Curvementioning

confidence: 85%

“…This is not seen in REFPROP data, apparently because the corresponding isotherms are further away from the critical one. Nevertheless, we observe that the reduced thermal conductivity coefficient λ R at T = 1.25T c is systematically larger than that at T = 1.50T c at near-critical densities, which can be an- Dashed curve corresponds to REFPROP 10, solid curve is calculated using a reference correlation from the excess entropy scaling [81]. Symbols correspond to LJ FDS using reference data for the LJ fluid isotherm T * = 1.5 [75].…”

Section: Melting Curvementioning

confidence: 89%

“…[74] as well as LJ FDS. On the other hand, in a recent paper [81] it has been demonstrated that the dependence of the reduced excess component of the viscosity of krypton on the excess entropy is very well correlated with that of the LJ fluid. This suggests that an improved model of the viscosity of krypton can be more consistent with the LJ scaling.…”

Section: Melting Curvementioning

confidence: 95%

“…(Color online) Reduced viscosity of liquid krypton at T = 150 K as a function of mass density ρm. Dashed curve corresponds to REFPROP 10, solid curve is calculated using a reference correlation from the excess entropy scaling[81]. Symbols correspond to LJ FDS using reference data for the LJ fluid isotherm T * = 1.5[75].…”

mentioning

confidence: 99%

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Freezing density scaling of fluid transport properties: Application to liquefied noble gases

Khrapak

2022

The Journal of Chemical Physics

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A freezing density scaling of transport properties of the Lennard-Jones fluid is rationalized in terms of the Rosenfeld's excess entropy scaling and isomorph theory of Roskilde-simple systems. Then, it is demonstrated that the freezing density scaling operates reasonably well for viscosity and thermal conductivity coefficients of liquid argon, krypton, and xenon. Quasi-universality of the reduced transport coefficients at their minima and at freezing conditions is discussed. The magnitude of the thermal conductivity coefficient at the freezing point is shown to agree remarkably well with the prediction of the vibrational model of thermal transport in dense fluids.

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A Helmholtz Energy Equation of State for cis-1-Chloro-2,3,3,3-tetrafluoro-1-propene [R-1224yd(Z)]

Akasaka,

Lemmon

2023

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A Reference Correlation for the Viscosity of Krypton From Entropy Scaling

Cited by 11 publications

References 67 publications

The NIST REFPROP Database for Highly Accurate Properties of Industrially Important Fluids

The NIST REFPROP Database for Highly Accurate Properties of Industrially Important Fluids

Freezing density scaling of fluid transport properties: Application to liquefied noble gases

A Helmholtz Energy Equation of State for cis-1-Chloro-2,3,3,3-tetrafluoro-1-propene [R-1224yd(Z)]

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