561 lines
27 KiB
Plaintext
561 lines
27 KiB
Plaintext
Neon !Short name
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7440-01-9 !CAS number
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Neon !Full name
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Ne !Chemical formula {Ne}
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R-720 !Synonym
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20.179 !Molar mass [g/mol]
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24.5561 !Triple point temperature [K] (Bedford et al., Metrologia, 33:133, 1996.)
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27.1000 !Normal boiling point [K] (all digits are significant!)
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44.4 !Critical temperature [K]
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2661.63 !Critical pressure [kPa]
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24.1 !Critical density [mol/L]
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-0.0355 !Acentric factor
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0.0 !Dipole moment [Debye]; (exactly zero for monatomic molecules)
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NBP !Default reference state
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10.0 !Version number
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1065, 1913 !UN Number :UN:
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cryogen !Family :Family:
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0.0 !Heating value (upper) [kJ/mol] :Heat:
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A1 !Safety Group (ASHRAE Standard 34, 2010) :Safety:
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1S/Ne !Standard InChI String :InChi:
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GKAOGPIIYCISHV-UHFFFAOYSA-N !Standard InChI Key :InChiKey:
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8d757b40 (hydrogen) !Alternative fluid for mixing rules :AltID:
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b912fce0 !Hash number from InChI Key :Hash:
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!The fluid files contain general information about the fluid in the first 15 to 20 lines, followed by sections for the
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! equations of state, transport equations, and auxiliary equations. Equations of state are listed first. The NIST recommended
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! equations begin with a hash mark (#). The secondary equations begin with the @ symbol. These symbols can be swapped to
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! select a secondary equation as primary and the primary as secondary. The equation of state section also contains auxiliary
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! equations for the ideal gas heat capacity or ideal gas Helmholtz energy. Below the equations of state (both primary and
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! secondary) are the transport equations, first viscosity and then thermal conductivity. These are then followed by the
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! secondary equations if available. The transport section also contains auxiliary equations required to calculate either the
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! dilute gas state or the critical enhancement. At the end of the file are additional but not necessary auxiliary equations,
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! including simple equations for the vapor pressure, saturated liquid and vapor densities, melting line (for some fluids), and
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! sublimation line (for even fewer fluids). This section also contains the equations for dielectric constant and surface
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! tension if available. The sections are divided by different symbols (these being _-+=^*~) to aid the eye in locating a
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! particular section. Secondary equations are indented 10 spaces to avoid confusion with the NIST recommended equations. The
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! end of the fluid file is marked with @END. Anything below that is ignored.
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! compiled by E.W. Lemmon, NIST Physical and Chemical Properties Division, Boulder, Colorado
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! 12-03-97 EWL, Original version.
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! 03-27-00 EWL, Add viscosity equation of Rabinovich.
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! 08-05-04 EWL, Add Harvey and Lemmon dielectric correlation.
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! 11-10-04 EWL, Add sublimation line.
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! 01-30-07 EWL, Change triple point from 24.562 to 24.556 in accordance with Bedford et al., Metrologia, 33:133, 1996.
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! 03-05-10 EWL, Add melting line and increase maximum density.
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! 07-13-10 CKL, Add ancillary equations.
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! 10-15-10 MLH, Revise lower temp limit on visc and therm. cond.
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! 12-06-12 EWL, Add surface tension coefficients of Mulero et al. (2012).
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! 07-20-16 MLH, Add ECS fit coefficients, revised LJ par.
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! 02-25-17 MLH, Revise ECS.
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! 05-15-17 EWL, Change the hard coded VS0 model to the VS7 reverse Polish notation.
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! 12-11-17 MLH, Adjust dilute gas ecs viscosity to match ref. value at 25 C from Berg and Moldover, JPCRD 41(4) 043104 (2012).
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! 02-13-18 MLH, Adjust dilute k due to adjusted viscosity from the change listed one line up.
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! 02-16-18 IHB, Adjust sublimation curve from Brown to match triple point (w/ AHH).
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! 03-15-18 MT, Add new equation of state of Thol et al. (2018).
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! 04-02-18 MLH, Redo thermal conductivity and viscosity with new EOS of Thol.
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________________________________________________________________________________
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#EOS !---Equation of state---
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FEQ !Helmholtz equation of state for neon of Thol et al. (2018).
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:TRUECRITICALPOINT: 44.4 24.1 !True EOS critical point [K, mol/L] (where dP/dD=0 and d^2P/dD^2=0 at constant T)
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:DOI:
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Thol, M., Beckmüller, R., Weiss, R., Harvey, A.H., Lemmon, E.W., Jacobsen, R.T, and Span, R.,
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? "Thermodynamic Properties for Neon for Temperatures from the Triple
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? Point to 700 K at Pressures to 700 MPa,"
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? to be submitted to Int. J. Thermophys., 2018.
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?
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!```````````````````````````````````````````````````````````````````````````````
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24.5561 !Lower temperature limit [K]
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725.0 !Upper temperature limit [K]
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1000000.0 !Upper pressure limit [kPa]
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99.62 !Maximum density [mol/L]
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CPP !Pointer to Cp0 model
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20.179 !Molar mass [g/mol]
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24.5561 !Triple point temperature [K]
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43.355 !Pressure at triple point [kPa]
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61.931 !Density at triple point [mol/L]
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27.1000 !Normal boiling point temperature [K] (all digits are significant!)
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-0.0355 !Acentric factor
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44.4 2661.63 24.1 !Tc [K], pc [kPa], rhoc [mol/L]
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44.4 24.1 !Reducing parameters [K, mol/L]
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8.3144598 !Gas constant [J/mol-K]
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11 4 6 12 0 0 0 0 0 0 0 0 !# terms and # coefs/term for normal terms, Gaussian terms, and Gao terms
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0.031522418 1. 4. 0. !a(i),t(i),d(i),l(i)
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3.7716418 0.431 1. 0.
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-4.27399448 0.592 1. 0.
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-0.756466758 1.105 2. 0.
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0.066679921 0.49 3. 0.
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-0.356928434 2.3 1. 2.
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-0.053124761 3.18 3. 2.
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0.9407234 1.36 2. 1.
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-0.969302374 2. 2. 2.
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0.461243234 0.5 4. 1.
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0.008184422 1.12 7. 1.
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7.84771604 0.41 1. 2. 2. -0.76 -0.537 1.997 0.5775 0. 0. 0.
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6.39604094 0.64 1. 2. 2. -2.126 -0.765 1.782 0.9137 0. 0. 0.
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-1.27480579 0.579 3. 2. 2. -2.168 -0.883 1.663 0.7895 0. 0. 0.
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-5.51887999 0.6 2. 2. 2. -2.033 -0.751 1.837 0.6229 0. 0. 0.
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-8.76652276 0.52 1. 2. 2. -0.743 -0.531 1.953 0.4992 0. 0. 0.
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-0.351732709 0.655 2. 2. 2. -4.38 -11.4 1.658 0.869 0. 0. 0.
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#AUX !---Auxiliary function for Cp0
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CPP !Ideal gas heat capacity function for neon of Thol et al. (2018).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Thol, M., Beckmüller, R., Weiss, R., Harvey, A.H., Lemmon, E.W., Jacobsen, R.T, and Span, R., 2018.
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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1.0 8.3144598 !Reducing parameters for T, Cp0
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1 0 0 0 0 0 0 !Nterms: polynomial, exponential, cosh, sinh
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2.5 0.0
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#AUX !---Auxiliary function for PX0
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PX0 !Helmholtz energy ideal-gas function for neon of Thol et al. (2018).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Thol, M., Beckmüller, R., Weiss, R., Harvey, A.H., Lemmon, E.W., Jacobsen, R.T, and Span, R., 2018.
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?
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!```````````````````````````````````````````````````````````````````````````````
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1 2 0 0 0 0 0 0 !Nterms: ai*log(tau**ti); ai*tau**ti; ai*log(1-exp(bi*tau))
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1.5 1.0 !ai, ti for [ai*log(tau**ti)] terms
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-3.0384719151147275 0.0 !aj, ti for [ai*tau**ti] terms
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3.253690479855404 1.0 !aj, ti for [ai*tau**ti] terms
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--------------------------------------------------------------------------------
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@EOS !---Equation of state---
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FE1 !Helmholtz equation of state for neon of Katti et al. (1986).
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:DOI: 10.1007/978-1-4613-2213-9_132
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Katti, R.S., Jacobsen, R.T, Stewart, R.B., and Jahangiri, M.,
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? "Thermodynamic Properties for Neon for Temperatures from the Triple
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? Point to 700 K at Pressures to 700 MPa,"
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? Adv. Cryo. Eng., 31:1189-1197, 1986. doi: 10.1007/978-1-4613-2213-9_132
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?
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?The uncertainties of the equation of state are 0.1% in density, 2% in heat
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? capacity, and 1% in the speed of sound, except in the critical region.
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? The uncertainty in vapor pressure is 0.2%.
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?
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!```````````````````````````````````````````````````````````````````````````````
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24.556 !Lower temperature limit [K]
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700.0 !Upper temperature limit [K]
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700000.0 !Upper pressure limit [kPa]
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90.56 !Maximum density [mol/L]
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CP1 !Pointer to Cp0 model
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20.179 !Molar mass [g/mol]
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24.556 !Triple point temperature [K]
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43.368 !Pressure at triple point [kPa]
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62.059 !Density at triple point [mol/L]
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27.104 !Normal boiling point temperature [K]
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-0.0387 !Acentric factor
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44.4918 2678.6 23.882 !Tc [K], pc [kPa], rhoc [mol/L]
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44.4918 23.882 !Reducing parameters [K, mol/L]
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8.31434 !Gas constant [J/mol-K]
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29 4 0 0 0 0 0 0 0 0 0 0 !# terms and # coefs/term for normal terms, Gaussian terms, and Gao terms
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3.532653449 0.5 1. 0. !a(i),t(i),d(i),l(i)
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-4.513954384 0.75 1. 0.
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-0.1524027959 3.5 1. 0.
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2.188568609 0.5 2. 0.
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-7.44299997 0.75 2. 0.
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7.755627402 1.0 2. 0.
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-3.122553128 1.5 2. 0.
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1.014206899 2.5 2. 0.
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-0.05289214086 0.25 3. 0.
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0.1566849239 0.5 3. 0.
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-0.222852705 2.5 3. 0.
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-0.01410150942 1.0 4. 0.
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0.07036229719 3.0 4. 0.
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-0.05882048367 4.0 4. 0.
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0.01571172741 5.0 4. 0.
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0.001292202769 1.0 6. 0.
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0.0007902035603 5.0 6. 0.
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-0.0003794403616 6.0 6. 0.
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0.04652799333 4.0 1. 3.
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0.04524001818 1.0 2. 2.
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-0.2383421991 5.0 2. 2.
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0.00629359013 8.0 2. 4.
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-0.001272313644 12.0 2. 6.
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-0.175235256e-6 32.0 2. 6.
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0.007188419232 10.0 4. 2.
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-0.05403006914 6.0 8. 2.
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0.07578222187 7.0 8. 2.
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-0.03808588254 8.0 8. 2.
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0.006034022431 9.0 8. 2.
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@AUX !---Auxiliary function for Cp0
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CP1 !Ideal gas heat capacity function for neon of Katti et al. (1986).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Katti, R.S., Jacobsen, R.T, Stewart, R.B., and Jahangiri, M.,
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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1.0 8.31434 !Reducing parameters for T, Cp0
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1 0 0 0 0 0 0 !Nterms: polynomial, exponential, cosh, sinh
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2.5 0.0
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@AUX !---Auxiliary function for PH0
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PH1 !Ideal gas Helmholtz form for neon.
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Katti, R.S., Jacobsen, R.T, Stewart, R.B., and Jahangiri, M.,
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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1 2 0 0 0 0 0 0 !Nterms: ai*log(tau**ti); ai*tau**ti; ai*log(1-exp(bi*tau)); cosh; sinh
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1.5 1.0 !ai, ti for [ai*log(tau**ti)] terms
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-3.0597521577 0.0 !aj, ti for [ai*tau**ti] terms
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3.2525230449 1.0
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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#TRN !---ECS Transport---
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ECS !Extended Corresponding States model (Nitrogen reference); fit to limited data for neon.
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:DOI: 10.6028/NIST.IR.8209
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?
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?```````````````````````````````````````````````````````````````````````````````
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?*** ESTIMATION METHOD *** NOT STANDARD REFERENCE QUALITY ***
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?Huber, M.L., "Models for the Viscosity, Thermal Conductivity, and Surface Tension
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? of Selected Pure Fluids as Implemented in REFPROP v10.0," NISTIR 8209, 2018.
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? doi: 10.6028/NIST.IR.8209
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?
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?VISCOSITY
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? Forster, S., "Viscosity Measurements in Liquid Neon, Argon, and Nitrogen," Cryogenics, 3, 176, 1963.
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? Slusar', V.P., Rudenko, N.S., and Tret'yakov, V.M., "Experimental Study of the Viscosity of Simple Substances along the Saturation Curve and under Pressure," Ukr. Fiz. Zh., 18:190-194, 1973. Based on comparisons with data sources above, estimated uncertainty in liquid phase is 10% along the saturation boundary, 10% along the vapor saturation boundary, 3% for atmospheric pressure, and 4% at pressures to 80 MPa.
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?
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?Data sources for liquid thermal conductivity:
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? Bewilogua, L and Yamashira, T., J., Low Temp. Phys., Vol 8, pp. 255-263, 1972. Estimated uncertainty in saturated liquid thermal conductivity is 5%, 3% in the gas phase at atmospheric pressure.
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?
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?The Lennard-Jones parameters were taken from Kestin, J., Ro, S.T., and Wakeham, W.A., "Viscosity of the Binary Gaseous Mixtures He-Ne and Ne-N2 in the Temperature Range 25-700°C," J. Chem. Phys., 56(12):5837-5842, 1972. doi: 10.1063/1.1677125
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?
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!```````````````````````````````````````````````````````````````````````````````
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24.5561 !Lower temperature limit [K]
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725.0 !Upper temperature limit [K]
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100000.0 !Upper pressure limit [kPa]
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70.0 !Maximum density [mol/L]
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FEQ NITROGEN.FLD
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VS1 !Model for reference fluid viscosity
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TC1 !Model for reference fluid thermal conductivity
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BIG !Large molecule identifier
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0.989544 0. 0. 0. !Large molecule parameters
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1 !Lennard-Jones flag (0 or 1) (0 => use estimates)
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0.2707 !Lennard-Jones coefficient sigma [nm] for ECS method
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45.58 !Lennard-Jones coefficient epsilon/kappa [K] for ECS method
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1 0 0 !Number of terms in f_int term in Eucken correlation, spare1, spare2
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0.00132 0. 0. 0. !Coefficient, power of T, spare1, spare2 dummy; this term is zero
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2 0 0 !Number of terms in psi (visc shape factor): poly,spare1,spare2
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1.12101 0. 0. 0. !Coefficient, power of Tr, power of Dr, spare
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-0.0388911 0. 1. 0. !Coefficient, power of Tr, power of Dr, spare
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2 0 0 !Number of terms in chi (t.c. shape factor): poly,spare1,spare2
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0.83 0. 0. 0. !Coefficient, power of Tr, power of Dr, spare
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0.0 0. 1. 0. !Coefficient, power of Tr, power of Dr, spare
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TK3 !Pointer to critical enhancement auxiliary function
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#AUX !---Auxiliary function for the thermal conductivity critical enhancement
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TK3 !Simplified thermal conductivity critical enhancement for neon of Perkins et al. (2013).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Perkins, R.A., Sengers, J.V., Abdulagatov, I.M., and Huber, M.L.,
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? "Simplified Model for the Critical Thermal-Conductivity Enhancement in Molecular Fluids,"
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? Int. J. Thermophys., 34(2):191-212, 2013. doi: 10.1007/s10765-013-1409-z
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?
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!```````````````````````````````````````````````````````````````````````````````
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0. !
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10000. !
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0. !
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0. !
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9 0 0 0 !# terms: CO2-terms, spare, spare, spare
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1.0 1.0 1.0 !Reducing parameters for T, rho, tcx [mW/(m-K)]
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0.63 !Nu (universal exponent)
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1.239 !Gamma (universal exponent)
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1.02 !R0 (universal amplitude)
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0.063 !Z (universal exponent--not used for t.c., only viscosity)
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1.0 !C (constant in viscosity eqn = 1/[2 - (alpha + gamma)/(2*nu)], but often set to 1)
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0.131e-9 !Xi0 (amplitude) [m]
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0.060 !Gam0 (amplitude) [-]
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0.331e-9 !Qd_inverse (modified effective cutoff parameter) [m]
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66.74 !Tref (reference temperature)=1.5*Tc [K]
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********************************************************************************
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@ETA !---Viscosity---
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VS7 !Pure fluid viscosity model for neon of Rabinovich et al. (1988).
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?
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?```````````````````````````````````````````````````````````````````````````````
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?Rabinovich, V.A., Vasserman, A.A., Nedostup, V.I., and Veksler, L.S.,
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? "Thermophysical Properties of Neon, Argon, Krypton, and Xenon,"
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? Hemisphere Publishing Corp., 1988.
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?
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?The numbers calculated here do not exactly match those given by Rabinovich.
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? The ECS model is currently the preferred model.
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?
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!```````````````````````````````````````````````````````````````````````````````
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24.57 !Lower temperature limit [K]
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700.0 !Upper temperature limit [K]
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700000.0 !Upper pressure limit [kPa]
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62.06 !Maximum density [mol/L]
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NUL !Pointer to the viscosity critical enhancement auxiliary function (none used)
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!
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!Define variables
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$VR RED SUM:5 SUM:6 TEMP CNST / LOG10 * - CUBE CNST * DENS * =DEL
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!
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!Residual function etat----->!
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$RF RED SUM:1 LOG10 CNST * SUM:6 + INV CNST * CNST TEMP * SQRT * SUMDEL:6 *
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!
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!Coefficients
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$CF
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1.0 1. 82.907973636 0. 0 !Reducing parameters for eta, T, rho
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1.03010 0. 0. 0. 0 ! c
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-0.99175 0. 1. 0. 0
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2.47127 0. 2. 0. 0
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-3.11864 0. 3. 0. 0
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1.57066 0. 4. 0. 0
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0.48148 0. 0. 0. 0 ! b
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-1.18732 0. 1. 0. 0
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2.80277 0. 2. 0. 0
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-5.41058 0. 3. 0. 0
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7.04779 0. 4. 0. 0
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-3.76608 0. 5. 0. 0
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122.1 0. 0. 0. 0
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0.035785660797684 0. 0. 0. 0
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0.01 0.29944 1. 0. 0 !Reducing parameters for eta, T, rho
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1. 1. 0. 0. 0
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-2.78751 0. 0. 0. 0 ! a
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17.67484 0. 0. 0. 0
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311498.7 -2. 0. 0. 0
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-48826500. -3. 0. 0. 0
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3938774000. -4. 0. 0. 0
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-1.654629e+11 -5. 0. 0. 0
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2.86561e+12 -6. 0. 0. 0
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390.69978483921 0. 0. 0. 0
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20.179 0. 0. 0. 0
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1.0 0. 0. 0. 0
|
|
0.27676 0. 1 0. 0 ! d
|
|
0.014355 0. 2 0. 0
|
|
2.6480 0. 3 0. 0
|
|
-1.9643 0. 4 0. 0
|
|
0.89161 0. 5 0. 0
|
|
NUL !Pointer to the viscosity critical enhancement auxiliary function (none used)
|
|
|
|
|
|
|
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
#STN !---Surface tension---
|
|
ST1 !Surface tension model for neon of Mulero et al. (2012).
|
|
:DOI: 10.1063/1.4768782
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Mulero, A., Cachadiña, I., and Parra, M.I.,
|
|
? "Recommended Correlations for the Surface Tension of Common Fluids,"
|
|
? J. Phys. Chem. Ref. Data, 41(4), 043105, 2012. doi: 10.1063/1.4768782
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
3 !Number of terms in surface tension model
|
|
44.4918 !Critical temperature used in fit (dummy)
|
|
0.012254 1.4136 !Sigma0 and n
|
|
0.02728 1.4517
|
|
-0.025715 1.6567
|
|
|
|
|
|
#DE !---Dielectric constant---
|
|
DE3 !Dielectric constant model for neon of Harvey and Lemmon (2005).
|
|
:DOI: 10.1007/s10765-005-2351-5
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Harvey, A.H. and Lemmon, E.W.,
|
|
? "Method for Estimating the Dielectric Constant of Natural Gas Mixtures,"
|
|
? Int. J. Thermophys., 26(1):31-46, 2005. doi: 10.1007/s10765-005-2351-5
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
273.16 1000.0 1.0 !Reducing parameters for T and D
|
|
0 1 4 0 0 0 !Number of terms in dielectric constant model
|
|
0.9969 0. 1. 0. !Coefficient, T exp, D exp
|
|
-0.109 0. 2. 0.
|
|
0.0708 1. 2. 0.
|
|
-2.880 0. 3. 0.
|
|
-1.0 1. 3. 0.
|
|
|
|
|
|
#MLT !---Melting line---
|
|
ML1 !Melting line model for neon of Lemmon (2010).
|
|
:DOI:
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Lemmon, E.W., preliminary equation, 2010.
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
24.556 43.36814 !Reducing temperature and pressure
|
|
1 1 0 0 0 0 !Number of terms in melting line equation
|
|
1.0 0.0 !Coefficients and exponents
|
|
4437.0 1.33
|
|
|
|
|
|
#SBL !---Sublimation line---
|
|
SB2 !Sublimation line model for neon of Brown and Zeigler (2009).
|
|
:DOI: 10.1007/978-1-4613-9856-1_76
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Based on G.N. Brown and W.T. Ziegler, Adv. Cryo. Eng., 25:662-670, 1979.
|
|
? Modified to match the triple point of the equation of state.
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
1.0 1000.0 !Reducing temperature and pressure
|
|
5 0 0 0 0 0 !Number of terms in sublimation line equation
|
|
8.3071 0.0 !Coefficients and exponents
|
|
-3.08555e2 -1.0
|
|
9.8602e2 -2.0
|
|
-9.0693e3 -3.0
|
|
3.5142e4 -4.0
|
|
|
|
|
|
#PS !---Vapor pressure---
|
|
PS5 !Vapor pressure equation for neon of Thol et al. (2018)
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Thol, M., Beckmüller, R., Weiss, R., Harvey, A.H., Lemmon, E.W., Jacobsen, R.T, and Span, R., 2018.
|
|
?
|
|
?Functional Form: P=Pc*EXP[SUM(Ni*Theta^ti)*Tc/T] where Theta=1-T/Tc, Tc and Pc
|
|
? are the reducing parameters below, which are followed by rows containing Ni and ti.
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
44.4 2661.63 !Reducing parameters
|
|
5 0 0 0 0 0 !Number of terms in equation
|
|
-5.778 1.0
|
|
1.113 1.5
|
|
-1.2573 4.76
|
|
0.792 14.6
|
|
-1.338 17.0
|
|
|
|
|
|
#DL !---Saturated liquid density---
|
|
DL1 !Saturated liquid density equation for neon of Thol et al. (2018)
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Thol, M., Beckmüller, R., Weiss, R., Harvey, A.H., Lemmon, E.W., Jacobsen, R.T, and Span, R., 2018.
|
|
?
|
|
?Functional Form: D=Dc*[1+SUM(Ni*Theta^ti)] where Theta=1-T/Tc, Tc and Dc are
|
|
? the reducing parameters below, which are followed by rows containing Ni and ti.
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
44.4 24.1 !Reducing parameters
|
|
6 0 0 0 0 0 !Number of terms in equation
|
|
5.96854 0.53
|
|
-17.1 0.9
|
|
41.99 1.3
|
|
-58.941 1.72
|
|
43.481 2.19
|
|
-13.246 2.72
|
|
|
|
|
|
#DV !---Saturated vapor density---
|
|
DV3 !Saturated vapor density equation for neon of Thol et al. (2018)
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Thol, M., Beckmüller, R., Weiss, R., Harvey, A.H., Lemmon, E.W., Jacobsen, R.T, and Span, R., 2018.
|
|
?
|
|
?Functional Form: D=Dc*EXP[SUM(Ni*Theta^ti)] where Theta=1-T/Tc, Tc and Dc are
|
|
? the reducing parameters below, which are followed by rows containing Ni and ti.
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
0. !
|
|
10000. !
|
|
0. !
|
|
0. !
|
|
44.4 24.1 !reducing parameters
|
|
6 0 0 0 0 0 !Number of terms in equation
|
|
-6.0978 0.536 !coefficients and exponents
|
|
14.88 0.94
|
|
-43.06 1.367
|
|
54.34 1.835
|
|
-38.337 2.37
|
|
-36.59 7.17
|
|
|
|
|
|
@END
|
|
c 1 2 3 4 5 6 7 8
|
|
c2345678901234567890123456789012345678901234567890123456789012345678901234567890
|
|
|
|
|
|
@ETA !Viscosity model specification
|
|
VS0 pure fluid viscosity model of Rabinovich et al. (1988).
|
|
?
|
|
?```````````````````````````````````````````````````````````````````````````````
|
|
?Rabinovich, V.A., Vasserman, A.A., Nedostup, V.I., and Veksler, L.S.,
|
|
? "Thermophysical Properties of Neon, Argon, Krypton, and Xenon,"
|
|
? Hemisphere Publishing Corp., 1988.
|
|
?
|
|
?The numbers calculated here do not exactly match those given by Rabinovich.
|
|
? The ECS model is currently the preferred model.
|
|
?
|
|
!```````````````````````````````````````````````````````````````````````````````
|
|
24.57 !Lower temperature limit [K]
|
|
700.0 !Upper temperature limit [K]
|
|
700000.0 !Upper pressure limit [kPa]
|
|
62.06 !Maximum density [mol/L]
|
|
NEO !Pointer to hardcoded thermal conductivity model
|
|
0 0 0 0 0 0 0 0 !Number of terms for various pieces
|
|
NUL !Pointer to the viscosity critical enhancement auxiliary function (none used)
|