📄 argon.fld
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39.948 !molecular weight [g/mol]
83.80 !triple point temperature [K]
68.906 !pressure at triple point [kPa]
35.4 !density at triple point [mol/L]
87.302 !normal boiling point temperature [K]
-0.002 !acentric factor
150.86 4905.8 13.41 !Tc [K], pc [kPa], rhoc [mol/L]
150.86 13.41 !reducing parameters [K, mol/L]
13.418 !gamma
0.0831434 !gas constant [L-bar/mol-K]
32 1 !Nterm, Ncoeff per term
-0.6569731294d-03 0.1822957801d-00 -0.3649470141d+01
0.1232012107d+03 -0.8613578274d+04 0.7978579691d-04
-0.2911489110d-01 0.7581821758d+01 0.8780488169d+04
0.1423145989d-06 0.1674146131d-02 -0.3200447909d-00
0.2561766372d-04 -0.5475934941d-03 -0.4505032058d-00
0.2013254653d-04 -0.1678941273d-06 0.4207329271d-03
-0.5444212996d-05 -0.8004855011d+04 -0.1319304201d+06
-0.4954923930d+02 0.8092132177d+05 -0.9870104061d-01
0.2020441562d+01 -0.1637417205d-03 -0.7038944136d-00
-0.1154324539d-06 0.1555990117d-04 -0.1492178536d-09
-0.1001356071d-07 0.2933963216d-06
#AUX !auxiliary model specification
CP2 ideal gas heat capacity function of Younglove
?LITERATURE REFERENCE \
?Younglove, B.A.,
? "Thermophysical Properties of Fluids. I. Argon, Ethylene,
? Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen,"
? J. Phys. Chem. Ref. Data, Vol. 11, Suppl. 1, pp. 1-11, 1982.
?\
!end of info section
83.80 !lower temperature limit [K]
600.0 !upper temperature limit [K]
0.0 !upper pressure limit [kPa]
0.0 !maximum density [mol/L]
1.0 8.31434 !reducing parameters for T, Cp0
1 0 0 0 0 0 0 !Nterms: polynomial, exponential, cosh, sinh
2.5000000000d+0 0.00d0
#TCX !thermal conductivity model specification
TC1 pure fluid thermal conductivity model of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
?The uncertainty in thermal conductivity is 2%.
?\
!end of info section
83.8058 !lower temperature limit [K]
2000.0 !upper temperature limit [K]
1000000.0 !upper pressure limit [kPa]
50.65 !maximum density [mol/L]
2 0 !# terms for dilute gas function: numerator, denominator
150.687 1.0d-3 !reducing parameters for T, tcx
1.113 0.0 !coeff, power in T
0. -96.0 !coeff, power in T
6 0 !# terms for background gas function: numerator, denominator
150.687 13.40742965 1.0d-3 !reducing parameters for T, rho, tcx
0.808988587735E+01 0.3517 1.0000 0.0000 !coeff, powers of t, rho, exp(rho)
0.282141564450E+02 -0.1308 2.0000 0.0000
-0.177669835303E+01 -4.4438 1.0000 1.0000
-0.668846314430E+02 -0.2799 3.0000 1.0000
0.226891675451E+02 -1.5418 4.0000 2.0000
0.940133443986E+01 -8.8969 2.0000 3.0000
TK3 !pointer to critical enhancement auxiliary function
#AUX !thermal conductivity critical enhancement model
TK3 thermal conductivity critical enhancement of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
!end of info section
83.8058 !lower temperature limit [K]
2000.0 !upper temperature limit [K]
1000000.0 !upper pressure limit [kPa]
50.65 !maximum density [mol/L]
9 0 0 0 !# terms: terms, spare, spare, spare
1.0 1.0 1.0 !reducing par for T, rho, tcx (mW/m-K)
0.630d0 !gnu (universal exponent)
1.2415d0 !gamma (universal exponent)
1.01d0 !R0 (universal amplitude)
0.065d0 !z (universal exponent--not used for t.c., only viscosity)
1.00d0 !c (constant in viscosity eqn = 1/[2 - (alpha + gamma)/(2*nu)], but often set to 1)
0.31088466E-09 !xi0 (amplitude) [m]
0.55000000E-01 !gam0 (amplitude) [-]
0.51260334E-09 !qd_inverse (modified effective cutoff parameter) [m]
301.374 !tref (reference temperature) [K]
#ETA !viscosity model specification
VS1 pure fluid viscosity model of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
?The uncertainty in viscosity is 2%, except in the dilute gas, where the
?uncertainty is 0.5%.
?\
!end of info section
83.8058 !lower temperature limit [K]
2000.0 !upper temperature limit [K]
1000000.0 !upper pressure limit [kPa]
50.65 !maximum density [mol/L]
1 !number of terms associated with dilute-gas function
CI1 !pointer to reduced effective collision cross-section model
0.3478 !Lennard-Jones coefficient sigma [nm]
104.9 !Lennard-Jones coefficient epsilon/kappa [K]
1.0 1.0 !reducing parameters for T, eta
0.1687292 0.50d0 !Chapman-Enskog term
0 !number of terms for initial density dependence
0 6 0 0 0 0 !# resid terms: close-packed density; simple poly; numerator of rational poly; denominator of rat. poly; numerator of exponential; denominator of exponential
150.687 13.40742965 1.0 !reducing parameters for T, rho, eta
0.648491572951E+01 0.0000 1.0 0.0 0 !simple polynomial terms
0.921829714883E+01 0.0000 2.0 0.0 0
0.251873627628E+01 -1.1303 4.0 0.0 0
0.710198542697E-01 -0.2879 7.0 0.0 0
0.233411121182E+00 -4.4346 4.0 0.0 0
-0.365386072189E+01 -2.2411 3.0 0.0 0
NUL !pointer to critical enhancement auxiliary function (none used)
#AUX !collision integral specification
CI1 collision integral model of Lemmon and Jacobsen (2001).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? preliminary equation, 2001.
?\
!end of info section
1.0 !lower temperature limit [K]
10000.0 !upper temperature limit [K]
0.0 !(dummy) upper pressure limit
0.0 !(dummy) maximum density
5 !number of terms
0.5136E+00 0 !coeff, power of Tstar
-0.5218E+00 1
0.8852E-01 2
0.3445E-02 3
-0.2289E-02 4
@ETA !viscosity model specification
VS3 pure fluid viscosity model of Younglove and Hanley (1986).
?REFERENCE \
?Younglove, B.A. and Hanley, H.J.M.,
? "The Viscosity and Thermal Conductivity Coefficients of Gaseous and
? Liquid Argon,"
? J. Phys. Chem. Ref. Data, 15(4):1323-1337, 1986.
?\
?The uncertainty in viscosity is 2% below 100 MPa and 3% for higher pressures.
?\
!end of info section
55.0 !lower temperature limit [K]
2500.0 !upper temperature limit [K]
1000000.0 !upper pressure limit [kPa]
50.65 !maximum density [mol/L]
9 0 !# terms for dilute gas function: numerator, denominator
1.0 1.0 !reducing parameters for T, eta
-0.8973188257d5 -1.00d0 !coeff, power in T
0.8259113473d5 -0.666666666667d0
-0.2766475915d5 -0.333333333333d0
0.3068539784d4 0.00d0
0.4553103615d3 0.333333333333d0
-0.1793443839d3 0.666666666667d0
0.2272225106d2 1.00d0
-0.1350672796d1 1.333333333333d0
0.3183693230d-1 1.666666666667d0
11 3 !# terms for background gas function: numerator, denominator
1.0 1.0 1.0 !reducing par for T, rho (rho_c), eta
0.5927733783d0 0.00d0 1.00d0 0. !coeff, powers of t, rho, spare for future use
-0.4251221169d2 -1.00d0 1.00d0 0.
-0.2698477165d-1 0.00d0 2.00d0 0.
0.3727762288d2 -1.00d0 2.00d0 0.
-0.3958508720d4 -2.00d0 2.00d0 0.
0.3636730841d-2 0.00d0 3.00d0 0.
-0.2633471347d1 -1.00d0 3.00d0 0.
0.2936563322d3 -2.00d0 3.00d0 0.
-0.3811869019d-4 0.00d0 4.00d0 0.
0.4451947464d-1 -1.00d0 4.00d0 0.
-0.5385874487d1 -2.00d0 4.00d0 0.
1.0000000000 0.00d0 0.00d0 0.
-0.1115054926d-1 0.00d0 1.00d0 0.
-0.1328893444d1 -1.00d0 1.00d0 0.
NUL !pointer to critical enhancement auxiliary function
@TCX !thermal conductivity model specification
TC3 pure fluid thermal conductivity model of Younglove (1982).
?LITERATURE REFERENCE \
?Younglove, B.A.,
? "Thermophysical Properties of Fluids. I. Argon, Ethylene,
? Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen,"
? J. Phys. Chem. Ref. Data, Vol. 11, Suppl. 1, pp. 1-11, 1982.
?\
!end of info section
83.8058 !lower temperature limit [K]
600.0 !upper temperature limit [K]
100000.0 !upper pressure limit [kPa]
50.65 !maximum density [mol/L]
0.3297 !Lennard-Jones coefficient sigma [nm]
152.8 !Lennard-Jones coefficient epsilon/kappa [K]
0.16871158559818 !const in Eq 20 = 5/16*(k*MW/1000/pi/Na)**0.5*1.0d12
0 !exponent in Eq 20 for T
2.64712871543D-02 !eta0 (eq 20): coeffs of {(e/kT)**((4-n)/3)}
-.216629583011974
0.709700888884514
-1.21908891344223
1.20168985706305
-.700084760049098
0.24816605762696
-4.79479287295D-02
3.93679190444D-03
9.64428741429D-04 !coeff for initial density dependence of viscosity (eq 21); Fv(1)
3.02391316601D-04 !Fv(2)
1 !Fv(3)
152.8 !Fv(4)
-33.327027332 !coefficients for residual viscosity, eqs (22 - 25)
-355.59415848 !Ev(2)
22.2441164817987 !Ev(3)
1663.62775376509 !Ev(4)
0 !Ev(5)
0 !Ev(6)
0 !Ev(7)
25.0325423049965 !Ev(8)
1.7124 !F
0.00000003669 !rm
NUL !pointer to critical enhancement auxiliary function (none used)
@ETA !viscosity model specification
VS2 pure fluid viscosity model of Younglove (1982).
?LITERATURE REFERENCE \
?Younglove, B.A.,
? "Thermophysical Properties of Fluids. I. Argon, Ethylene,
? Parahydrogen, Nitrogen, Nitrogen Trifluoride, and Oxygen,"
? J. Phys. Chem. Ref. Data, Vol. 11, Suppl. 1, pp. 1-11, 1982.
?\
!end of info section
83.8058 !lower temperature limit [K]
600.0 !upper temperature limit [K]
100000.0 !upper pressure limit [kPa]
50.65 !maximum density [mol/L]
CI2 !pointer to collision integral model
0.3297 !Lennard-Jones coefficient sigma [nm]
152.8 !Lennard-Jones coefficient epsilon/kappa [K]
0.16871158559818 !const in Eq 19 = 5/16*(k*MW/1000/pi/Na)**0.5*1.0d12
0 !exponent in Eq 20 for T
5.85384107393D-03 !coeff for initial density dependence of viscosity (eq 21); Fv(1)
-3.09546765250D-03 !Fv(2)
1.4 !Fv(3)
152.8 !Fv(4)
-12.313579086 !coefficients for residual viscosity, eqs (22 - 25)
40.136071933 !Ev(2)
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