nitrogen.fld

一个关于物性计算的软件

 734.241371453542
-1655.39131952744
 2062.67809686969
-1579.52439123889
 777.942880032361
-232.996787901831
 40.0691427576552
-2.99482706239363


@TRN               !transport model specification
ECS  Extended Corresponding States model (Nitrogen reference); predictive mode.
?LITERATURE REFERENCES \
?Klein, S.A., McLinden, M.O., and Laesecke, A.,
? "An improved extended corresponding states method for estimation of
? viscosity of pure refrigerants and mixtures,"
? Int. J. Refrigeration, 20:208-217, 1997.
?\
?McLinden, M.O., Klein, S.A., and Perkins, R.A.,
? "An extended corresponding states model for the thermal conductivity
? of refrigerants and refrigerant mixtures,"
? Int. J. Refrigeration, 23:43-63, 2000.
?\
?the Lennard-Jones parameters are taken from:
?\
?Reid, R.C., Prausnitz, J.M., and Poling, B.E.,
? "The Properties of Gases and Liquids,"
? 4th edition, New York, McGraw-Hill Book Company, 1987.
?\
!end of info section
63.151             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
1000000.0          !upper pressure limit [kPa]
53.15              !maximum density [mol/L]
FEQ Nitrogen.fld
VS1                !model for reference fluid viscosity
TC1                !model for reference fluid thermal conductivity
1                  !Lennard-Jones flag (0 or 1) (0 => use estimates)
0.3798             !Lennard-Jones coefficient sigma [nm] for ECS method
71.4               !Lennard-Jones coefficient epsilon/kappa [K] for ECS method
1  0  0                       !number of terms in f_int term in Eucken correlation, spare1, spare2
 1.3200d-3   0.0   0.0   0.0  !coeff, power of T, spare 1, spare 2
1  0  0                       !number of terms in psi (visc shape factor): poly,spare1,spare2
 1.0000d+0   0.0   0.0   0.0  !coeff, power of Tr, power of Dr, spare
1  0  0                       !number of terms in chi (t.c. shape factor): poly,spare1,spare2
 1.0000d+0   0.0   0.0   0.0  !coeff, power of Tr, power of Dr, spare


#STN        !surface tension specification
ST1  surface tension model of Lemmon and Penoncello (1994).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Penoncello, S.G.,
? "The Surface Tension of Air and Air Component Mixtures,"
? Adv. Cryo. Eng., 39:1927-1934, 1994.
?\
!end of info section
63.151             !lower temperature limit [K]
126.192            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
1                           !number of terms in surface tension model
126.192                     !critical temperature used in fit (dummy)
 0.029324108 1.259          !sigma0 and n


#DE         !dielectric constant specification
DE1  dielectric constant 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
63.151             !lower temperature limit [K]
150.6633           !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
1.0  1.0  1.0      !reducing parameters for t, d, and p
5 0 0 0 0 0                         !number of terms in dielectric constant model
 0.43993836d-2    0.    1.    0.    !coef, t exp, d exp, p exp
 0.18932096d-5    0.    2.    0.
-0.31450178d-8    0.    4.    0.
-0.44666034d-7    1.    1.    0.
-0.28592703d-6    0.    1.    1.


#MLT        !melting line specification
ML1  melting line model of Span et al. (2000).
?LITERATURE REFERENCE \
?Span, R., Lemmon, E.W., Jacobsen, R.T, Wagner, W., and Yokozeki, A.
? "A Reference Quality Thermodynamic Property Formulation for Nitrogen,"
? J. Phys. Chem. Ref. Data, 29(6):1361-1433, 2000.
? see also Int. J. Thermophys., 14(4):1121-1132, 1998.
?\
!end of info section
63.151             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
63.151   12.523    !reducing temperature and pressure
3 0 0 0 0 0                 !number of terms in melting line equation
 1.             0.          !coefficients and exponents
 12798.61       1.78963
-12798.61       0.


#SBL        !sublimation line specification
SB3  sublimation line model of Lemmon (1999).
?LITERATURE REFERENCE \
?Lemmon, E.W.,
? preliminary equation, 1999.
?\
!end of info section
63.151             !lower temperature limit [K]
63.151             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
63.151 12.523      !reducing temperature and pressure
0 1 0 0 0 0                 !number of terms in sublimation line equation
-13.088692      1.          !coefficients and exponents


#PS         !vapor pressure equation
PS6  vapor pressure equation of Span et al. (2000).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
63.151             !lower temperature limit [K]
126.192            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
126.192 3395.8     !reducing parameters
4 0 0 0 0 0                 !number of terms in equation
 -0.612445284E+01    2.     !coefficients and exponents
  0.126327220E+01    3.
 -0.765910082E+00    5.
 -0.177570564E+01    10.


#DL         !saturated liquid density equation
DL4  saturated liquid density equation of Span et al. (2000).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
63.151             !lower temperature limit [K]
126.192            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
126.192 11.1839    !reducing parameters
4 0 0 0 0 0                 !number of terms in equation
  0.148654237E+1     0.9882 !coefficients and exponents
 -0.280476066E+0     2.
  0.894143085E-1     8.
 -0.119879866E+0     17.5


#DV         !saturated vapor density equation
DV6  saturated vapor density equation of Span et al. (2000).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
63.151             !lower temperature limit [K]
126.192            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
126.192 11.1839    !reducing parameters
5 0 0 0 0 0                 !number of terms in equation
 -0.170127164E+1     1.02   !coefficients and exponents
 -0.370402649E+1     2.5
  0.129859383E+1     3.5
 -0.561424977E+0     6.5
 -0.268505381E+1     14.0


@END
c        1         2         3         4         5         6         7         8
c2345678901234567890123456789012345678901234567890123456789012345678901234567890


@TCX               !thermal conductivity model specification
TC1  pure fluid thermal conductivity model of Stephan et al. (1987).
?LITERATURE REFERENCE \
?Stephan, K., Krauss, R., and Laesecke, A.,
? "Viscosity and Thermal Conductivity of Nitrogen for a Wide Range of
? Fluid States,"
? J. Phys. Chem. Ref. Data, 16(4):993-1023, 1987.
?\
!end of info section
63.151             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
2200000.0          !upper pressure limit [kPa]
53.15              !maximum density [mol/L]
2   0              !# terms for dilute gas function:  numerator, denominator
1.0     1.0d-3     !reducing parameters for T, tcx
 0.6950401d0  -97.00d0   !coeff, power in T
 0.03643102d0 -98.00d0
4   0              !# terms for background gas function:  numerator, denominator
1.0     11.2088889    4.17d-3   !reducing par for T, rho (rho_c), tcx
 3.3373542d0   0.   1.   0.     !coeff, powers of t, rho, spare for future use
 0.37098251d0  0.   2.   0.
 0.89913456d0  0.   3.   0.
 0.16972505d0  0.   4.   0.
NUL                !pointer to critical enhancement auxiliary function


@ETA               !viscosity model specification
VS1  pure fluid viscosity model of Stephan et al. (1987).
?LITERATURE REFERENCE \
?Stephan, K., Krauss, R., and Laesecke, A.,
? "Viscosity and Thermal Conductivity of Nitrogen for a Wide Range of
? Fluid States,"
? J. Phys. Chem. Ref. Data, 16(4):993-1023, 1987.
?\
!end of info section
63.151             !lower temperature limit [K]
2000.0             !upper temperature limit [K]
2200000.0          !upper pressure limit [kPa]
53.15              !maximum density [mol/L]
1                  !number of terms associated with dilute-gas function
CI1                !pointer to reduced effective collision cross-section model
0.36502496         !Lennard-Jones coefficient sigma [nm]
100.01654          !Lennard-Jones coefficient epsilon/kappa [K]
1.0    1.0         !reducing parameters for T, eta
0.141290   0.50d0  !Chapman-Enskog term
0                  !number of terms for initial density dependence
0 4 1 2 0 0        !# resid terms:  close-packed density;  simple poly; numerator of rational poly; denominator of rat. poly; numerator of exponential; denominator of exponential
1.      11.2088889    14.0          !reducing parameters for T, rho, eta
-5.8470232d0   0.00  0.00  0.00  0  !simple polynomial terms
-1.4470051d0   0.00  1.00  0.00  0
-0.27766561d-1 0.00  2.00  0.00  0
-0.21662362d0  0.00  3.00  0.00  0
-20.09997d0    0.00  0.00  0.00  0  !numerator
 1.000000d+0   0.00  1.00  0.00  0  !denominator
-3.4376416d0   0.00  0.00  0.00  0  !denominator
NUL                !pointer to critical enhancement auxiliary function (none used)


#AUX               !collision integral specification
CI1  collision integral model of Stephan et al. (1987).
?LITERATURE REFERENCE \
?Stephan, K., Krauss, R., and Laesecke, A.,
? "Viscosity and Thermal Conductivity of Nitrogen for a Wide Range of
? Fluid States,"
? J. Phys. Chem. Ref. Data, 16(4):993-1023, 1987.
?\
!end of info section
63.151             !lower temperature limit [K]
3000.0             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
5                  !number of terms
 0.46649   0       !coeff, power of Tstar
-0.57015   1
 0.19164   2
-0.03708   3
 0.00241   4