propane.fld

一个关于物性计算的软件

358.9              !Lennard-Jones coefficient epsilon/kappa [K]
 1.77273976d-01    !const in Eq 19 = 5/16*(k*MW/1000/pi/Na)**0.5*1.0d12
 0.1422605d+01     !dilute gas terms (Eq 27):  Gt(1)
-0.179749d+00      !                           Gt(2)
 0.3113890422d-02  !residual terms (Eqs 26, 28-30): Et(1)
-0.2257559730d+00
 0.5674370999d+02
-0.7840963643d-04
 0.2291785465d-01
-0.2527939890d+01
-0.6265334654d-01
 0.2518064809d+01  !Et(8)
TK2                !pointer to critical enhancement model (follows immediately)
 3.98d0            !critical enhancement terms (Eqs D1-D4):  X1
 5.450d0
 0.468067d0
 1.08d0            !X4
 8.117d-10         !Z
 1.38054d-23       !Boltzmann's constant, k
 0.0               !coeff for initial density dependence of viscosity (eq 21); Fv(1)
 0.0               !Fv(2)
 1.12              !Fv(3)
 359.0             !Fv(4)
   -14.113294896   !coefficients for residual viscosity, eqs (22 - 25)
   968.22940153    !Ev(2)  (the viscosity is also used in conductivity correlation)
    13.686545032   !Ev(3)
-12511.628378      !Ev(4)
     0.0168910864  !Ev(5)
    43.527109444   !Ev(6)
  7659.45434720    !Ev(7)


#ETA               !viscosity model specification
VS1  pure fluid viscosity model of Vogel et al. (1998).
?LITERATURE REFERENCE \
?Vogel, E., Kuechenmeister, C., Bich, E., and Laesecke, A.,
? "Reference Correlation of the Viscosity of Propane,"
? J. Phys. Chem. Ref. Data, 27(5):947-970, 1998.
?\
?The uncertainty in viscosity varies from 0.4% in the dilute gas between
?room temperature and 600 K, to about 2.5% from 100 to 475 K up to about 30 MPa,
?and to about 4% outside this range.
?\
!end of info section
85.47              !lower temperature limit [K]
600.0              !upper temperature limit [K]
100000.0           !upper pressure limit [kPa]
17.36              !maximum density [mol/L]
1                  !number of terms associated with dilute-gas function
CI1                !pointer to reduced effective collision cross-section model
0.49748            !Lennard-Jones coefficient sigma [nm]
263.88             !Lennard-Jones coefficient epsilon/kappa [K]
1.0    1.0         !reducing parameters for T, eta
0.141824   0.50d0  !Chapman-Enskog term
9                  !number of terms for initial density dependence
 263.88       0.0741445    !reducing parameters for T (= eps/k), etaB2 (= 0.6022137*sigma**3)
-19.572881d0       0.0     !coeff, power in T* = T/(eps/k)
 219.73999d0      -0.25
-1015.3226d0      -0.5
 2471.01251d0     -0.75
-3375.1717d0      -1.0
 2491.6597d0      -1.25
-787.26086d0      -1.5
 14.085455d0      -2.5
-0.34664158d0     -5.5
2 13 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
369.82     5.0        1.0           !reducing parameters for T, rho, eta
 0.250053938863D1   0.0    0.00  0.00  0
 0.215175430074D1   0.5    0.00  0.00  0
 0.359873030195D2   0.0    2.00  0.00  0
-0.180512188564D3  -1.0    2.00  0.00  0
 0.877124888223D2  -2.0    2.00  0.00  0
-0.105773052525D3   0.0    3.00  0.00  0
 0.205319740877D3  -1.0    3.00  0.00  0
-0.129210932610D3  -2.0    3.00  0.00  0
 0.589491587759D2   0.0    4.00  0.00  0
-0.129740033100D3  -1.0    4.00  0.00  0
 0.766280419971D2  -2.0    4.00  0.00  0
-0.959407868475D1   0.0    5.00  0.00  0
 0.210726986598D2  -1.0    5.00  0.00  0
-0.143971968187D2  -2.0    5.00  0.00  0
-0.161688405374D4   0.0    1.00 -1.00  0
 0.161688405374D4   0.0    1.00  0.00  0
 1.                 0.0    0.00  1.00  0
-1.                 0.0    1.00  0.00  0
NUL                !pointer to critical enhancement auxiliary function (none used)


#AUX               !collision integral specification
CI1  collision integral model of Vogel et al. (1998).
?LITERATURE REFERENCE \
?Vogel, E., Kuechenmeister, C., Bich, E., and Laesecke, A.,
? "Reference Correlation of the Viscosity of Propane,"
? J. Phys. Chem. Ref. Data, 27(5):947-970, 1998.
?\
!end of info section
85.47              !lower temperature limit [K]
600.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
3                  !number of terms
 0.25104574   0    !coeff, power of Tstar
-0.47271238   1
 0.060836515  3


@ETA               !viscosity model specification
VS2  pure fluid viscosity model of Younglove and Ely (1987).
?LITERATURE REFERENCE \
?Younglove, B.A. and Ely, J.F.,
? "Thermophysical properties of fluids. II. Methane, ethane, propane,
? isobutane and normal butane,"
? J. Phys. Chem. Ref. Data, 16:577-798, 1987.
?\
?N.B.  all temperatures on IPTS-68
?\
?The uncertainty in viscosity is 2%, except in the critical region which is 5%.
?\
!end of info section
85.47              !lower temperature limit [K]
600.0              !upper temperature limit [K]
100000.0           !upper pressure limit [kPa]
17.36              !maximum density [mol/L]
CI2                !pointer to collision integral model
0.47               !Lennard-Jones coefficient sigma [nm]
358.9              !Lennard-Jones coefficient epsilon/kappa [K]
 1.77273976d-01    !const in Eq 19 = 5/16*(k*MW/1000/pi/Na)**0.5*1.0d12
 0.5               !exponent in Eq 19 for T
 0.0               !coeff for initial density dependence of viscosity (eq 21); Fv(1)
 0.0               !Fv(2)
 1.12              !Fv(3)
 359.0             !Fv(4)
   -14.113294896   !coefficients for residual viscosity, eqs (22 - 25)
   968.22940153    !Ev(2)
    13.686545032   !Ev(3)
-12511.628378      !Ev(4)
     0.0168910864  !Ev(5)
    43.527109444   !Ev(6)
  7659.45434720    !Ev(7)
     5.0           !Ev(8)
NUL                !pointer to critical enhancement auxiliary function (none used)


#AUX               !collision integral specification
CI2  collision integral model of Younglove and Ely (1987).
?LITERATURE REFERENCE \
?Younglove, B.A. and Ely, J.F.,
? "Thermophysical properties of fluids. II. Methane, ethane, propane,
? isobutane and normal butane,"
? J. Phys. Chem. Ref. Data, 16:577-798, 1987.
?\
?N.B.  all temperatures on IPTS-68
?\
!end of info section
85.47              !lower temperature limit [K]
600.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
9                  !number of terms
 -3.0328138281     !Omega (eq 20): coeffs of {(e/kT)**((4-n)/3)}
 16.918880086      !N.B.  there is misprint in Younglove and Ely, the exponent
-37.189364917      !      is ((4-n)/3) not ((n+2)/3)
 41.288861858
-24.61592114
  8.948843096
 -1.8739245042
  0.209661014      !N.B.  wrong sign in Younglove and Ely, Table 2
 -0.009657044


@TRN               !transport model specification
ECS  Extended Corresponding States model (R134a reference); fitted to data.
?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.
?\
?DATA SOURCES FOR THERMAL CONDUCTIVITY\
?The ECS parameters for thermal conductivity were based on the data of:
?\
?Aggarwal, M.C. and Springer, G.S.,
? "High temperature-high pressure thermal conductivities of ethylene and
? propane," J. Chem. Phys., 70:3948-3951, 1979.
?\
?Mann, W.B. and Dickins, B.G.,
? "The thermal conductivities of the saturated hydrocarbons in the gaseous
? state," Proc. Royal Soc. (London), Series A134:77-96, 1932.
?\
?Roder, H.M.,
? "Experimental thermal conductivity values for hydrogen, methane, ethane
? and propane," National Bureau of Standards NBSIR 84-3006, 1984.
?\
?Tufeu, R. and LeNeindre, B.,
? "Thermal conductivity of propane in the temperature range 25-305鳦 and
? pressure range 1-70 MPa," Int. J. Thermophys., 8:27-38, 1987.
?\
?Average absolute deviations of the fit from the experimental data were:\
?  Aggarwal:  2.89%; Mann:  0.23%; Roder:  1.18%; Tufeu:  3.13%; Overall:  1.86%\
?\
?the Lennard-Jones parameters are taken from:
?\
?Vogel, E., Kuchenmeister, C., Bich, E., and Laesecke, A.,
? "Reference correlation of the viscosity of propane,"
? J. Phys. Chem. Ref. Data, 27:947-970, 1998.
?\
!end of info section
85.47              !lower temperature limit [K]
600.0              !upper temperature limit [K]
100000.0           !upper pressure limit [kPa]
17.36              !maximum density [mol/L]
FEQ R134a.fld
VS1                !model for reference fluid viscosity
TC1                !model for reference fluid thermal conductivity
1                  !Lennard-Jones flag (0 or 1) (0 => use estimates)
0.49748            !Lennard-Jones coefficient sigma [nm] for ECS method
263.88             !Lennard-Jones coefficient epsilon/kappa [K] for ECS method
2  0  0                       !number of terms in f_int term in Eucken correlation, spare1, spare2
 1.0398d-3   0.0   0.0   0.0  !coeff, power of T, spare 1, spare 2
 5.4024d-7   1.0   0.0   0.0
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
2  0  0                       !number of terms in chi (t.c. shape factor): poly1,poly2,spare
 0.81477d+0   0.0   0.0   0.0 !coeff, power of Tr, power of Dr, spare
 5.10390d-2   0.0   1.0   0.0


#STN        !surface tension specification
ST1  surface tension model of Baidakov and Sulla (1985).
?LITERATURE REFERENCE \
?Baidakov, V.G. and Sulla, I.I.
? "Surface tension of propane and isobutane at near-critical temperatures,"
? Russian Journal of Physical Chemistry, 59:551-554, 1985.
?\
!end of info section
85.47              !lower temperature limit [K]
369.85             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
2                           !number of terms in surface tension model
370.4                       !critical temperature used by Baidakov and Sulla (dummy)
 0.05666     1.265          !sigma0 and n
-0.005291    2.265


#DE         !dielectric constant specification
DE1  dielectric constant model of Younglove and Ely (1987).
?LITERATURE REFERENCE \
?Younglove, B.A. and Ely, J.F.,
? "Thermophysical properties of fluids. II. Methane, ethane, propane,
? isobutane and normal butane,"
? J. Phys. Chem. Ref. Data, 16:577-798, 1987.
?\
?The uncertainty in dielectric constant is 0.05%.
?\
!end of info section
83.80              !lower temperature limit [K]
150.6633           !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
369.85  1.0  1.0   !reducing parameters for t, d, and p
4 1 0 0 0 0                         !number of terms in dielectric constant model
 0.15562631d-1    0.    1.    0.    !coef, t exp, d exp, p exp
 0.77162820d-4    0.    2.    0.
-0.60399084d-5    0.    3.    0.
-0.45141181d-6    0.    1.    1.
 0.51074051d-3    0.    1.    0.


#MLT        !melting line specification
ML1  melting line model of Younglove and Ely (1987).
?LITERATURE REFERENCE \
?Younglove, B.A. and Ely, J.F.,
? "Thermophysical properties of fluids. II. Methane, ethane, propane,
? isobutane and normal butane,"
? J. Phys. Chem. Ref. Data, 16:577-798, 1987.
?\
!end of info section
85.47              !lower temperature limit [K]
600.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
1.       1000.     !reducing temperature and pressure
2 0 0 0 0 0                 !number of terms in melting line equation
-717.998787117642  0.       !coefficients and exponents (extra digits required
 0.238565d1        1.283    !to achieve ptp=0.169d-6 kPa)


#PS         !vapor pressure equation
PS6  vapor pressure equation of Miyamoto and Watanabe (2000).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
85.48              !lower temperature limit [K]
369.825            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
369.825 4247.09    !reducing parameters
4 0 0 0 0 0                 !number of terms in equation
 -6.741653           2.     !coefficients and exponents
  1.455497           3.
 -1.312986           5.
 -2.111039           9.


#DL         !saturated liquid density equation
DL3  saturated liquid density equation of Miyamoto and Watanabe (2000).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
85.48              !lower temperature limit [K]
369.825            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
369.825 4.9551407  !reducing parameters
4 0 0 0 0 0                 !number of terms in equation
  0.2758388          0.2    !coefficients and exponents
  1.810924           0.4
 -0.8907309          0.6
  0.1273854          1.8


#DV         !saturated vapor density equation
DV3  saturated vapor density equation of Miyamoto and Watanabe (2000).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
85.48              !lower temperature limit [K]
369.825            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
369.825 4.9551407  !reducing parameters
5 0 0 0 0 0                 !number of terms in equation
  0.5312985          0.1    !coefficients and exponents
 -1.702073           0.2
 -4.998449           0.8
 -12.18881           2.4
 -42.75035           5.8
 -107.8777           13.9


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