r143a.fld

一个关于物性计算的软件

R143a                                 !short name
420-46-2                              !CAS number
1,1,1-trifluoroethane                 !full name
CF3CH3                                !chemical formula
HFC-143a                              !synonym
84.041             !molecular weight [g/mol]
161.34             !triple point temperature [K]
225.909            !normal boiling point [K]
345.857            !critical temperature [K]
3761.0             !critical pressure [kPa]
5.12845            !critical density [mol/L]
0.2615             !acentric factor
2.340              !dipole moment [Debye]; Meyer & Morrison (1991) J. Chem. Eng. Data 36:409-413.
IIR                !default reference state
6.1                !version number

! compiled by M. McLinden, NIST Physical and Chemical Properties Division, Boulder, Colorado
! 12-01-95  MM, original version
! 03-15-96  MM, add transport correlations compiled by S.A. Klein
! 03-18-96  MM, add dipole moment
! 06-17-96  MM, add thermal conductivity coefficients fitted by S.A. Klein
! 09-06-96  MM, add surface tension fit of Schmidt
! 10-09-96  MM, add revised MBWR EOS of Outcalt (including revision of critical parameters)
! 01-31-97  MM, change pointer for ECS reference viscosity from VS3 to VS1
! 02-07-97  MM, recast thermal cond model of Perkins into new TC1 form
! 02-20-97  MM, add default reference state
! 02-26-97  MM, put t.c. critical enhancement into TK1 form, add version number (future use)
! 03-11-97  MM, modify ECS-transport to new format
! 03-25-97  MM, set Psi,Chi coeff in ECS-transport to 1,0 pending refit of data
! 04-08-97  MM, reals --> integers for powers in exponential term of TK1
! 06-01-97 EWL, add parameters for ECS viscosity correlation
! 08-21-97  MM, purge exponentials from values read by GUI (e.g. model limits)
! 10-15-97  MM, revised Cp0 coeff to agree with final version of MBWR paper
! 10-24-97  MM, read in f_int term in Eucken correlation in ECS method for t.c.
!               change reference fluid EOS for ECS-transport from BWR to FEQ
! 11-07-97  MM, add t.c. shape factor fit to data; fix bug in revised Cp0 entered 10-15-97
! 07-29-98 EWL, add equation of state of Lemmon
! 10-06-99 EWL, add newest equation of state of Lemmon
! 10-12-99 EWL, add equation of Li et al.
! 11-01-99 EWL, add Span 12 term short equation of state
! 05-30-00 EWL, change TRN reference fluid from BWR to FEQ R134a.


#EOS               !equation of state specification
FEQ  Helmholtz equation of state for R-143a of Lemmon and Jacobsen (2000).
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? "An International Standard Formulation for the Thermodynamic Properties
? of 1,1,1-Trifluoroethane (HFC-143a) for Temperatures from 161
? to 450 K and Pressures to 50 MPa,"
? J. Phys. Chem. Ref. Data, 29(4):521-552, 2000.
?\
?The estimated uncertainties of properties calculated using the equation
?of state are 0.1% in density, 0.5% in heat capacities, 0.02% in the
?speed of sound for the vapor at pressures less than 1 MPa, 0.5% in speed
?of sound elsewhere, and 0.1% in vapor pressure, except in the critical
?region.
?\
!end of info section
161.34             !lower temperature limit [K]
650.0              !upper temperature limit [K]
100000.0           !upper pressure limit [kPa]
15.85              !maximum density [mol/L]
CPP                                    !pointer to Cp0 model
84.041                                 !molecular weight [g/mol]
161.34                                 !triple point temperature [K]
1.0749                                 !pressure at triple point [kPa]
15.832                                 !density at triple point [mol/L]
225.91                                 !normal boiling point temperature [K]
0.2615                                 !acentric factor
345.857      3761.0       5.12845      !Tc [K], pc [kPa], rhoc [mol/L]
345.857                   5.12845      !reducing parameters [K, mol/L]
8.314472                               !gas constant [J/mol-K]
      17  4      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
 0.77736443E+01    0.67    1.0     0   !a(i),t(i),d(i),l(i)
-0.87018500E+01    0.833   1.0     0
-0.27779799E+00    1.7     1.0     0
 0.14609220E+00    1.82    2.0     0
 0.89581616E-02    0.35    5.0     0
-0.20552116E+00    3.9     1.0     1
 0.10653258E+00    0.95    3.0     1
 0.23270816E-01    0.0     5.0     1
-0.13247542E-01    1.19    7.0     1
-0.42793870E-01    7.2     1.0     2
 0.36221685E+00    5.9     2.0     2
-0.25671899E+00    7.65    2.0     2
-0.92326113E-01    7.5     3.0     2
 0.83774837E-01    7.45    4.0     2
 0.17128445E-01   15.5     2.0     3
-0.17256110E-01   22.0     3.0     3
 0.49080492E-02   19.0     5.0     3


#AUX               !auxiliary model specification
CPP  ideal gas heat capacity function
?LITERATURE REFERENCE \
?Lemmon, E.W. and Jacobsen, R.T,
? "An International Standard Formulation for the Thermodynamic Properties
? of 1,1,1-Trifluoroethane (HFC-143a) for Temperatures from 161
? to 450 K and Pressures to 50 MPa,"
? J. Phys. Chem. Ref. Data, 29(4):521-552, 2000.
?\
!end of info section
161.34             !lower temperature limit [K]
650.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
1.0          8.314472                  !reducing parameters for T, Cp0
  1  2    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
 0.10578E+01    0.33
 0.44402E+01   1791.0
 0.37515E+01    823.0


@EOS               !equation of state specification
FE1  Helmholtz equation of state for R-143a of Li et al. (1997).
?LITERATURE REFERENCE \
?Li, J., Tillner-Roth, R., Sato, H., and Watanabe, K.,
? "An Equation of State for 1,1,1-Trifluoroethane (R-143a),"
? Int. J. Thermophys., 20(6):1639-1651, 1999.
?\
!end of info section
161.34             !lower temperature limit [K]
650.0              !upper temperature limit [K]
50000.0            !upper pressure limit [kPa]
15.84              !maximum density [mol/L]
CP1                                    !pointer to Cp0 model
84.041                                 !molecular weight [g/mol]
161.34                                 !triple point temperature [K]
1.0808                                 !pressure at triple point [kPa]
15.819                                 !density at triple point [mol/L]
225.89                                 !normal boiling point temperature [K]
0.2618                                 !acentric factor
345.86       3764.0       5.164146     !Tc [K], pc [kPa], rhoc [mol/L]
345.86                    5.164146     !reducing parameters [K, mol/L]
8.31451                                !gas constant [J/mol-K]
      19  4      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
 0.1606645E-01    0.0     5.0     0    !a(i),t(i),d(i),l(i)
 0.4163515E+01    0.5     1.0     0
-0.5031058E+01    0.75    1.0     0
-0.1920208E-01    2.5     2.0     0
 0.1470093E-02    2.5     4.0     0
 0.1775429E+00    0.25    3.0     1
-0.7316069E-02    0.25    8.0     1
-0.9555916E-01    2.0     3.0     1
-0.5822518E+00    3.0     1.0     1
-0.4211022E-03    3.0    10.0     2
-0.2059847E-01    8.0     1.0     2
 0.3711325E-01    8.0     4.0     2
 0.1799723E-03    8.0     8.0     2
-0.4145922E-01   10.0     2.0     2
 0.7682566E-04    8.0    12.0     3
-0.2089695E-02   17.0     8.0     3
 0.1958633E-02   20.0     2.0     3
-0.3198325E-05   35.0     5.0     3
-0.5376561E-02   27.0     3.0     4


@EOS               !equation of state specification
FES  short Helmholtz equation of state for R-143a of Span (2000).
?LITERATURE REFERENCE \
?Span, R.,
? "Multiparameter Equations of State - An Accurate Source of Thermodynamic
? Property Data," Springer, Berlin, Heidelberg, New York, 2000.
?\
?The uncertainties of the equation of state are approximately 0.2% (to
?0.5% at high pressures) in density, 1% (in the vapor phase) to 2% in
?heat capacity, 1% (in the vapor phase) to 2% in the speed of sound, and
?0.2% in vapor pressure, except in the critical region.
?\
!end of info section
161.34             !lower temperature limit [K]
600.0              !upper temperature limit [K]
100000.0           !upper pressure limit [kPa]
15.82              !maximum density [mol/L]
CP1                                    !pointer to Cp0 model
84.04                                  !molecular weight [g/mol]
161.34                                 !triple point temperature [K]
1.072                                  !pressure at triple point [kPa]
15.816                                 !density at triple point [mol/L]
225.9                                  !normal boiling point temperature [K]
0.262                                  !acentric factor
345.86       3764.0       5.1653974    !Tc [K], pc [kPa], rhoc [mol/L]
345.86                    5.1653974    !reducing parameters [K, mol/L]
8.31451                                !gas constant [J/mol-K]
      12  4      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
 0.10306886E+01    0.25    1.0     0   !a(i),t(i),d(i),l(i)
-0.29497307E+01    1.25    1.0     0
 0.69435230E+00    1.5     1.0     0
 0.71552102E-01    0.25    3.0     0
 0.19155982E-03    0.875   7.0     0
 0.79764936E-01    2.375   1.0     1
 0.56859424E+00    2.0     2.0     1
-0.90946566E-02    2.125   5.0     1
-0.24199452E+00    3.5     1.0     2