r124.fld

一个关于物性计算的软件

R124                                  !short name
2837-89-0                             !CAS number
1-chloro-1,2,2,2-tetrafluoroethane    !full name
CHClFCF3                              !chemical formula
HCFC-124                              !synonym
136.4762           !molecular weight [g/mol]
 74.               !triple point temperature [K]
261.187            !normal boiling point [K]
395.425            !critical temperature [K]
3624.295           !critical pressure [kPa]
4.1033156          !critical density [mol/L] (560 kg/m^3)
0.28810            !acentric factor
1.469              !dipole moment [Debye]; Meyer & Morrison (1991) J. Phys. Chem. 95:3860-3866.
IIR                !default reference state
6.1                !version number

! compiled by M. McLinden, NIST Physical and Chemical Properties Division, Boulder, Colorado
! 12-31-96  MM, original version
! 01-03-97  MM, add L-J parameters from Dowdell & Matthews
! 01-31-97  MM, change pointer for ECS reference viscosity from VS3 to VS1
!               modify ncoeff line for FEQ to accommodate critical region terms
! 02-20-97  MM, add default reference state
! 02-26-97  MM, add version number (future use)
! 03-11-97  MM, modify ECS-transport to new format
! 06-06-97  MM, set lower limit to 120 K as routines did not converge at 100 K
! 08-21-97  MM, purge exponentials from values read by GUI (e.g. model limits)
! 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
! 01-24-00 EWL, change the ECS reference fluid to nitrogen since calculations
!               with the R-134a eq. (as a reference fluid) failed below 180 K.
! 05-22-02 MLH, refit transport, changed ref.fluid to propane.


#EOS               !equation of state specification
FEQ  Helmholtz equation of state for R-124 of de Vries et al. (1995).
?LITERATURE REFERENCE \
?de Vries, B., Tillner-Roth, R., and Baehr, H.D.,
? "Thermodynamic Properties of HCFC 124,"
? 19th International Congress of Refrigeration, The Hague, The Netherlands,
? International Institute of Refrigeration, IVa:582-589, 1995.
?\
?The uncertainties of the equation of state are 0.05% in density, 1% in heat
?capacity, and 1% in the speed of sound, except in the critical region.
?The uncertainty in vapor pressure is 0.1%.
?\
!end of info section
120.0              !lower temperature limit [K]
470.0              !upper temperature limit [K]
40000.0            !upper pressure limit [kPa]
13.5758            !maximum density [mol/L]
CPP                                    !pointer to Cp0 model
136.475                                !molecular weight [g/mol]
74.                                    !triple point temperature [K]
0.00000000032                          !pressure at triple point [kPa]
13.5758                                !density at triple point [mol/L]
261.187                                !normal boiling point temperature [K]
0.28810                                !acentric factor
395.425      3624.295     4.1033156    !Tc [K], pc [kPa], rhoc [mol/L]
395.425                   4.1033156    !reducing parameters [K, mol/L]
8.314471                               !gas constant [J/mol-K]
      20  4      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
 -0.1262962d-01    2.000    1.00    0  !a(i),t(i),d(i),l(i)
  0.2168373d+01    0.500    1.00    0
 -0.3330033d+01    1.000    1.00    0
  0.1610361d+00    0.500    2.00    0
 -0.9666145d-04    2.500    2.00    0
  0.1191310d-01   -1.000    3.00    0
 -0.2880217d-02    1.000    5.00    0
  0.1681346d-02    0.000    6.00    0
  0.1594968d-04   -0.500    8.00    0
  0.1289674d+00    1.500    2.00    1
  0.1182213d-04    1.000   12.00    1
 -0.4713997d+00    2.500    1.00    2
 -0.2412873d+00   -0.250    1.00    2
  0.6868066d+00    1.000    1.00    2
 -0.8621095d-01    5.000    1.00    2
  0.4728645d-05    2.000   15.00    2
  0.1487933d-01   15.000    3.00    3
 -0.3001338d-01   20.000    3.00    3
  0.1849606d-02   15.000    4.00    4
  0.4126073d-03   45.000    9.00    4


#AUX               !auxiliary model specification
CPP  ideal gas heat capacity function of de Vries et al. (1995).
?LITERATURE REFERENCE \
?de Vries, B., Tillner-Roth, R., and Baehr, H.D.,
? "Thermodynamic Properties of HCFC 124,"
? 19th International Congress of Refrigeration, The Hague, The Netherlands,
? International Institute of Refrigeration, IVa:582-589, 1995.
?\
?Note:  de Vries et al. give a Helmholtz form for the ideal gas term; it
? has been converted to a Cp0 form, by the transform:\
?\
?   Cp0/R = (1 + a_3) - 2a_4*Tr - 6a_5*Tr^2 - 12a_6*Tr^3 \
?     where T_r = T/Tcrit, \
?     and the a_i are the original coefficients given by de Vries\
?
!end of info section
100.0              !lower temperature limit [K]
470.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
395.425      8.314471                  !reducing parameters for T, Cp0
  4  0    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
 3.1756380d0    0.00                   != 1 + a_3 (the a_i are coeff of de Vries)
14.7794700d0    1.00                   != -2a_4
-5.2420986d0    2.00                   != -6a_5
 1.3381596d0    3.00                   != -12a_6


@EOS               !equation of state specification
BWR  MBWR equation of state for R-124 of Younglove and McLinden (1994).
?REFERENCE \
?McLinden, M.O., Younglove, B.A., and Sandarusi, J.,
? "Measurement of the PVT properties and formulation of an equation of state
? for refrigerant 124 (1-chloro-1,2,2,2-tetrafluoroethane)," 1994.
? (unpublished manuscript).\
?\
!end of info section
120.0              !lower temperature limit [K]
475.0              !upper temperature limit [K]
36000.0            !upper pressure limit [kPa]
13.98              !maximum density [mol/L]
CP1                                    !pointer to Cp0 model
136.4762                               !molecular weight [g/mol]
74.0                                   !triple point temperature [K]
0.00000000032                          !pressure at triple point [kPa]
14.54                                  !density at triple point [mol/L]
261.212                                !normal boiling point temperature [K]
0.28783                                !acentric factor
395.62       3637.        4.101527     !Tc [K], pc [kPa], rhoc [mol/L]
395.62                    4.101527     !reducing parameters [K, mol/L]
4.101527                               !gamma
0.08314471                             !gas constant [L-bar/mol-K]
      32       1                       !Nterm, Ncoeff per term
  -0.195111839846d-01   0.299978502039d+01  -0.845849168162d+02,
   0.146720754658d+05  -0.232549336572d+07   0.938866046628d-03,
  -0.425069993257d+01   0.304859131600d+04   0.221314829910d+07,
  -0.601971995213d-04   0.100335188373d+01  -0.468461812962d+03,
  -0.927654315163d-02  -0.125426962519d+02  -0.228534445089d+04,
   0.168197835599d+01  -0.537322295315d-01   0.157915168095d+02,
  -0.550297175283d+00  -0.244349954189d+07  -0.625153016263d+08,
  -0.156149231820d+06   0.344268154495d+10  -0.289212955106d+04,
   0.108351996828d+06  -0.404809912845d+02  -0.220587292481d+07,
  -0.564677367857d+00   0.175581172016d+03  -0.762146322899d-03,
  -0.210617958917d+01   0.319236066221d+02


#AUX               !auxiliary model specification
CP1  ideal gas heat capacity function
?REFERENCE \
?McLinden, M.O., Younglove, B.A., and Sandarusi, J.,
? "Measurement of the PVT properties and formulation of an equation of state
? for refrigerant 124 (1-chloro-1,2,2,2-tetrafluoroethane)," 1994.
? (unpublished manuscript).\
?\
!end of info section