r114.fld

一个关于物性计算的软件

R114                                  !short name
76-14-2                               !CAS number
1,2-dichloro-1,1,2,2-tetrafluoroethane!full name
CClF2CClF2                            !chemical formula
CFC-114                               !synonym
170.921            !molecular weight [g/mol]
179.0              !triple point temperature [K]
276.736            !normal boiling point [K]
418.83             !critical temperature [K]
3257.0             !critical pressure [kPa]
3.3932             !critical density [mol/L]
0.2523             !acentric factor
0.658              !dipole moment [Debye]; value from REFPROP v5.10 eval at NBP
IIR                !default reference state
6.1                !version number

! compiled by E.W. Lemmon, NIST Physical and Chemical Properties Division, Boulder, Colorado
! 07-02-97 EWL, original version
! 07-11-97  MM, add surface tension correlation
! 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
! 11-13-97  MM, enter thermal conductivity shape factor fitted to data


#EOS               !equation of state specification
FEQ  Bender equation of state for R-114 of Platzer et al. (1990).
?LITERATURE REFERENCE \
?Platzer, B., Polt, A., and Maurer, G.,
? "Thermophysical properties of refrigerants,"
? Berlin:  Springer-Verlag, 1990.\
?\
!end of info section
273.15             !lower temperature limit [K]
507.0              !upper temperature limit [K]
21000.0            !upper pressure limit [kPa]
8.9419             !maximum density [mol/L]
CPP                                    !pointer to Cp0 model
170.93                                 !molecular weight [g/mol]
230.0                                  !triple point temperature [K]
10.950                                 !pressure at triple point [kPa]
9.63                                   !density at triple point [mol/L]
276.741                                !normal boiling point temperature [K]
0.2523                                 !acentric factor
418.83       3257.0       3.3932       !Tc [K], pc [kPa], rhoc [mol/L]
418.83                    3.3932       !reducing parameters [K, mol/L]
8.31451                                !gas constant [J/mol-K]
      22  5      0  0       0  0       !# terms, # coeff/term for:  "normal" terms, critical, spare
-0.340776521414d+0  3.000   0.00    0   0.0 !a(i),t(i),d(i),l(i),g(i)
 0.323001398420d+0  4.000   0.00    0   0.0
-0.424950537596d-1  5.000   0.00    0   0.0
 0.107938879710d+1  0.000   1.00    0   0.0
-0.199243619673d+1  1.000   1.00    0   0.0
-0.155135133506d+0  2.000   1.00    0   0.0
-0.121465790553d+0  3.000   1.00    0   0.0
-0.165038582393d-1  4.000   1.00    0   0.0
-0.186915808643d+0  0.000   2.00    0   0.0
 0.308074612567d+0  1.000   2.00    0   0.0
 0.115861416115d+0  2.000   2.00    0   0.0
 0.276358316589d-1  0.000   3.00    0   0.0
 0.108043243088d+0  1.000   3.00    0   0.0
 0.460683793064d-1  0.000   4.00    0   0.0
-0.174821616881d+0  1.000   4.00    0   0.0
 0.317530854287d-1  1.000   5.00    0   0.0
 0.340776521414d+0  3.000   0.00    2   1.21103865d0
-0.323001398420d+0  4.000   0.00    2   1.21103865d0
 0.424950537596d-1  5.000   0.00    2   1.21103865d0
-0.166940100976d+1  3.000   2.00    2   1.21103865d0
 0.408693082002d+1  4.000   2.00    2   1.21103865d0
-0.241738963889d+1  5.000   2.00    2   1.21103865d0


#AUX               !auxiliary model specification
CPP  ideal gas heat capacity function
?LITERATURE REFERENCE \
?Platzer, B., Polt, A., and Maurer, G.,
? "Thermophysical properties of refrigerants,"
? Berlin:  Springer-Verlag, 1990.\
?\
!end of info section
273.15             !lower temperature limit [K]
507.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
1.0          170.93                    !reducing parameters for T, Cp0
  5  0    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
 0.97651380d-01    0.0
 0.32408610d-02    1.0
-0.58953640d-05    2.0
 0.67379290d-08    3.0
-0.35463640d-11    4.0


#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:\
?\
?Donaldson, A.B. (1975). On the estimation of thermal conductivity of organic vapors.
? Ind. Eng. Chem., 14:325-328.\
?\
?Keyes, F.G. (1954). Thermal conductivity of gases. Trans. ASME, 76:809-816.\
?\
?Shankland, I.R. (1990). Transport properties of CFC alternatives.
? paper presented at AIChE Spring National Meeting, Orlando, Florida.\
?\
?Yata, J., Minamiyama, T., and Tanaka, S. (1984).
? Measurement of thermal conductivity of liquid fluorocarbons.
? Int. J. Thermophysics, 5:209-218.\
?\
?Average absolute deviations of the fit from the experimental data were:\
?  Donaldson:  9.27%; Keyes:  1.89%; Shankland:  1.29%; Yata:  1.19%; Overall:  2.95%\
?\
?Lennard-Jones parameters are estimated.\
?\
!end of info section
273.15             !lower temperature limit [K]
507.0              !upper temperature limit [K]
21000.0            !upper pressure limit [kPa]
8.9419             !maximum density [mol/L]
FEQ R134a.fld
VS1                !model for reference fluid viscosity
TC1                !model for reference fluid thermal conductivity
0                  !Lennard-Jones flag (0 or 1) (0 => use estimates)
0.0                !Lennard-Jones coefficient sigma [nm] for ECS method
0.0                !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
2  0  0                       !number of terms in chi (t.c. shape factor): poly,spare1,spare2
 1.0961d+0   0.0   0.0   0.0  !coeff, power of Tr, power of Dr, spare
-3.4899d-2   0.0   1.0   0.0


#STN        !surface tension specification
ST1  surface tension model of Okada and Watanabe (1988).
?LITERATURE REFERENCE \
?Okada, M. and Watanabe, K.,
? "Surface tension correlations for several fluorocarbon refrigerants,"
? Heat Transfer-Japanese Research, 17:35-52, 1988.\
?
!end of info section
180.0              !lower temperature limit [K]
418.83             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
1                           !number of terms in surface tension model
418.78                      !critical temperature used by Okada & Watanabe (dummy)
 0.05084     1.24           !sigma0 and n


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