r23.fld

一个关于物性计算的软件

? "Ideal gas thermodynamic properties of six chlorofluoromethanes,"
? J. Phys. Chem. Ref. Data, 5:571-580, 1976.\
?\
!end of info section
150.0              !lower temperature limit [K]
400.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
298.97       8.3145                    !reducing parameters for T, Cp0
  4  0    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
 3.375670          0.00                !c(i), power of T
 0.936761          1.00
 2.780423          2.00
-0.946568          3.00


@EOS               !equation of state specification
FE3  Bender equation of state for R-23 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
190.0              !lower temperature limit [K]
475.0              !upper temperature limit [K]
60000.0            !upper pressure limit [kPa]
16.65              !maximum density [mol/L]
CP3                                    !pointer to Cp0 model
70.014                                 !molecular weight [g/mol]
145.0                                  !triple point temperature [K]
2.5664104                              !pressure at triple point [kPa]
22.851535                              !density at triple point [mol/L]
191.054                                !normal boiling point temperature [K]
0.264                                  !acentric factor
299.01       4816.2       7.42656      !Tc [K], pc [kPa], rhoc [mol/L]
299.01                    7.42656      !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
-0.133234251368d+1  3.000   0.00    0  0.0   !a(i),t(i),d(i),l(i)
 0.210373595421d+1  4.000   0.00    0  0.0
-0.376198728030d+0  5.000   0.00    0  0.0
 0.881622087335d+0  0.000   1.00    0  0.0
-0.272053790906d+1  1.000   1.00    0  0.0
 0.247468024356d+1  2.000   1.00    0  0.0
-0.234010064393d+1  3.000   1.00    0  0.0
 0.303959507238d+0  4.000   1.00    0  0.0
 0.317372750273d-1  0.000   2.00    0  0.0
 0.329392142221d-1  1.000   2.00    0  0.0
 0.205838531860d+0  2.000   2.00    0  0.0
 0.133550139894d+0  0.000   3.00    0  0.0
-0.181698216766d+0  1.000   3.00    0  0.0
-0.245123269882d-1  0.000   4.00    0  0.0
 0.247477874180d-1  1.000   4.00    0  0.0
 0.589916583383d-2  1.000   5.00    0  0.0
 0.133234251368d+1  3.000   0.00    2  0.70304082
-0.210373595421d+1  4.000   0.00    2  0.70304082
 0.376198728030d+0  5.000   0.00    2  0.70304082
 0.574267667948d+0  3.000   2.00    2  0.70304082
-0.762218931280d+0  4.000   2.00    2  0.70304082
 0.472710395636d-1  5.000   2.00    2  0.70304082


#AUX               !auxiliary model specification
CP3  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
190.0              !lower temperature limit [K]
475.0              !upper temperature limit [K]
0.0                !upper pressure limit [kPa]
0.0                !maximum density [mol/L]
1.0          8.31451                   !reducing parameters for T, Cp0
  5  0    0  0    0  0  0              !Nterms:  polynomial, exponential, cosh, sinh
 0.40101431d+01    0.0
-0.55274742d-02    1.0
 0.74008258d-04    2.0
-0.12590943d-06    3.0
 0.69472178d-10    4.0


#TCX               !thermal conductivity model specification
TC0  pure fluid thermal conductivity model of Shan et al. (2000).
?LITERATURE REFERENCE \
?Shan, Z., Penoncello, S.G., and Jacobsen, R.T,
? "A Generalized Model for Viscosity and Thermal Conductivity of
? Trifluoromethane (R-23),"
? ASHRAE Transactions, Volume 106:1-11, 2000.
?\
?The uncertainty in thermal conductivity is 2%.
?\
!end of info section
118.02             !lower temperature limit [K]
475.0              !upper temperature limit [K]
120000.0           !upper pressure limit [kPa]
25.0               !maximum density [mol/L]
R23                !pointer to hardcoded thermal conductivity model
7 0 0 0 0 0 0 0    !number of terms for various pieces
299.28   7.5114   1.0               !reducing parameters for T, rho, eta
68.345              0.0    0.00  0.00  0      !rhoL
-2.5370             0.0    0.00  0.00  0      !B1
0.05366             0.0    0.00  0.00  0      !B2
0.94215             0.0    0.00  0.00  0      !C1
0.14914             0.0    0.00  0.00  0      !C2
2508.58             0.0    0.00  0.00  0      !delta G
25.                 0.0    0.00  0.00  0      !etaMax
NUL                !pointer to critical enhancement auxiliary function (none used)


#ETA               !viscosity model specification
VS0  pure fluid viscosity model of Shan et al. (2000).
?LITERATURE REFERENCE \
?Shan, Z., Penoncello, S.G., and Jacobsen, R.T,
? "A Generalized Model for Viscosity and Thermal Conductivity of
? Trifluoromethane (R-23),"
? ASHRAE Transactions, Volume 106:1-11, 2000.
?\
?The uncertainty in viscosity is 1%.
?\
!end of info section
118.02             !lower temperature limit [K]
475.0              !upper temperature limit [K]
120000.0           !upper pressure limit [kPa]
25.0               !maximum density [mol/L]
R23                !pointer to hardcoded thermal conductivity model
1 0 0 5 0 0 0 0    !number of terms for various pieces
CI1                !pointer to reduced effective collision cross-section model
0.4278             !Lennard-Jones coefficient sigma [nm]
243.91             !Lennard-Jones coefficient epsilon/kappa [K]
1.0    1.0         !reducing parameters for T, eta
0.2233755  0.50d0  !Chapman-Enskog term
299.28   7.5114   1.0               !reducing parameters for T, rho, eta
32.174              0.0    0.00  0.00  0      !rhoL
1.3163              0.0    0.00  0.00  0      !C1
0.1832              0.0    0.00  0.00  0      !C2
771.23              0.0    0.00  0.00  0      !delta G
3.967               0.0    0.00  0.00  0      !etaMax
NUL                !pointer to critical enhancement auxiliary function (none used)


#AUX               !collision integral specification
CI1  collision integral model of Shan et al. (2000).
?LITERATURE REFERENCE \
?Shan, Z., Penoncello, S.G., and Jacobsen, R.T,
? "A Generalized Model for Viscosity and Thermal Conductivity of
? Trifluoromethane (R-23),"
? ASHRAE Transactions, Volume 106:1-11, 2000.
?\
!end of info section
118.02             !lower temperature limit [K]
475.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
5                  !number of terms
 0.4425728    0    !coeff, power of Tstar
-0.5138403    1
 0.1547566    2
-0.02821844   3
 0.001578286  4


@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:\
?\
?Geller, V. and Peredrii, V.G. (1975).
? Thermal conductivity of Freon 13 and Freon 23 (in Russian).
? Izv. Vyssh. Uchebn Zaved Energetika, 18:113-116.\
?\
?Makita, T., Tanaka, Y., Morimoto, Y., Noguchi, M., and Kubota, H. (1981).
? Thermal conductivity of gaseous fluorocarbon refrigerants R12, R13, R22,
? and R23 under pressure. Int. J. Thermophysics, 2:249-268.\
?\
?Average absolute deviations of the fit from the experimental data were:\
?  Geller:  3.84%; Makita:  1.45%; Overall:  2.50%\
?\
?Lennard-Jones parameters are from Shan, et al. ASHAE Trans. 106:1 (2000)\
?\
!end of info section
136.0              !lower temperature limit [K] (based on Ttp/Tc of ref fluid)
400.0              !upper temperature limit [K]
60000.0            !upper pressure limit [kPa]
20.0               !maximum density [mol/L] (limit of ECS-thermo fit)
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)
0.4278             !Lennard-Jones coefficient sigma [nm] for ECS method
243.91             !Lennard-Jones coefficient epsilon/kappa [K] for ECS method
2  0  0                       !number of terms in f_int term in Eucken correlation, spare1, spare2
 6.0570d-4   0.0   0.0   0.0  !coeff, power of T, spare 1, spare 2
 1.8604d-6   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
3  0  0                       !number of terms in chi (t.c. shape factor): poly,spare1,spare2
 1.3801d+0   0.0   0.0   0.0  !coeff, power of Tr, power of Dr, spare
-2.7975d-1   0.0   1.0   0.0
 4.8798d-2   0.0   2.0   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
118.02             !lower temperature limit [K]
299.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
1                           !number of terms in surface tension model
299.01                      !critical temperature used by Okada & Watanabe (dummy)
 0.06562     1.29           !sigma0 and n


#PS         !vapor pressure equation
PS5  vapor pressure equation of Penoncello et al. (2002).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
118.02             !lower temperature limit [K]
299.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
299.293   4832.0   !reducing parameters
4 0 0 0 0 0        !number of terms in equation
-7.2631   1.0      !coefficients and exponents
 1.3140   1.5
-0.78507  2.4
-3.1991   3.9


#DL         !saturated liquid density equation
DL1  saturated liquid density equation of Penoncello et al. (2002).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
118.02             !lower temperature limit [K]
299.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
299.293   7.52     !reducing parameters
3 0 0 0 0 0        !number of terms in equation
 2.2636    0.37    !coefficients and exponents
 0.47007   0.94
 0.28660   3.1


#DV         !saturated vapor density equation
DV3  saturated vapor density equation of Penoncello et al. (2002).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
118.02             !lower temperature limit [K]
299.0              !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
299.293   7.52     !reducing parameters
4 0 0 0 0 0        !number of terms in equation
-3.5136   0.43     !coefficients and exponents
-7.7491   1.4
-24.871   3.7
-65.637   8.0


@END
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