water.fld

一个关于物性计算的软件

251.165            !lower temperature limit [K]
1275.0             !upper temperature limit [K]
1000000.0          !upper pressure limit [kPa]
73.96              !maximum density [mol/L]
H2O                !pointer to hardcoded thermal conductivity model
4 0 24 0 0 0 0 0   !number of terms for various pieces
647.226  17.6385386   .4945     !reducing parameters for T, rho, tcx
 1.000000     0.  0. 0. 0       !coeff, power in T
 6.978267     1.  0. 0. 0
 2.599096     2.  0. 0. 0
-0.998254     3.  0. 0. 0
 1.3293046    0.  0. 0. 0
 1.7018363    1.  0. 0. 0
 5.2246158    2.  0. 0. 0
 8.7127675    3.  0. 0. 0
-1.8525999    4.  0. 0. 0
-0.40452437   0.  1. 0. 0
-2.2156845    1.  1. 0. 0
-10.124111    2.  1. 0. 0
-9.5000611    3.  1. 0. 0
 0.9340469    4.  1. 0. 0
 0.2440949    0.  2. 0. 0
 1.6511057    1.  2. 0. 0
 4.9874687    2.  2. 0. 0
 4.3786606    3.  2. 0. 0
 0.018660751  0.  3. 0. 0
-0.76736002   1.  3. 0. 0
-0.27297694   2.  3. 0. 0
-0.91783782   3.  3. 0. 0
-0.12961068   0.  4. 0. 0
 0.37283344   1.  4. 0. 0
-0.43083393   2.  4. 0. 0
 0.044809953  0.  5. 0. 0
-0.11203160   1.  5. 0. 0
 0.13333849   2.  5. 0. 0
NUL                !pointer to critical enhancement auxiliary function


#ETA               !viscosity model specification
VS0  pure fluid viscosity model of Kestin et al. (1984).
?LITERATURE REFERENCE \
?International Association for the Properties of Water and Steam,
? "Revised Release on the IAPS Formulation 1985 for the Viscosity
? of Ordinary Water Substance," IAPWS, 1997.
?\
?Kestin, J., Sengers, J.V., Kamgar-Parsi, B. and Levelt Sengers, J.M.H.
? "Thermophysical Properties of Fluid H2O,"
? J. Phys. Chem. Ref. Data, 13(1):175-183, 1984.
?\
?For the uncertainties in the viscosity, see the IAPWS Release.
?\
!end of info section
251.165            !lower temperature limit [K]
1275.0             !upper temperature limit [K]
1000000.0          !upper pressure limit [kPa]
73.96              !maximum density [mol/L]
H2O                !pointer to hardcoded thermal conductivity model
0 0 4 19 2 0 0 0   !number of terms for various pieces
647.226  17.6385386   55.071    !reducing parameters for T, rho, eta
 1.000000     0.0 0. 0. 0       !coeff, power in T
 0.978197     1.0 0. 0. 0
 0.579829     2.0 0. 0. 0
-0.202354     3.0 0. 0. 0
 0.5132047    0.  0. 0. 0
 0.3205656    1.  0. 0. 0
-0.7782567    4.  0. 0. 0
 0.1885447    5.  0. 0. 0
 0.2151778    0.  1. 0. 0
 0.7317883    1.  1. 0. 0
 1.241044     2.  1. 0. 0
 1.476783     3.  1. 0. 0
-0.2818107    0.  2. 0. 0
-1.070786     1.  2. 0. 0
-1.263184     2.  2. 0. 0
 0.1778064    0.  3. 0. 0
 0.4605040    1.  3. 0. 0
 0.2340379    2.  3. 0. 0
-0.4924179    3.  3. 0. 0
-0.0417661    0.  4. 0. 0
 0.1600435    3.  4. 0. 0
-0.01578386   1.  5. 0. 0
-0.003629481  3.  6. 0. 0
 22115.0      0.  0. 0. 0
 0.922        0.0263 21.93 0. 0
NUL                !pointer to critical enhancement auxiliary function (none used)


@TRN               !transport model specification
ECS  Extended Corresponding States model (R134a reference); predictive mode.
?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.
?\
?the Lennard-Jones parameters are taken from:
?\
?Reid, R.C., Prausnitz, J.M., and Poling, B.E.,
? "The Properties of Gases and Liquids,"
? 4th edition, New York, McGraw-Hill Book Company, 1987.
?\
!end of info section
273.16             !lower temperature limit [K]
1275.0             !upper temperature limit [K]
1000000.0          !upper pressure limit [kPa]
73.96              !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)
0.2641             !Lennard-Jones coefficient sigma [nm] for ECS method
809.1              !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
1  0  0                       !number of terms in chi (t.c. shape factor): poly,spare1,spare2
 1.0000d+0   0.0   0.0   0.0  !coeff, power of Tr, power of Dr, spare


#STN        !surface tension specification
ST1  surface tension model from IAPWS.
?LITERATURE REFERENCE \
?International Association for the Properties of Water and Steam,
? "Release on the surface tension of ordinary water substance,"
? Physical Chemistry of Aqueous Systems:  Proceedings of the 12th
? International Conference on the Properties of Water and Steam,
? Orlando, Florida, September 11-16, A139-A142, 1994.
?\
?For the uncertainties in surface tension, see the IAPWS Release.
?\
!end of info section
273.16             !lower temperature limit [K]
647.096            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
2                           !number of terms in surface tension model
647.096                     !critical temperature used in fit (dummy)
 0.2358      1.256          !sigma0 and n
-0.147375    2.256


#DE         !dielectric constant specification
DE2  dielectric constant model of Fernandez et al. (1997).
?LITERATURE REFERENCE \
?Fernandez, D.P., Goodwin, A.R.H., Lemmon, E.W., Levelt Sengers, J.M.,
? and Williams, R.C.
? "A Formulation for the Static Permittivity of Water and Steam at
? Temperatures from 238 K to 873 K at Pressures up to 1200 MPa,
? Including Derivatives and Debye-Huckel Coefficients,"
? J. Phys. Chem. Ref. Data, 26(4):1125-1165, 1997.
?\
!end of info section
273.16             !lower temperature limit [K]
1275.0             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
647.096 17.8737279956 1.0    !reducing parameters for t, d, and p
11 1 0 0 0 0                        !number of terms in dielectric constant model
 0.978224486826d+0  0.25d0 1.    0. !coef, t exp, d exp, p exp
-0.957771379375d+0  1.     1.    0.
 0.237511794148d+0  2.5d0  1.    0.
 0.714692244396d+0  1.5d0  2.    0.
-0.298217036956d+0  1.5d0  3.    0.
-0.108863472196d+0  2.5d0  3.    0.
 0.949327488264d-1  2.     4.    0.
-0.980469816509d-2  2.     5.    0.
 0.165167634970d-4  5.     6.    0.
 0.937359795772d-4  0.5d0  7.    0.
-0.123179218720d-9  10.    10.   0.
 0.196096504426d-2  228.   1.    1.2d0


#MLT        !melting line specification
MLW  melting line model of Wagner et al. (1994).
?LITERATURE REFERENCE \
?Wagner, W., Saul, A., and Pruss, A.,
? "International Equations for the Pressure Along the Melting and Along
? the Sublimation Curve of Ordinary Water Substance,"
? J. Phys. Chem. Ref. Data, 23(3):515-527, 1994.
?\
!end of info section
251.165            !lower temperature limit [K]
1275.0             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
1.0      1.0       !reducing temperature and pressure
0 0 0 0 0 0                 !number of terms in melting line equation


#SBL        !sublimation line specification
SB2  sublimation line model of Wagner et al. (1994).
?LITERATURE REFERENCE \
?Wagner, W., Saul, A., and Pruss, A.,
? "International Equations for the Pressure Along the Melting and Along
? the Sublimation Curve of Ordinary Water Substance,"
? J. Phys. Chem. Ref. Data, 23(3):515-527, 1994.
?\
!end of info section
190.0              !lower temperature limit [K]
273.16             !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
273.16 0.611657    !reducing temperature and pressure
4 0 0 0 0 0                 !number of terms in sublimation line equation
-13.928169      0.          !coefficients and exponents
 34.7078238     0.
 13.928169     -1.5
-34.7078238    -1.25


#PS         !vapor pressure equation
PS6  vapor pressure equation of Wagner and Pruss (2002).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
273.16             !lower temperature limit [K]
647.096            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
647.096 22064.0    !reducing parameters
6 0 0 0 0 0                 !number of terms in equation
 -7.85951783         2.     !coefficients and exponents
  1.84408259         3.
 -11.7866497         6.
  22.6807411         7.
 -15.9618719         8.
  1.80122502         15.


#DL         !saturated liquid density equation
DL2  saturated liquid density equation of Wagner and Pruss (2002).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
273.16             !lower temperature limit [K]
647.096            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
647.096 17.8737279956 !reducing parameters
6 0 0 0 0 0                 !number of terms in equation
  1.99274064         1.     !coefficients and exponents
  1.09965342         2.
 -0.510839303        5.
 -1.75493479         16.
 -45.5170352         43.
 -6.74694450d5       110.


#DV         !saturated vapor density equation
DV4  saturated vapor density equation of Wagner and Pruss (2002).
?LITERATURE REFERENCE \
?See EOS
?\
!end of info section
273.16             !lower temperature limit [K]
647.096            !upper temperature limit [K]
0.0                !(dummy) upper pressure limit
0.0                !(dummy) maximum density
647.096 17.8737279956 !reducing parameters
6 0 0 0 0 0                 !number of terms in equation
 -2.03150240         1.0    !coefficients and exponents
 -2.68302940         2.0
 -5.38626492         4.0
 -17.2991605         9.0
 -44.7586581         18.5
 -63.9201063         35.5


@END
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