R115 !short name (same as file name) 76-15-3 !CAS number chloropentafluoroethane CFC-115 !synonym1 R-115 !synonym2 154.4667 !molecular weight [g/mol] 173.76 !triple pt temperature [K] 234.21 !normal boiling pt [K] (computed from ECS model) 353.1 !critical temperature [K] 3120. !critical pressure [kPa] 3.96914 !critical density [mol/L] 0.2520 !acentric factor (computed from ECS model) 0.52 !dipole moment [Debye]; value from REFPROP v5.10 IIR !default reference state 6.001 !version number ! compiled by E.W. Lemmon, NIST Physical and Chemical Properties Division, Boulder, Colorado ! 06-09-97 EWL, original version ! 06-10-97 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 ! 11-04-97 MM, enter thermal conductivity shape factor fitted to data ! 11-13-97 EWL, add Platzer equation #EOS !equation of state specification ECS extended corresponding states model w/ T-dependent shape factors. ?LITERATURE REFERENCE for ECS METHOD\ ?Huber, M.L. and Ely, J.F. A predictive extended corresponding states model for ? pure and mixed refrigerants including an equation of state for R134a. ? Int. J. Refrigeration 17:18-31 (1994).\ ?\ ?parameters fitted by E.W. Lemmon, NIST, 06-09-97\ ?Average absolute deviations of the fit from the experimental data were:\ ? PVT: 0.76%; Psat: 0.49%; Cv: 0.73%; Cp: 0.15%\ ?\ ?DATA SOURCES\ ?Mears, W.H., Rosenthal, E. and Sinka, J.V.. (1993). ? Pressure-Volume-Temperature Behavior of Pentafluoromonochloroethane.\ ? J. Chem. Eng. Data, 11(3):338-43.\ ?\ ?Ernst, G. and Busser, J. (1970) Ideal and real gas state heat capacities Cp of ? C(3)H(8), i-C(4)H(10), C(2)F(5)Cl, CH(2)ClCF(3), CF(2)ClCFCl(2), and CHF(2)Cl. ? J. Chem. Thermodyn., 2:787-791.\ ?\ ?Aston, J.G., Wills, P.E. and Zolki, T.P. (1955). ? "The Heat Capacities from 10.9 K, Heats of Transition, Fusion and ? Vaporization, Vapor Pressures and Entropy of Pentafluorochloroethane, ? the Barrier Hindering Internal Rotation," ? J. Am. Chem. Soc., 77:3939-41.\ ?\ ?Hwang, Y.-T. (1961). ? The Constant Volume Heat Capacities of Gaseous Tetrafluoromethane, ? Chlorodifluoromethane, Dichlorotetrafluoroethane and Chloropentafluoroethane, ? Ph.D. Dissertation, University of Michigan, Ann Arbor.\ ?\ !end info 173.76 !lower temperature limit [K] 500.00 !upper temperature limit [K] 60000.0 !upper pressure limit [kPa] 11.4275 !maximum density [mol/L] CPP !pointer to Cp0 model R113.fld FEQ !pointer to reference fluid model 0.25253 !acentric factor for R113 used in shape factor correlation 0.280191 !critical compressibility for R113 used in correlation 0.2520 !acentric factor for fluid used in shape factor correlation 353.1 !critical temperature [K] 3120. !critical pressure [kPa] 3.96914 !critical density [mol/L] 3 !number of temperature coefficients for 'f' shape factor -0.107396327d+3 0 !alpha1 of Huber & Ely -0.829417859d+2 1 !alpha2 of Huber & Ely (log(Tr) term) -0.604614424d-1 1 0 !number of density coefficients for 'f' shape factor 2 !number of temperature coefficients for 'h' shape factor -0.211568129d+2 0 !beta1 of Huber & Ely -0.156056597d+2 1 !beta2 of Huber & Ely (log(Tr) term) 0 !number of density coefficients for 'h' shape factor #AUX !auxiliary model specification CPP polynomial fit for ideal gas heat capacity ?Based on data of:\ ?Ernst, G. and Busser, J. Ideal and real gas state heat capacities Cp of ? C(3)H(8), i-C(4)H(10), C(2)F(5)Cl, CH(2)ClCF(3), CF(2)ClCFCl(2), and CHF(2)Cl. ? J. Chem. Thermodyn., 2:787-791, 1970.\ ?\ !end info 173.76 !lower temperature limit [K] 500.0 !upper temperature limit [K] 0.00 !upper pressure limit [kPa] 0.00 !maximum density [mol/L] 1.000 8.31451 !reducing parameters for T, Cp0 3 0 !Nterms: polynonial, exponential 0.6569405d-01 1.00 !c(i), power of T -0.8247482d-04 2.00 0.3738904d-07 3.00 @EOS !equation of state specification FEQ Bender equation of state (Platzer et al 1990) transformed to Helmholtz form. ?LITERATURE REFERENCE \ ?B. Platzer, A. Polt, and G. Maurer. Thermophysical properties of refrigerants. ? Berlin: Springer-Verlag (1990).\ ?\ !end of info section 200.0 !lower temperature limit [K] 450.0 !upper temperature limit [K] 7000.0 !upper pressure limit [kPa] 10.7 !maximum density [mol/L] CP1 !pointer to Cp0 model 154.467 !molecular weight [g/mol] 200.0 !triple point temperature [K] 16.213 !pressure at triple point [kPa] 10.743 !density at triple point [mol/L] 234.03 !normal boiling point temperature [K] 0.2520 !acentric factor 353.1 3160.0 3.9714 !Tc [K], pc [kPa], rhoc [mol/L] 353.1 3.9714 !reducing parameters [K, mol/L] 8.31451 !gas constant [J/mol-K] 22 5 0 0 0 0 !Nterm, Ncoeff per term -0.377294477051d+0 3.000 0.00 0 0.0 !a(i),t(i),d(i),l(i) -0.695891789165d-1 4.000 0.00 0 0.0 0.206972205161d+0 5.000 0.00 0 0.0 0.266609543946d+0 0.000 1.00 0 0.0 -0.117158857583d+1 1.000 1.00 0 0.0 0.817521154071d+0 2.000 1.00 0 0.0 -0.978729789251d+0 3.000 1.00 0 0.0 -0.174482448760d+0 4.000 1.00 0 0.0 0.143598704796d+1 0.000 2.00 0 0.0 -0.265460417723d+1 1.000 2.00 0 0.0 0.165212655822d+1 2.000 2.00 0 0.0 -0.588257570097d+0 0.000 3.00 0 0.0 0.738774518022d+0 1.000 3.00 0 0.0 0.296779702685d+0 0.000 4.00 0 0.0 -0.534330750773d+0 1.000 4.00 0 0.0 0.659766160237d-1 1.000 5.00 0 0.0 0.377294477051d+0 3.000 0.00 2 1.50553819 0.695891789165d-1 4.000 0.00 2 1.50553819 -0.206972205161d+0 5.000 0.00 2 1.50553819 -0.350603135603d+0 3.000 2.00 2 1.50553819 0.108682541098d+1 4.000 2.00 2 1.50553819 -0.619304197853d+0 5.000 2.00 2 1.50553819 #AUX !auxiliary model specification CP1 polynomial fit for ideal gas heat capacity ?LITERATURE REFERENCE \ ?B. Platzer, A. Polt, and G. Maurer. Thermophysical properties of refrigerants. ? Berlin: Springer-Verlag (1990).\ ?\ !end of info section 200.0 !lower temperature limit [K] 450.0 !upper temperature limit [K] 0.0 !upper pressure limit [kPa] 0.0 !maximum density [mol/L] 1.000 8.31451 !reducing parameters for T, Cp0 5 0 !Nterms: polynonial, exponential 0.24409547d+01 0.0 0.53544743d-01 1.0 -0.81861429d-04 2.0 0.10410538d-06 3.0 -0.71645701d-10 4.0 #TRN !transport model specification ECS Extended Corresponding States model for transport props (R134a reference). ?LITERATURE REFERENCES FOR THE ECS MODEL \ ?Klein, S.A., McLinden, M.O. and Laesecke, A. (1997). An improved extended ? corresponding states method for estimation of viscosity of pure refrigerants ? and mixtures. Int. J. Refrigeration 20: 208-217. \ ?\ ?Huber, M.L., Friend, D.G. and Ely, J.F. Prediction of the thermal ? conductivity of refrigerants and refrigerant mixtures. ? Fluid Phase Equilibria 80: 249-261 (1992). \ ?\ ?DATA SOURCES FOR THERMAL CONDUCTIVITY\ ?The ECS parameters for thermal conductivity were based on the data of:\ ?\ ?Hahne, E., Gross, U. and Song, Y.W. (1989). The thermal conductivity of R115 ? in the critical region. Int. J. Thermophysics 10: 687-700.\ ?\ ?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:\ ? Hahne: 5.76%; Yata: 1.19%; Overall: 5.57%\ ?\ ?Lennard-Jones parameters are estimated.\ ? !end of info section 173.76 !lower temperature limit [K] 600.0 !upper temperature limit [K] 200000.0 !upper pressure limit [kPa] 17.9380 !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) 0.00000 !Lennard-Jones coefficient Sigma [nm] 000.00 !L-J coefficient epsilon/kB [K] 1 0 0 !number of terms in f_int term in Eucken correlation, spare1, spare 2 1.3200d-3 0.0 0.0 0.0 !coeff, power of T, spare 1, spare 2 0 0 0 !number of terms in psi (visc shape factor): poly,spare1,spare2 2 0 0 !number of terms in chi (t.c. shape factor): poly,spare1,spare2 1.0338d+0 0.0 0.0 0.0 !coeff, power of Tr, power of Dr, spare -2.0661d-3 0.0 1.0 0.0 #STN !surface tension specification ST1 surface tension model ?LITERATURE REFERENCE \ ?Okada, M. and Watanabe, K. (1988). Surface tension correlations for several ? fluorocarbon refrigerants. Heat Transfer_Japanese Research 17: 35-52.\ ? !end info 173.76 !lower temperature limit [K] 353.1 !upper temperature limit [K] 0.00 !(dummy) upper pressure limit 0.00 !(dummy) maximum density 1 !number of terms 353.1d0 !critical temperature used by Okada & Watanabe (dummy) 0.04599d0 1.22d0 !sigma0 and n @END c 1 2 3 4 5 6 7 8 c2345678901234567890123456789012345678901234567890123456789012345678901234567890