{ "ALIASES": [ "R245FA" ], "ANCILLARIES": { "hL": { "A": [ -91881.04195035348, 420.8281309300612, -0.412102543604608, -0.003143464888370794, 2.1949355018480847e-05, -6.535506982538473e-08, 9.436153792908897e-11, -5.4843377441499966e-14 ], "B": [ 1, -0.002320817216912323 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 374.96359217885765, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ 38964.50415858328, 178.75808674860187, -5.179201882082178, 0.03893464107939214, -0.00015767940864055223, 3.6495991177580706e-07, -4.552805595296344e-10, 2.3902287662235015e-13 ], "B": [ 1, -0.0023183168736682584 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 807.8257736525482, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 427.16, "Tmax": 427.15999999999934, "Tmin": 171.05, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.04099399491688249, "n": [ 0.0004869832757370176, -6.919145483936883, -1.296447452384627, -109.63729861885537, 107.66538794686012, -3.4622351305818055 ], "reducing_value": 3651000.0, "t": [ 0.01, 0.975, 2.763, 4.376, 4.413, 6.994 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 427.16, "Tmax": 427.15999999999934, "Tmin": 171.05, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.018077333401533835, "n": [ -125.12984314778919, 152.9911248662765, -35.27317598226143, -4.102406386050718, 0.25362281678701887, -1.994325281027591 ], "reducing_value": 3651000.0, "t": [ 1.141, 1.179, 1.287, 3.64, 5.737, 7.077 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 427.16, "Tmax": 427.15999999999934, "Tmin": 171.05, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.6726827141749103, "n": [ 5.25176887594682, -4.096294176783149, 10.999081251417799, -11.640705049730522, 4.081973016432867, -133.73894447755137 ], "reducing_value": 3849.9999999999995, "t": [ 0.42, 0.565, 1.624, 1.967, 4.012, 15.818 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 427.16, "Tmax": 427.15999999999934, "Tmin": 171.05, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.6375071010457756, "n": [ -2.215307322989694, -1.1625687686537725, -7.315572965034845, 5.341825675363525, -7.602957384362923, 17.028040285012285 ], "reducing_value": 3849.9999999999995, "t": [ 0.383, 0.46, 1.442, 1.848, 3.855, 12.963 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ -587.4402787602353, 6.496640413158142, -0.04104860463241552, 0.00017295153020151715, -4.6643800620580545e-07, 7.658903149301001e-10, -6.973276646232488e-13, 2.679414978105911e-16 ], "B": [ 1, -0.0023186588900237282 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.9296767865090985, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ 1350.7856202549488, -20.383932562344995, 0.15010341589090437, -0.0006587456169984985, 1.7909486063160096e-06, -2.958430838455249e-09, 2.717926945445555e-12, -1.0608395397454008e-15 ], "B": [ 1, -0.0023144332426346145 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 2.0663358632074718, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2012", "Tc": 427.16, "a": [ 0.073586, 0.0103, -0.02663 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.0983, 0.60033, 0.72765 ] } }, "CAS": "460-73-1", "ENVIRONMENTAL": { "ASHRAE34": "B1", "FH": 0, "GWP100": 1030.0, "GWP20": 3380.0, "GWP500": 314.0, "HH": 2, "Name": "R245fa", "ODP": -1.0, "PH": 1 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-JCED-2006", "STATES": { "hs_anchor": { "T": 469.8760000000001, "T_units": "K", "hmolar": 70413.00775025185, "hmolar_units": "J/mol", "p": 6241526.83792829, "p_units": "Pa", "rhomolar": 3465.0, "rhomolar_units": "mol/m^3", "smolar": 248.63736779231618, "smolar_units": "J/mol/K" }, "reducing": { "T": 427.16, "T_units": "K", "p": 3651000, "p_units": "Pa", "rhomolar": 3850, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 171.05, "T_units": "K", "p": 0.012514805987099153, "p_units": "Pa", "rhomolar": 12292.489206924556, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 171.05, "T_units": "K", "p": 0.012514805987099153, "p_units": "Pa", "rhomolar": 0.008800777185860847, "rhomolar_units": "mol/m^3" } }, "T_max": 440, "T_max_units": "K", "Ttriple": 171.05, "Ttriple_units": "K", "accentric": 0.3776, "accentric_units": "-", "alpha0": [ { "a1": -13.4283638514, "a2": 9.87236538, "type": "IdealGasHelmholtzLead" }, { "a": 3, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 5.5728, 10.385, 12.554 ], "t": [ 0.5197115834815994, 2.364453600524394, 5.735555763648281 ], "type": "IdealGasHelmholtzPlanckEinstein" } ], "alphar": [ { "d": [ 1, 1, 1, 3, 7, 1, 2, 5, 1, 1, 4, 2 ], "l": [ 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3 ], "n": [ 1.2904, -3.2154, 0.50693, 0.093148, 0.00027638, 0.71458, 0.87252, -0.015077, -0.40645, -0.11701, -0.13062, -0.022952 ], "t": [ 0.25, 1.25, 1.5, 0.25, 0.875, 2.375, 2, 2.125, 3.5, 6.5, 4.75, 12.5 ], "type": "ResidualHelmholtzPower" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.13404794, "molar_mass_units": "kg/mol", "p_max": 200000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "R245fa", "REFPROP_NAME": "R245FA", "STATES": { "critical": { "T": 427.16, "T_units": "K", "p": 3651000.0, "p_units": "Pa", "rhomolar": 3849.9999999999995, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 171.05, "T_units": "K", "p": 0.012514805987099153, "p_units": "Pa", "rhomolar": 12292.489206924556, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 171.05, "T_units": "K", "p": 0.012514805987099153, "p_units": "Pa", "rhomolar": 0.008800777185860847, "rhomolar_units": "mol/m^3" } } }