{ "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": 427.01, "Tmax": 427.0, "Tmin": 171.05, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.013022195594358799, "n": [ -0.9670903356725931, -11.756404923945222, 5.087651519671258, -2.835805078027625, -2.217939014066299, 28.8905424182831 ], "reducing_value": 3651000.0, "t": [ 7.194, 1.03, 1.145, 2.84, 4.613, 18.798 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 427.01, "Tmax": 427.0, "Tmin": 171.05, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.021575129298945228, "n": [ 0.21292235127871662, -7.22997740109537, 0.4023556144042939, -4.366079807014841, -9.155639983057442, 14.533193893397405 ], "reducing_value": 3651000.0, "t": [ 0.775, 0.971, 2.155, 3.232, 9.097, 11.456 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 427.01, "Tmax": 427.0, "Tmin": 171.05, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.04090024884513266, "n": [ -0.645916749226158, 1.2435143264412414, 2.1374254146018647, -1.4105539340976712, 2.697825229930464, -1.236775453941409 ], "reducing_value": 3875.0, "t": [ 0.144, 0.165, 0.53, 1.993, 2.646, 3.593 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 427.01, "Tmax": 427.0, "Tmin": 171.05, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.2646766126847666, "n": [ -0.12316786769188867, -3.5467162730203325, -2.100626576983384, -3.02259697521286, -10.604906302496444, 12.900898794193413 ], "reducing_value": 3875.0, "t": [ 0.075, 0.466, 1.018, 2.817, 6.14, 8.5 ], "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": "Akasaka-PREPINT-2014", "STATES": { "hs_anchor": { "T": 469.711, "T_units": "K", "hmolar": 70290.80034204591, "hmolar_units": "J/mol", "p": 6238135.845934727, "p_units": "Pa", "rhomolar": 3487.5, "rhomolar_units": "mol/m^3", "smolar": 248.49077225816964, "smolar_units": "J/mol/K" }, "reducing": { "T": 427.01, "T_units": "K", "p": 3651000, "p_units": "Pa", "rhomolar": 3875, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 171.05, "T_units": "K", "p": 13.757432423113592, "p_units": "Pa", "rhomolar": 12260.148813937387, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 171.05, "T_units": "K", "p": 13.757432845245189, "p_units": "Pa", "rhomolar": 0.009673802590130228, "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": [ 4, 1, 1, 2, 3, 1, 3, 2, 2, 7 ], "l": [ 0, 0, 0, 0, 0, 2, 2, 1, 2, 1 ], "n": [ 0.057506623, 1.5615975, -2.3614485, -0.51773521, 0.18509788, -0.87405626, -0.27530955, 0.57971151, -0.39934306, -0.033230277 ], "t": [ 1.0, 0.27, 0.9, 1.09, 0.4, 2.9, 1.7, 0.8, 3.6, 1.05 ], "type": "ResidualHelmholtzPower" }, { "beta": [ 1.879, 2.454, 1.256, 21.1 ], "d": [ 1, 1, 3, 3 ], "epsilon": [ 0.709, 0.939, 0.703, 0.777 ], "eta": [ 1.011, 1.447, 1.079, 7.86 ], "gamma": [ 1.081, 0.651, 0.468, 1.293 ], "n": [ 0.83210508, -0.335443, -0.10117801, -0.0091495867 ], "t": [ 1.8, 4.0, 4.5, 2.0 ], "type": "ResidualHelmholtzGaussian" } ], "critical_region_splines": { "T_max": 427.01, "T_min": 427.0096135546516, "_note": "Coefficients for the critical cubic spline. T = c[0]*rho^3 + c[1]*rho^2 + c[2]*rho + c[3] with rho in mol/m^3 and T in K", "cL": [ 0.0, 0.0, -2.7068259197787627e-06, 427.02048895043913 ], "cV": [ 0.0, 0.0, 3.086102462886277e-06, 426.9980413529563 ], "rhomolar_max": 4017.7669749909037, "rhomolar_min": 3749.7788341360238 }, "gas_constant": 8.3144621, "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 }, { "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": 427.01, "T_units": "K", "p": 3651000.0, "p_units": "Pa", "rhomolar": 3875, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 171.05, "T_units": "K", "p": 13.757432423113592, "p_units": "Pa", "rhomolar": 12260.148813937387, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 171.05, "T_units": "K", "p": 13.757432845245189, "p_units": "Pa", "rhomolar": 0.009673802590130228, "rhomolar_units": "mol/m^3" } }, "TRANSPORT": { "conductivity": { "BibTeX": "Huber-IECR-2003", "f_int": { "T_reducing": 1.0, "T_reducing_units": "K", "a": [ 0.00164999, -3.28868e-07 ], "t": [ 0, 1 ] }, "psi": { "a": [ 1.1627, -0.0473491 ], "rhomolar_reducing": 3857.0, "rhomolar_reducing_units": "mol/m^3", "t": [ 0, 1 ] }, "q_D": 1999999999.9999998, "q_D_units": "m", "reference_fluid": "R134a", "type": "ECS" }, "viscosity": { "BibTeX": "Huber-IECR-2003", "epsilon_over_k": 329.72, "epsilon_over_k_units": "K", "psi": { "a": [ 1.1529, -0.044154, 0.0 ], "rhomolar_reducing": 3857.0, "rhomolar_reducing_units": "mol/m^3", "t": [ 0, 1, 2 ] }, "reference_fluid": "R134a", "sigma_eta": 5.529e-10, "sigma_eta_units": "m", "type": "ECS" } } }