{ "ALIASES": [ "SULFURHEXAFLUORIDE", "SF6" ], "ANCILLARIES": { "hL": { "A": [ 1803899.1008555652, -49236.4661487665, 566.5569356192922, -3.6046447739808842, 0.013739089059187344, -3.138526367655234e-05, 3.9785711157176936e-08, -2.1593772804985156e-11 ], "B": [ 1, -0.003121082656263219 ], "Tmax": 318.6232, "Tmin": 223.555, "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 103.07929090218931, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ -4896349.323125627, 131685.87826728314, -1510.2125541592347, 9.60047063766998, -0.03656252623881089, 8.343089358070064e-05, -1.0563043587900361e-07, 5.72544141302124e-11 ], "B": [ 1, -0.0031203592320851225 ], "Tmax": 318.6232, "Tmin": 223.555, "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 233.41040382153278, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 318.7232, "Tmax": 318.7231999999994, "Tmin": 223.555, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.00038142233819149496, "n": [ -0.3409184825729817, -7.189246611969527, -4.574500860459857, -2.1124260160105846, -0.884461264916517, 5.474973854948071 ], "reducing_value": 3754983.0, "t": [ 0.888, 1.017, 1.742, 3.975, 4.849, 1.549 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 318.7232, "Tmax": 318.7231999999994, "Tmin": 223.555, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.007198627134752389, "n": [ 0.13866254916941095, 0.8361075774534089, -7.3007117139128805, 0.28277858186797933, -4.001104677792867, 3.3226792275810393 ], "reducing_value": 3754983.0, "t": [ 0.721, 0.9, 0.96, 1.683, 3.649, 5.325 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 318.7232, "Tmax": 318.7231999999994, "Tmin": 223.555, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.22597643431585546, "n": [ -0.09723399675840705, 2.15858946914358, 1.7637219963539608, -1153.263728198288, 3460.272067774808, -16941.095002681574 ], "reducing_value": 5082.317411198119, "t": [ 0.162, 0.34, 1.704, 5.628, 6.422, 9.099 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 318.7232, "Tmax": 318.7231999999994, "Tmin": 223.555, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.2516035423705376, "n": [ -8.935879409973415, 7.030558315225393, -4.599609615155371, 1.6300884890508534, -2145.5926123421355, 7242407.029292246 ], "reducing_value": 5082.317411198119, "t": [ 0.452, 0.51, 1.021, 1.739, 8.69, 16.008 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ 5385.589057318324, -148.64742843891892, 1.717626518133994, -0.01093960731723319, 4.168650114388426e-05, -9.516366113498675e-08, 1.2053701823330885e-10, -6.536236567827911e-14 ], "B": [ 1, -0.003121331118820851 ], "Tmax": 318.6232, "Tmin": 223.555, "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.3200591505781123, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ -14568.815280747507, 397.15100039296755, -4.584596968425582, 0.02923758657837294, -0.00011151989988083798, 2.546439001377433e-07, -3.2244606528972973e-10, 1.7473223018121934e-13 ], "B": [ 1, -0.0031206555531978378 ], "Tmax": 318.6232, "Tmin": 223.555, "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.7233135610063277, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2012", "Tc": 318.723, "a": [ 0.0538, -4.064e-05 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.271, 0.2116 ] } }, "CAS": "2551-62-4", "ENVIRONMENTAL": { "ASHRAE34": "UNKNOWN", "FH": 0, "GWP100": 22800.0, "GWP20": 16300.0, "GWP500": 32600.0, "HH": 1, "Name": "SulfurHexafluoride", "ODP": -1.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Guder-JPCRD-2009", "STATES": { "hs_anchor": { "T": 350.59552, "T_units": "K", "hmolar": 44157.62051767658, "hmolar_units": "J/mol", "p": 6149262.486764875, "p_units": "Pa", "rhomolar": 4574.085670078307, "rhomolar_units": "mol/m^3", "smolar": 191.75175408496216, "smolar_units": "J/mol/K" }, "reducing": { "T": 318.7232, "T_units": "K", "hmolar": 39373.73797656205, "hmolar_units": "J/mol", "p": 3754983, "p_units": "Pa", "rhomolar": 5082.317411198119, "rhomolar_units": "mol/m^3", "smolar": 178.91310961710064, "smolar_units": "J/mol/K" }, "sat_min_liquid": { "T": 223.555, "T_units": "K", "hmolar": 22502.979510149802, "hmolar_units": "J/mol", "p": 231424.4772459795, "p_units": "Pa", "rhomolar": 12632.389958337973, "rhomolar_units": "mol/m^3", "smolar": 119.39658014020354, "smolar_units": "J/mol/K" }, "sat_min_vapor": { "T": 223.555, "T_units": "K", "hmolar": 38659.1001242935, "hmolar_units": "J/mol", "p": 231425.42631345996, "p_units": "Pa", "rhomolar": 133.92420986345334, "rhomolar_units": "mol/m^3", "smolar": 191.66565711532022, "smolar_units": "J/mol/K" } }, "T_max": 650, "T_max_units": "K", "Ttriple": 223.555, "Ttriple_units": "K", "acentric": 0.21, "acentric_units": "-", "alpha0": [ { "a1": 11.638611086, "a2": -6.392241811, "type": "IdealGasHelmholtzLead" }, { "a": 3, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 3.66118232, 7.87885103, 3.45981679 ], "t": [ 1.617282065, 2.747115139, 4.232907175 ], "type": "IdealGasHelmholtzPlanckEinstein" }, { "a1": -27.047571044927, "a2": 17.2073865481014, "reference": "IIR", "type": "IdealGasHelmholtzEnthalpyEntropyOffset" } ], "alphar": [ { "d": [ 1, 1, 1, 2, 2, 2, 3, 3, 4, 6, 1, 2, 2, 2, 3, 6, 2, 2, 4, 4, 2, 2 ], "l": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3 ], "n": [ 0.54958259132835, -0.87905033269396, -0.84656969731452, 0.27692381593529, -4.9864958372345, 4.8879127058055, 0.036917081634281, 0.00037030130305087, 0.039389132911585, 0.00042477413690006, -0.02415001386389, 0.059447650642255, -0.38302880142267, 0.32606800951983, -0.029955940562031, -0.086579186671173, 4.1600684707562, -4.1398128855814, -0.55842159922714, 0.56531382776891, 0.0082612463415545, -0.01020099533808 ], "t": [ 0.125, 1.25, 1.875, 0.125, 1.5, 1.625, 1.5, 5.625, 0.625, 0.25, 6, 0.25, 4.75, 5.375, 5.875, 2, 5.875, 6, 5.625, 5.75, 0, 0.5 ], "type": "ResidualHelmholtzPower" }, { "beta": [ 150, 150, 150, 150, 225, 300, 350, 350, 350, 350, 400, 400, 400, 400 ], "d": [ 1, 3, 4, 1, 1, 4, 3, 4, 4, 4, 1, 1, 3, 3 ], "epsilon": [ 0.85, 0.85, 0.85, 0.85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ], "eta": [ 10, 10, 10, 10, 11, 25, 30, 30, 30, 30, 30, 30, 30, 30 ], "gamma": [ 1.13, 1.13, 1.13, 1.16, 1.19, 1.19, 1.16, 1.16, 1.16, 1.16, 1.22, 1.22, 1.22, 1.22 ], "n": [ -0.021662523861406, 0.034650943893908, -0.028694281385812, 0.0084007238998053, -0.26969359922498, 9.0415215646344, -3.7233103557977, -2752.4670823704, 5771.1861697319, -3023.4003119748, 2225277.843536, -2305606.5559032, 6391885.2944475, -6079209.1415592 ], "t": [ 4, 1, 3, 2, 4, 3, 4, 1, 2, 3, 3, 4, 3, 4 ], "type": "ResidualHelmholtzGaussian" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.1460554192, "molar_mass_units": "kg/mol", "p_max": 150000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "SulfurHexafluoride", "REFPROP_NAME": "SF6", "STATES": { "critical": { "T": 318.7232, "T_units": "K", "p": 3754983.0, "p_units": "Pa", "rhomolar": 5082.317411198119, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 223.555, "T_units": "K", "hmolar": 22502.979510149802, "hmolar_units": "J/mol", "p": 231424.4772459795, "p_units": "Pa", "rhomolar": 12632.389958337973, "rhomolar_units": "mol/m^3", "smolar": 119.39658014020354, "smolar_units": "J/mol/K" }, "triple_vapor": { "T": 223.555, "T_units": "K", "hmolar": 38659.1001242935, "hmolar_units": "J/mol", "p": 231425.42631345996, "p_units": "Pa", "rhomolar": 133.92420986345334, "rhomolar_units": "mol/m^3", "smolar": 191.66565711532022, "smolar_units": "J/mol/K" } }, "TRANSPORT": { "conductivity": { "BibTeX": "Assael-JPCRD-2012-SF6", "critical": { "GAMMA": 0.052, "R0": 1.01, "gamma": 1.2415, "qD": 2857000000.0, "type": "simplified_Olchowy_Sengers", "zeta0": 1.9e-10 }, "dilute": { "A": [ 1461.86, -18.5394, 0.0777891, 2.41059e-05 ], "B": [ 29661.7, 505.67, 1 ], "T_reducing": 1, "T_reducing_units": "K", "m": [ 0, 1, 2 ], "n": [ 0, 1, 2, 3 ], "type": "ratio_of_polynomials" }, "residual": { "B": [ -0.0283746, 0.0352768, 0.0207472, -0.0433053, -0.0055718, 0.0512084, 0.0053289, -0.0290262, -0.00161688, 0.00598438 ], "T_reducing": 318.7232, "T_reducing_units": "K", "d": [ 1, 1, 2, 2, 3, 3, 4, 4, 5, 5 ], "note": "There is a typo in Assael, New correction: use reducing density of 5.0823 mol/L (742.297/ 146.0554192) and Tref = 478.08 || Old correction: to get the correct values in REFPROP they use a molar reducing density of 5.046 mol/L or 5046*0.1460554192 = 736.9956452832 kg/m^3", "rhomass_reducing": 742.297, "rhomass_reducing_units": "kg/m^3", "t": [ 0, -1, 0, -1, 0, -1, 0, -1, 0, -1 ], "type": "polynomial" } }, "viscosity": { "BibTeX": "QuinonesCisneros-JPCRD-2012", "dilute": { "a": [ 0.000118561, -8.948633138369e-05, 2.3325614004395282e-05, -2.191287992665495e-06, 7.69887476029357e-08 ], "t": [ 0, 0.25, 0.5, 0.75, 1 ], "type": "powers_of_T" }, "epsilon_over_k": 215.0, "epsilon_over_k_units": "K", "higher_order": { "Aa": [ -6.87811e-07, 8.22661e-07, -3.54867e-07 ], "Aaa": [ 9.99563e-11, -9.64167e-12, -7.54196e-12 ], "Aaaa": [ 0, -5.69402e-14, 2.9219e-14 ], "Adrdr": [ -8.98256e-11, -8.49428e-11, 0 ], "Ai": [ 5.38783e-08, 1.63805e-09, -2.0816e-08 ], "Aii": [ -8.53432e-09, 1.14404e-08, -5.65762e-09 ], "Ar": [ 1.72737e-07, -2.02448e-07, 1.95952e-07 ], "Arrr": [ 0, 0, 2.2798e-14 ], "Na": 1, "Naa": 3, "Naaa": 1, "Nii": 3, "Nr": 1, "Nrr": 3, "Nrrr": 1, "T_reduce": 318.7232, "c1": 1, "c2": 1, "type": "friction_theory" }, "sigma_eta": 5.205e-10, "sigma_eta_units": "m" } } }