{ "ALIASES": [ "N2O", "NITROUSOXIDE" ], "ANCILLARIES": { "hL": { "A": [ 111857.389999156, -4158.191532127559, 56.19847910811489, -0.40677648110034176, 0.0017502962091673476, -4.497587084838829e-06, 6.3950859132759225e-09, -3.8855996991704406e-12 ], "B": [ 1, -0.003210961054093314 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 131.4807162110128, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "hLV": { "A": [ -326975.5785940921, 10605.815614103794, -139.5787103932048, 1.0066981230551333, -0.004333679460761432, 1.1146340278134103e-05, -1.5867364050691295e-08, 9.653392929699194e-12 ], "B": [ 1, -0.0032091324553694205 ], "_note": "coefficients are in increasing order; input in K, output in J/mol; value is enthalpy minus hs_anchor enthalpy", "max_abs_error": 290.1970206116757, "max_abs_error_units": "J/mol", "type": "rational_polynomial" }, "pL": { "T_r": 309.52, "Tmax": 309.51999999999924, "Tmin": 182.33, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.006797151133386414, "n": [ -24.198485663914695, 18.980157921169518, -0.9915637584760082, -3.6052256452535647, 52.20126113055801, -340.2395463889685 ], "reducing_value": 7245000.0, "t": [ 1.06, 1.105, 1.754, 4.415, 9.887, 12.55 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 309.52, "Tmax": 309.51999999999924, "Tmin": 182.33, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.008317995318263272, "n": [ 2.115457947739384, -17.675380864870732, -0.29834585629296156, -2.0057540709496644, -5.223431208153363, 9.982409851956168 ], "reducing_value": 7245000.0, "t": [ 0.985, 1.029, 1.616, 3.337, 7.323, 1.092 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 309.52, "Tmax": 309.51999999999924, "Tmin": 182.33, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.6835792444787825, "n": [ 2.248014962727216, 1354.8814407985476, -227009237.43183637, 312935961.0720787, -139155040.7743576, 295107831.0429585 ], "reducing_value": 10270.000000000002, "t": [ 0.374, 6.796, 13.027, 13.205, 14.362, 18.638 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 309.52, "Tmax": 309.51999999999924, "Tmin": 182.33, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.5406788216657077, "n": [ -3.439484106428665, -35.87348642351084, 98.43310989645504, -173.87569213455475, 30857.724063434925, -31916.967231256218 ], "reducing_value": 10270.000000000002, "t": [ 0.428, 2.405, 3.115, 4.433, 8.312, 8.395 ], "type": "rhoV", "using_tau_r": true }, "sL": { "A": [ 182.93803334947646, -9.880135032085946, 0.1479891364808885, -0.0011210767294807986, 4.945188613341225e-06, -1.2907947538140117e-08, 1.8552772412752234e-11, -1.135854726603182e-14 ], "B": [ 1, -0.003211312421497262 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.41958354212450644, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "sLV": { "A": [ -317.89618109041766, 19.339935889777422, -0.30831430211028815, 0.0024360844223763802, -1.1057621927989476e-05, 2.9446324589744924e-08, -4.295856557193896e-11, 2.661014541502115e-14 ], "B": [ 1, -0.0032094793244011226 ], "_note": "coefficients are in increasing order; input in K, output in J/mol/K; value is entropy minus hs_anchor entropy", "max_abs_error": 0.9274291168300905, "max_abs_error_units": "J/mol/K", "type": "rational_polynomial" }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2012", "Tc": 309.52, "a": [ 0.07087 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.204 ] } }, "CAS": "10024-97-2", "ENVIRONMENTAL": { "ASHRAE34": "UNKNOWN", "FH": 0, "GWP100": 320.0, "GWP20": 290.0, "GWP500": 180.0, "HH": 1, "Name": "NitrousOxide", "ODP": -1.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-JCED-2006", "STATES": { "hs_anchor": { "T": 340.472, "T_units": "K", "hmolar": 15860.779748308802, "hmolar_units": "J/mol", "p": 11652892.8514407, "p_units": "Pa", "rhomolar": 9243.0, "rhomolar_units": "mol/m^3", "smolar": 57.45090632475193, "smolar_units": "J/mol/K" }, "reducing": { "T": 309.52, "T_units": "K", "p": 7245000, "p_units": "Pa", "rhomolar": 10270, "rhomolar_units": "mol/m^3" }, "sat_min_liquid": { "T": 182.33, "T_units": "K", "p": 87837.43922592292, "p_units": "Pa", "rhomolar": 28113.43207935748, "rhomolar_units": "mol/m^3" }, "sat_min_vapor": { "T": 182.33, "T_units": "K", "p": 87837.4392257842, "p_units": "Pa", "rhomolar": 59.33601783157376, "rhomolar_units": "mol/m^3" } }, "T_max": 525, "T_max_units": "K", "Ttriple": 182.33, "Ttriple_units": "K", "accentric": 0.1613, "accentric_units": "-", "alpha0": [ { "a1": -4.4262736272, "a2": 4.3120475243, "type": "IdealGasHelmholtzLead" }, { "a": 2.5, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 2.1769, 1.6145, 0.48393 ], "t": [ 2.839881106229, 7.663478935125356, 17.598216593435 ], "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": [ 0.88045, -2.4235, 0.38237, 0.068917, 0.00020367, 0.13122, 0.46032, -0.0036985, -0.23263, -0.00042859, -0.04281, -0.023038 ], "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": 0.0440128, "molar_mass_units": "kg/mol", "p_max": 50000000, "p_max_units": "Pa", "pseudo_pure": false } ], "NAME": "NitrousOxide", "REFPROP_NAME": "N2O", "STATES": { "critical": { "T": 309.52, "T_units": "K", "p": 7245000.0, "p_units": "Pa", "rhomolar": 10270.000000000002, "rhomolar_units": "mol/m^3" }, "triple_liquid": { "T": 182.33, "T_units": "K", "p": 87837.43922592292, "p_units": "Pa", "rhomolar": 28113.43207935748, "rhomolar_units": "mol/m^3" }, "triple_vapor": { "T": 182.33, "T_units": "K", "p": 87837.4392257842, "p_units": "Pa", "rhomolar": 59.33601783157376, "rhomolar_units": "mol/m^3" } } }