{ "ALIASES": [ "Propane", "propane", "R290", "C3H8", "PROPANE", "N-PROPANE" ], "ANCILLARIES": { "pL": { "T_r": 369.89, "Tmax": 369.8899999999991, "Tmin": 85.52500000000002, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.05284815441644053, "n": [ 0.021647852905706602, -1.6369978591606182, -4.493052504871183, 5.182655875995273, -7.542401679816551, -0.4920693750863155 ], "reducing_value": 4251200.0, "t": [ 0.408, 0.858, 1.034, 2.934, 3.281, 9.968 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 369.89, "Tmax": 369.8899999999991, "Tmin": 85.52500000000002, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.016222893634509905, "n": [ -23.998635747391152, 18.313017605233238, -0.42240851966839504, -2.7378298813798962, 0.257888414168987, -1.3113462226130785 ], "reducing_value": 4251200.0, "t": [ 1.05, 1.084, 2.259, 4.287, 7.66, 18.584 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 369.89, "Tmax": 369.8899999999991, "Tmin": 85.52500000000002, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.4218642075006107, "n": [ 2.104068052280433, 0.3371892411622086, 0.4401223810964251, -3.5679018989260567, 59.93889697061387, -70.9402469085883 ], "reducing_value": 5000.000000000001, "t": [ 0.368, 0.875, 3.009, 9.51, 15.381, 17.001 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 369.89, "Tmax": 369.8899999999991, "Tmin": 85.52500000000002, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 1.171965141592346, "n": [ -3.401360845132903, -1.9443653795380451, -0.4101211459709529, -15.598374206544214, 15.844867806184942, -15.298907422332046 ], "reducing_value": 5000.000000000001, "t": [ 0.431, 1.339, 2.091, 6.822, 8.214, 19.706 ], "type": "rhoV", "using_tau_r": true }, "surface_tension": { "BibTeX": "Mulero-JPCRD-2012", "Tc": 369.89, "a": [ 0.05334, -0.01748 ], "description": "sigma = sum(a_i*(1-T/Tc)^n_i)", "n": [ 1.235, 4.404 ] } }, "CAS": "74-98-6", "ENVIRONMENTAL": { "ASHRAE34": "A3", "FH": 4, "GWP100": 3.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 1, "Name": "n-Propane", "ODP": -1.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-JCED-2009", "T_max": 650, "T_max_units": "K", "Ttriple": 85.525, "Ttriple_units": "K", "accentric": 0.1521, "accentric_units": "-", "alpha0": [ { "a1": -4.970583, "a2": 4.29352, "type": "IdealGasHelmholtzLead" }, { "a": 3, "type": "IdealGasHelmholtzLogTau" }, { "n": [ 3.043, 5.874, 9.337, 7.922 ], "t": [ 1.062478, 3.344237, 5.363757, 11.762957 ], "type": "IdealGasHelmholtzPlanckEinstein" } ], "alphar": [ { "d": [ 4, 1, 1, 2, 2, 1, 3, 6, 6, 2, 3 ], "l": [ 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2 ], "n": [ 0.042910051, 1.7313671, -2.4516524, 0.34157466, -0.46047898, -0.66847295, 0.20889705, 0.19421381, -0.22917851, -0.60405866, 0.066680654 ], "t": [ 1, 0.33, 0.8, 0.43, 0.9, 2.46, 2.09, 0.88, 1.09, 3.25, 4.62 ], "type": "ResidualHelmholtzPower" }, { "beta": [ 2.33, 3.47, 3.15, 3.19, 0.92, 18.8, 547.8 ], "d": [ 1, 1, 1, 2, 2, 4, 1 ], "epsilon": [ 1.283, 0.6936, 0.788, 0.473, 0.8577, 0.271, 0.948 ], "eta": [ 0.963, 1.977, 1.917, 2.307, 2.546, 3.28, 14.6 ], "gamma": [ 0.684, 0.829, 1.419, 0.817, 1.5, 1.426, 1.093 ], "n": [ 0.017534618, 0.33874242, 0.22228777, -0.23219062, -0.09220694, -0.47575718, -0.017486824 ], "t": [ 0.76, 2.5, 2.75, 3.05, 2.55, 8.4, 6.75 ], "type": "ResidualHelmholtzGaussian" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.04409562, "molar_mass_units": "kg/mol", "p_max": 1000000000, "p_max_units": "Pa", "pseudo_pure": false, "ptriple": 0.0001720461815, "ptriple_units": "Pa", "reducing_state": { "T": 369.89, "T_units": "K", "p": 4251200, "p_units": "Pa", "rhomolar": 5000.000000000001, "rhomolar_units": "mol/m^3" }, "rhoLtriple": 16625.78187096635, "rhoLtriple_units": "mol/m^3", "rhoVtriple": 2.420412863780354e-07, "rhoVtriple_units": "mol/m^3" } ], "NAME": "n-Propane" }