{ "ALIASES": [ "R404a" ], "ANCILLARIES": { "pL": { "T_r": 345.27, "Tmax": 345.2699999999992, "Tmin": 200.0, "description": "p' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.005498447483098801, "n": [ 0.5635840402585297, -0.5827522825709982, -6.4663745582192815, -2.8281654415264432, -0.7995458853560359, -11.354572861041914 ], "reducing_value": 3734800.0, "t": [ 0.688, 0.743, 0.963, 3.561, 4.194, 10.201 ], "type": "pL", "using_tau_r": true }, "pV": { "T_r": 345.27, "Tmax": 345.2699999999992, "Tmin": 200.0, "description": "p'' = pc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 0.00755928413784801, "n": [ -5.364477716661244, -1.4230007624991121, 3.314690272990208, -5.181329955404622, -3.360484849212965, -551.2801078830697 ], "reducing_value": 3734800.0, "t": [ 0.951, 1.13, 2.426, 2.778, 5.072, 16.153 ], "type": "pV", "using_tau_r": true }, "rhoL": { "T_r": 345.27, "Tmax": 345.2699999999992, "Tmin": 200.0, "description": "rho' = rhoc*(1+sum(n_i*theta^t_i))", "max_abserror_percentage": 0.7483321289055711, "n": [ -0.011777381218307114, 2.4984547682678704, 5367.932468376006, -3732982.2139762687, 33474569.015986394, -80262239.93679684 ], "reducing_value": 4939.999999999999, "t": [ 0.066, 0.377, 8.99, 13.98, 15.982, 17.954 ], "type": "rhoLnoexp", "using_tau_r": false }, "rhoV": { "T_r": 345.27, "Tmax": 345.2699999999992, "Tmin": 200.0, "description": "rho'' = rhoc*exp(Tc/T*sum(n_i*theta^t_i))", "max_abserror_percentage": 1.2085148467457896, "n": [ -5.211849919504925, 6.798109425092868, -13.038945243933242, 9.654798311425768, -320.35292894913766, 80023.04183470446 ], "reducing_value": 4939.999999999999, "t": [ 0.485, 0.989, 1.431, 2.495, 7.812, 15.329 ], "type": "rhoV", "using_tau_r": true } }, "CAS": "R404A.PPF", "ENVIRONMENTAL": { "ASHRAE34": "A1", "FH": 1, "GWP100": 3900.0, "GWP20": -1.0, "GWP500": -1.0, "HH": 1, "Name": "R404A", "ODP": 0.0, "PH": 0 }, "EOS": [ { "BibTeX_CP0": "", "BibTeX_EOS": "Lemmon-IJT-2003", "T_max": 450, "T_max_units": "K", "Ttriple": 200, "Ttriple_units": "K", "accentric": 0.293, "accentric_units": "-", "alpha0": [ { "a1": 7.00407, "a2": 7.98695, "type": "IdealGasHelmholtzLead" }, { "a": -1, "type": "IdealGasHelmholtzLogTau" }, { "n": [ -18.8664 ], "t": [ -0.3 ], "type": "IdealGasHelmholtzPower" }, { "n": [ 0.63078, 3.5979, 5.0335 ], "t": [ 1.19617, 2.32861, 5.00188 ], "type": "IdealGasHelmholtzPlanckEinstein" } ], "alphar": [ { "d": [ 1, 1, 1, 2, 2, 4, 6, 1, 1, 1, 2, 2, 3, 4, 7, 2, 3, 4, 4, 2, 3, 5 ], "l": [ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3 ], "n": [ 6.10984, -7.79453, 0.0183377, 0.26227, -0.00351688, 0.0116181, 0.00105992, 0.850922, -0.520084, -0.0464225, 0.62119, -0.195505, 0.336159, -0.0376062, -0.00636579, -0.0758262, -0.0221041, 0.0310441, 0.0132798, 0.0689437, -0.0507525, 0.0161382 ], "t": [ 0.67, 0.91, 5.96, 0.7, 6, 0.3, 0.7, 1.7, 3.3, 7, 2.05, 4.3, 2.7, 1.8, 1.25, 12, 6, 8.7, 11.6, 13, 17, 16 ], "type": "ResidualHelmholtzPower" } ], "gas_constant": 8.314472, "gas_constant_units": "J/mol/K", "molar_mass": 0.0976038, "molar_mass_units": "kg/mol", "p_max": 50000000, "p_max_units": "Pa", "pseudo_pure": true, "ptriple": 21264.27382, "ptriple_units": "Pa", "reducing_state": { "T": 345.27, "T_units": "K", "p": 3734800, "p_units": "Pa", "rhomolar": 4939.999999999999, "rhomolar_units": "mol/m^3" }, "rhoLtriple": 14209.11070707527, "rhoLtriple_units": "mol/m^3", "rhoVtriple": 13.01041553482517, "rhoVtriple_units": "mol/m^3" } ], "NAME": "R404A" }