# ---------------------------------------------------------------------------------------- # mp2m_scpecies.cfg # Thermodynamic properties of chemical species used in the cloud microphysics processes. # Each condensible specie that should be treated by the model must be entirely described # here. # # ---------------------------------------------------------------------------------------- # PARAMETER | DESCRIPTION # ----------|----------------------------------------------------------------------------- # name | Specie name, should be the same as the section name # mas | Molecular weight [kg] # vol | Molecular volume [m3] # ray | Molecular radius [m] # masmol | Molar mass [kg.mol-1] # rho | Density [kg.m-3] # tc | Critical temperature [K] # tb | Boiling temperature [K] # pc | Critical pressure [bar] # tx_prod | Production rate [kg.m-2.s-1] (actually this is not used by the model) # w | Acentric factor # a_sat | Coefficient A of Psat equation (from Reid et al. 1986) # b_sat | Coefficient B of Psat equation (from Reid et al. 1986) # c_sat | Coefficient C of Psat equation (from Reid et al. 1986) # d_sat | Coefficient D of Psat equation (from Reid et al. 1986) # mteta | Wettability (free parameter in most cases, from 0 to 1) # ----------------------------------------------------------------------------------------- ### List of actual species to be used in the model : ### WARNING : The list of species specified here should be ordered : ### In the model, ice tracers as well as condensible gazs species must ### have the same index. used_species = CH4, C2H6, C2H2, HCN # CH4 properties (useful for Titan :) ##################################### [CH4] name = CH4 mas = 2.6578e-26 vol = 6.252e-29 ray = 2.000e-10 masmol = 16.04e-3 rho = 425. tc = 190.551 tb = 111.66 pc = 45.992 w = 1.1e-2 a_sat = -6.02242 b_sat = 1.26652 c_sat = -0.5707 d_sat = -1.366 mteta = 0.99 tx_prod = 0. # C2H6 properties ################# [C2H6] name = C2H6 mas = 4.983e-26 vol = 9.094e-29 ray = 2.220e-10 masmol = 30.07e-3 rho = 544.6 tc = 305.33 tb = 184.55 pc = 48.71 w = 9.9e-2 a_sat = -6.47500 b_sat = 1.41071 c_sat = -1.1440 d_sat = -1.8590 mteta = 0.99 tx_prod = 1.2e-12 # C2H2 properties ################# [C2H2] name = C2H2 mas = 4.319e-26 vol = 7.020e-29 ray = 2.015e-10 masmol = 26.04e-3 rho = 615. tc = 308.35 tb = 188.40 pc = 61.39 w = 19.0e-2 a_sat = -6.87886 b_sat = 1.30164 c_sat = -1.22474 d_sat = -3.59556 mteta = 0.99 tx_prod = 3.2e-13 # HCN properties ################# [HCN] name = HCN mas = 4.484e-26 vol = 6.498e-29 ray = 2.494e-10 masmol = 27.e-3 rho = 690. tc = 456.7 tb = 298.9 pc = 53.9 w = 0.388 a_sat = 31.122 b_sat = 4183.37 c_sat = -3.004 d_sat = 1635. mteta = 0.99 tx_prod = 1e-12