sunfluidh:species_properties_namelist
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Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédenteProchaine révisionLes deux révisions suivantes | ||
sunfluidh:species_properties_namelist [2016/09/22 20:46] – [List of variable and definition] yann | sunfluidh:species_properties_namelist [2016/11/18 13:05] – yann | ||
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Ligne 1: | Ligne 1: | ||
===== Namelist " | ===== Namelist " | ||
- | ==== List of variable and definition ==== | + | |
- | This data setup is only used in the full version of sunfluidh for the simulation of multi-species flows under low-Mach number hypothesis. | + | This data setup is only used in the full version of sunfluidh for the simulation of multi-species |
It is used to define every thermo-chemical properties of species to estimate physical properties of gas mixture such as heat capacity, thermal conductivity, | It is used to define every thermo-chemical properties of species to estimate physical properties of gas mixture such as heat capacity, thermal conductivity, | ||
- | Most of data are initialized with a default value that could be used by the code if this data is not set to the user's value.\\ | + | Most of data are directly |
- | Data are used or not depending | + | Data could be used or not, this depends |
- | The user must therefore ensure that useful data are explicitly stated unless he is sure that the default | + | The user must therefore ensure that every useful data are explicitly stated |
- | Some examples are given here for helping the user about this namelist. | + | An example on a Helium/Air mixture is given here for helping the user about this data set. |
- | ----- | + | & |
+ | Species_Name | ||
+ | Species_molecular_Mass= 4.0D-03 , Reference_Molecular_Heat_Capacity = 5.193D+03 , Schmidt_Number | ||
+ | Electric_Charge | ||
+ | Thermochemical_Properties_Coefficients(1: | ||
+ | Thermochemical_Properties_Coefficients(1: | ||
+ | & | ||
+ | Species_Name | ||
+ | Species_molecular_Mass= 2.9D-02 , Reference_Molecular_Heat_Capacity = 1.048D+03 , Schmidt_Number | ||
+ | Electric_Charge | ||
+ | Thermochemical_Properties_Coefficients(1: | ||
+ | Thermochemical_Properties_Coefficients(1: | ||
+ | End_of_Data_Block= .true./ | ||
- | === Species_Name (type = character string (6)) === | + | The Thermochemical_Properties_Coefficients are provided by the Chemkin data base. |
+ | |||
+ | ----- | ||
- | === Species_molecular_Mass (type = real) === | + | ==== Species_Name |
+ | * type : character string with a maximum size of 6 | ||
+ | * Name of the species present in the gas mixture | ||
+ | * Default name given by the user. | ||
- | === Reference_Molecular_Heat_Capacity (type = real) === | + | ==== Species_molecular_Mass |
+ | * type : real value | ||
+ | * Molecular mass (mol/kg) | ||
+ | * Default value given by the user | ||
- | === Schmidt_Number (type = real) === | + | ==== Reference_Molecular_Heat_Capacity |
+ | * type : real value | ||
+ | * Species heat capacity (J/K/kg) | ||
+ | * Default value given by the user | ||
+ | ==== Schmidt_Number ==== | ||
+ | * type : real value | ||
+ | * The Schmidt number $Sch$ is used to define the diffusion coefficient of the species from the kinematic viscosity as $D_i=\nu/ | ||
+ | * Default value given by the user | ||
- | === Electric_Charge | + | ==== Electric_Charge ==== |
+ | * type : real value | ||
+ | * Electric charge of the ionized species in electronic unit | ||
+ | * Used only if chemical reactions are implied. | ||
+ | * Default value given by the user | ||
+ | ==== Lennard_Jones_Diameter ==== | ||
+ | * type : real value | ||
+ | * Diameter of Lennard-Jones (m) | ||
+ | * Default value given by the user | ||
- | === Lennard_Jones_Diameter (type = real) === | + | ==== Lennard_Jones_Potential |
+ | * type : real value | ||
+ | * Potential of Lennard-Jones (dimensionless) | ||
+ | * Default value given by the user | ||
- | === Lennard_Jones_Potential (type = real) === | + | ==== Thermochemical_Properties_Coefficients ==== |
- | === Lennard_Jones_Potential (type = real) === | + | * type : real array - size array (7,2) |
- | === Thermochemical_Properties_Coefficients | + | * These coefficients are used to define some physical quantities such as enthalpy, entropy, heat capacity, free enthalpy of species in respect with the temperature. |
+ | * This data setup is an array of size (7,2) , The first dimension corresponds to the number of coefficients considered (here 7) and the second to the number of temperature ranges considered (here 2). | ||
+ | * The 1st range of T is 300K ---> 1000K | ||
+ | * The 2nd range of T is 1000K ---> 5000K | ||
+ | * The coefficients come from the Chemkin data base. | ||
- | === End_of_Data_Block | + | ==== End_of_Data_Block ==== |
+ | * type : boolean value | ||
+ | * Specify the end of the data setup constituted by one or several namelist " |
sunfluidh/species_properties_namelist.txt · Dernière modification : 2016/11/28 17:40 de yann