Advances in Electrical Conductivity Calculation Method of Thermal Ionization Plasma

Electrical conductivity is an extremely important parameter for plasma in a local thermodynamic equilibrium (LET) state. It directly reflects the influence of electromagnetic field regulation on the plasma distribution and its flow and heat transfer characteristics. This paper summarizes the latest research progress of thermal ionization plasma electrical conductivity numerical calculation methods from three aspects: constant electrical conductivity method, semi-empirical formula method and transport collision theory method. By analyzing the advantages, limitations and applicable conditions of these methods, some suggestions are proposed to improve the accuracy of the calculated results of thermoelectric ionization plasma electrical conductivity.