A LabView-based hot cathode electron source simulator with no-boundary condition computation method

作者：Kania Bartosz^*

来源：International Journal of Numerical Modelling: Electronic Networks, Devices and Fields , 2016, 29(6): 1149-1160.

DOI：10.1002/jnm.2174

• numerical model
• simulation
• thermionic emission current
• hot cathode
• LabView

Fast and complex model-based computations are often needed during the controller design process; therefore, a hot cathode electron source simulator was designed and implemented. The simulator uses the static model of electron source and is based on the LabView environment. It is developed for different materials and dimensions of filaments popular in vacuum instruments. The simulator is able to calculate the maximum temperature of the hot filament, its resistance, voltage drop and temperature and distribution of the electron emission current along the filament length in a steady state. Also, a new method was proposed and implemented for approximate calculations of distributions of the temperature and the electron emission current without measurements of the filament temperature.

• 出版日期2016-12