Modeling of Iodine Feeding System to Achieve Flow Control under the Coupling of Multiple Conditions


  • Xiaoxian Wang
  • Zhanwen Ye
  • Pingyang Wang
  • Yajun Huang
  • Guomin Cui



Iodine, Electric propulsion feeding system, System level modeling, One-dimensional simulation.


The design of an iodine working medium storage and supply system is one of the key technologies for the electrical propulsion of iodine working medium. Solid iodine sublimates into a gaseous state in the storage tank, and is transported to the thruster through flow control through components such as a proportional valve or throttle tube. However, iodine working medium has corrosive properties and poor thermal conductivity, which can easily cause condensation in the throttle tube and throttle valve, affecting the accuracy of experimental results or blocking the pipeline, leading to the suspension of the experiment. Based on the system level modeling of the iodine working medium electric propulsion storage and supply system, and taking into account the impact of the coupling effects of various conditions such as the physical parameters of iodine vapor, storage tanks, pipelines, outlet conditions, and proportional valves on the outlet mass flow rate of the iodine storage and supply system, the control of the outlet mass flow rate is achieved by adjusting the valve opening of a comparative example, providing a reference for the selection of the size of the throttle tube in future ground experiments or the control of the proportional valve opening.


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How to Cite

Modeling of Iodine Feeding System to Achieve Flow Control under the Coupling of Multiple Conditions. (2023). Academic Journal of Science and Technology, 5(3), 52-57.

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