Miniaturized Micro Ion Thruster: Integration and Performance Analysis for CubeSat Application

Cube satellites, with their increasing popularity in space exploration, CubeSats demand propulsion systems that offer precise and efficient maneuverability in the challenging microgravity environment of low Earth orbit. Conventional chemical propulsion systems are often impractical for CubeSats due to their size and mass constraints, making electric propulsion, particularly ion thrusters, an attractive alternative.This research presents the design, development, and performance evaluation of a miniaturized micro ion thruster specifically tailored for CubeSat missions. The article begins with the detailed design and fabrication of a micro ion thruster optimized for CubeSat applications. The thruster utilizes a state-of-the-art micro-fabrication process to achieve a compact form factor while maintaining high performance. A series of comprehensive tests and simulations are conducted to assess the thruster's performance. This includes thrust measurements, specific impulse characterization, and efficiency assessments under various operating conditions. The ionization chamber, conductive grids, and accelerator stages are engineered to minimize mass, size, and power consumption while maintaining sufficient thrust and specific impulse. Thus, the system will demonstrate promising performance characteristics and indicate a higher thrust-to-weight ratio for CubeSat missions.The research findings support the successful development of a micro ion thruster that meets the unique requirements of CubeSat missions. Results indicates that this system provides an efficient means of propulsion, allowing CubeSats to either extend their operational lifetimes, reach higher orbits, or be used to decommission the satellite, aiming to reduce space junk and debris which leads to sustainable access to space. The investigation domain within the research allocates the foundation for further refinements and applications of micro ion thrusters, fostering innovation in the field of miniature space propulsion.