Booth Id:
ETSD006T
Category:
Engineering Technology: Statics & Dynamics
Year:
2026
Finalist Names:
Sheng, Yulan (School: BASIS International School Hangzhou)
Zhao, Ryan (School: BASIS International School Hangzhou)
Abstract:
A self-developed, open-source High-Temperature Superconducting (HTS) Applied-Field Magnetoplasmadynamic Thruster (AF-MPDT) platform for deep-space propulsion combines potential for high Isp (2,000–10,000 s) with thrust (0.1–100 N), bridging the gap between chemical & electric propulsion.
Key innovations:
1. 0.5T HTS YBCO Magnet: We first synthesized HTS YBCO using custom-designed equipment. Later we designed a 0.5T double-pancake HTS magnet that operates at -197°C using 30 meters of ReBCO tapes, generating an adjustable applied magnetic field.
2. Compact Cathode-Anode Assembly: We lathed-machined cathodes from CuW, LaB6, CuCrZr, graphite & LaW to compare erosion & performance, then carefully optimized geometry & insulation through simulation & testing.
3. Self-Built High-Vacuum Chamber: Over ten months, we completed seven major iterations of the vacuum chamber design, evolving from a quartz & aluminum structure to a 304 stainless-steel system. We machined & welded essential components, resolving all leak points. We used a two-stage pumping system to achieve pressures below 10?³ Pa, along with a precise pendulum-based thrust measurement system.
4. Adaptive Nozzle System: A variable nozzle with a ring-based adjustment mechanism designed for real-time changes in nozzle geometry, allowing for faster design iteration & performance optimization.
5. Integrated Control System: The system integrates Jetson & Arduino-based control, pressure gauge monitoring, HTS magnet quench protection, and the ignition & voltage regulation systems.
This AF-MPDT platform offers a cost-effective, scalable solution to space propulsion challenges. Open-sourcing work ensures that its use extends to researchers worldwide, fostering collaboration in space propulsion research.
Awards Won:
Third Award of $1,200
Adam R. Scripps Foundation: Cash Award
Midjourney: Eight awards of $2,500
Society Alumni Special Award: Society for Science Alumni Special Award