A Dual Mode Propulsion System for Small Satellite Applications^‡

Area of Science:

• Aerospace Engineering
• Chemical Engineering
• Materials Science

Background:

• Nanosatellite propulsion is limited by cost and complexity.
• Existing micropropulsion systems hinder advanced mission concepts.
• A need exists for affordable, versatile nanosatellite propulsion.

Purpose of the Study:

• To develop a cost-effective chemical micropropulsion system for nanosatellites.
• To design a "dual mode" monopropellant/bipropellant microthruster.
• To enable new nanosatellite mission capabilities through advanced propulsion.

Main Methods:

• Designed a "dual mode" microthruster prototype.
• Employed a novel homogeneous catalysis scheme.
• Utilized additive manufacturing and COTS components.

Main Results:

• Successfully validated the micropropulsion system concept through prototype testing.
• Demonstrated a dual-mode (monopropellant/bipropellant) operation.
• Achieved a low-cost and environmentally-friendly design.

Conclusions:

• The developed micropropulsion system is a viable, low-cost solution for nanosatellites.
• This technology can enable ambitious nanosatellite missions.
• The system's design facilitates future development and adoption.