Hague, Samudra

Keidar, Michael

Lukas, Joseph

Shashurin, Alexey

Teel, George

DigitalCommons@USU

Thruster Subsystem Design for the Ballistic Reinforced Communication Satellite (BRICSat-P)Presented By: Joseph LukasTeam Members:George Teel Samudra HaqueAlexey ShashurinProfessor Michael KeidarUSNA Mission• BRICSat-P 2015 launch • 500 km: Attitude control, orbit change, & deorbit• Subsystem fits in 6 cm x 10 cm x 10 cm areaSuccess Criteria • Initial and repeatable firing• BRICSat rotation of 6 rpm• Stable spin and de-spinPropulsion Requirements• Electric propulsion that is… – Low-cost– Reliable and simple– No pressurized tanks– Power efficient– Scalable and modular– Safe for the satellitePropulsion Requirements• Electric propulsion that is… – Low-cost– Reliable and simple– No pressurized tanks– Power efficient– Scalable and modular– Safe for the satelliteSolid PropellantMicro-Cathode Arc Thruster (μCAT)• Generation III Thruster Head ComponentsHow It WorksArc Discharge – 20 HzMagnetic Field• Without and with a magnetic fieldUniform ErosionIon CurrentImpulse Bit and VelocityDevelopment• Left to Right:– μCAT Concept, Generation I, Generation III Subsystem Properties• Impulse bit: – 1 mN-s/pulse • Operating Frequency: – 1 - 50 Hz• Specific Impulse (Isp): – 2000 - 3000 s• Avg. power/pulse: – < 0.1 Watts• Thrusters + PPU mass:  – < 150g Contamination e+ +e+ +Fast IonSlow NeutralSlowIonFast NeutralContamination • Experimental setup and resultsCurrent Developments• Single bus operation• Component miniaturization• Mass reduction• Array/cluster operation• EMI and RFI investigationConclusions• Scalable electric propulsion • Mission customizable• No contamination • Compact propulsion option for CubeSats  • Researching further optimizations Questions?Presented By: Joseph LukasTeam Members:George Teel Samudra HaqueMichael Keidar

Thruster Subsystem Design for the Ballistic Reinforced Communication Satellite (BRICSat-P)

https://digitalcommons.usu.edu/cgi/viewcontent.cgi?filename=0&article=3155&context=smallsat&type=additional

Thruster Subsystem Design for the Ballistic Reinforced Communication Satellite (BRICSat-P)

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