Defining the Optimal Requirements for the Liquid Indium Microelectric Propulsion System

Spangelo, Sara; Landau, Damon; Johnson, Shawn; Arora, Nitin; Randolph, Thomas

doi:10.2514/1.a33242

Cited by 1 publication

(2 citation statements)

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“…The vehicle design approach is based on the system-level model from [43] and includes scaling laws for major subsystems (i.e., electronics, solar panels, and reaction wheel assemblies). In this section, we explore three propulsion systems, the JPL MEP thruster, the CAT, and the MiXI thruster, which were selected based on relevance, relative technical maturity, and availability of public performance and system specifications.…”

Section: System-level Vehicle and Trajectory Designmentioning

confidence: 99%

“…• 10 −8 W∕m 2 ∕K 4 for the Stefan-Boltzmann constant. A 6U CubeSat was assumed to have a radiator area of 0.05 m 2 , and a 9U CubeSat was assumed to have a radiator area of 0.07 m 2[43]. We assumed a radiator operating temperature of 313 K and a deep space temperature of 4 K. Thus, a 6U CubeSat was found to radiate 34.83 W; a 9U CubeSat was found to radiate 48.76 W. The heat rejection for each configuration was calculated, Q Q max − total system power • heat return efficiency(18) …”

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confidence: 99%

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Mission Analysis for CubeSats with Micropropulsion

Hudson

Spangelo

Hine

et al. 2016

Journal of Spacecraft and Rockets

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Table 3 Summary of best micropropulsion systems to achieve various types of CubeSat maneuvers Maneuver type Key thruster properties Thruster types Small maneuvers (e.g., station keeping, launch error correction) Low power, small thruster, and propellant mass/volume Cold gas, electrospray, pulsed plasma Maximum orbit change given time constraints High thrust, high propellant density Green monopropellant Large orbit changes (e.g., LEO to GEO or Earth escape) High I sp , range of power and thrust Electrospray, helicon plasma, ion thruster ‡ ‡ Private communication with Colleen Marrese-Reading to

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Section: System-level Vehicle and Trajectory Designmentioning

confidence: 99%

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confidence: 99%