Session
Technical Session IX: Advanced Technologies & Subsystems, Components & Sensors (II)
Abstract
This paper addresses the results of a trade study in which four novel propulsion approaches are applied to a 100-kg-class satellite designed for rendezvous, reconnaissance, and other on-orbit operations. The technologies, which are currently at a NASA technology readiness level of 4, are known as solar thermal propulsion, digital solid motor, water-based propulsion, and solid pulse motor. Sizing calculations are carried out using analytical and empirical parameters to determine the propellant and inert masses and volumes. The results are compared to an offthe- shelf hydrazine system using a trade matrix “scorecard.” Other factors considered besides mass and volume include safety, storability, mission time, accuracy, and refueling. Most of the concepts scored higher than the hydrazine system and warrant further development. The digital solid motor had the highest score by a small margin.
Revolutionary Propulsion Concepts for Small Satellites
This paper addresses the results of a trade study in which four novel propulsion approaches are applied to a 100-kg-class satellite designed for rendezvous, reconnaissance, and other on-orbit operations. The technologies, which are currently at a NASA technology readiness level of 4, are known as solar thermal propulsion, digital solid motor, water-based propulsion, and solid pulse motor. Sizing calculations are carried out using analytical and empirical parameters to determine the propellant and inert masses and volumes. The results are compared to an offthe- shelf hydrazine system using a trade matrix “scorecard.” Other factors considered besides mass and volume include safety, storability, mission time, accuracy, and refueling. Most of the concepts scored higher than the hydrazine system and warrant further development. The digital solid motor had the highest score by a small margin.
