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Showing 1 to 14 of 14 for “"electrospray thruster"”.
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3D-Printed, Internally Fed Electrospray Thruster
An electrospray thruster offers several benefits as a propulsion system for small satellites, including a lower power requirement when miniaturized and a broad range of thrust and specific impulse. However, traditionally it has been manufactured through microfabrication in a cleanroom, which is …
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CubeSat attitude control using micronewton electrospray thruster actuation
Micronewton electrospray thrusters are a promising new actuator for CubeSat attitude control. Electrospray thrusters have advantages over current state of the art CubeSat attitude actuators in mass, volume, and their ability to produce translational acceleration in addition to control moments. An …
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Application of an electrospray thruster in a nanosatellite
… satisfy the satellites propulsive requirements a thruster will need to have a high specific impulse yet still be small enough to not contribute significant weight to the system. An electrospray thruster, a MEMS-based electric propulsion (EP), can provide the necessary thrust requirements. After …
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Design Principles and Preliminary Testing of a Micropropulsion Electrospray Thruster Research Platform
… Of the technologies used for this purpose, electrospray thrusters offer performance that make them an ideal choice. Electrosprays offer high accuracy impulse bits at low power and high efficiency, and have low volume requirements. Design choice reasoning and preliminary testing results are …
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Characterization of a multimode propellant operating in a porous glass electrospray thruster
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Processes for the Fabrication of SU-8 Structures and Sputtered Materials on Porous Glass for Electrospray Thruster Manufacturing
Electrospray thrusters are electric propulsion devices that generate thrust through the use of an electric potential between the emitter, a concentrated point at which a propellant is flowed to, and downstream extractor electrodes that generates a high electric field at the emitter causing the …
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Active Thermal Augmentation and Ultra Dense MEMS-Based Electrospray Thrusters
Ionic liquid electrospray thrusters, a highly efficient form of electric space propulsion, have several advantages over traditional chemical forms of space propulsion as well as competing forms of electric propulsion, including their unique scalability down to extremely small sizes, their use of …
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Optimizing wettability of externally wetted microfabricated silicon electrospray thrusters
Electrospray propulsion devices with externally wetted architectures have shown favorable performance. The design of microfabricated silicon thrusters and their feed systems requires an understanding of propellant flow over a silicon surface. This research explores the parameters that affect …
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Design and analysis of a stage-based electrospray propulsion system for CubeSats
… compatible with the small form factor. The ion Electrospray Propulsion System developed at the Space Propulsion Laboratory at the Massachusetts Institute of Technology is a promising technology foundation for a compact, high [delta]V propulsion system. However, the [delta]V output of the …
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Analysis of ion emitting jet structures during ionic liquid electrospraying
… is a propellant candidate for a standalone electrospray thruster or a dual-mode propulsion system. Characterization of positive polarity ions produced by [Bmim][DCA] capillary emitters with a nominal extraction voltage of 2.0 kV within a quadrupole and time-of-flight mass spectrometers is …
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Porous material and process development for electrospray propulsion applications
Ion electrospray propulsion devices rely on the transportation of ionic liquid propellant to emission regions where ions are extracted at high velocities. One such method involves the use of porous substrates to passively transport propellant towards conically shaped features of the same porous …
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A fully microfabricated two-dimensional electrospray array with applications to space propulsion
… and testing of a fully-integrated planar electrospray thruster array, which could lead to more efficient and precise thrusters for space propulsion applications. The same techniques could be used for making arrays to increase throughput in many other electrospray applications. Electrospray …
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Spacecraft charging and attitude control characterization of electrospray thrusters on a magnetically levitated testbed
Electrospray thrusters are an attractive technology for small satellite propulsion. A thorough study of the spacecraft charging and attitude control performance of electrospray thrusters acting on a small satellite is presented. The experimental portion of the study employs a new type of …
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Colloid Thruster to Teach Advance Electric Propulsion Techniques to Post-secondary Students
<p>Colloid thrusters, and electrospray thrusters as a whole, have been around since the 1960s. When they were first developed, the high efficiency and fine thrust control was overshadowed by the high power requirement for such a low thrust that the system provides. This caused the technology to be …