Simulation of Flowing Plasma Discharges With Applications to Lasers, Fuel Cells, and Microthrusters
Arakoni, Ramesh A.
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https://hdl.handle.net/2142/85102
Description
Title
Simulation of Flowing Plasma Discharges With Applications to Lasers, Fuel Cells, and Microthrusters
Author(s)
Arakoni, Ramesh A.
Issue Date
2007
Doctoral Committee Chair(s)
Kushner, Mark J.
Department of Study
Aerospace Engineering
Discipline
Aerospace Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Fluid and Plasma
Language
eng
Abstract
Small satellites (few kg) require muN - mNs thrust for station keeping with nominal power requirements (few Watts). MDs deposit power to flowing Ar (at 10s Torr), and the incremental velocity, gas temperature, and thrust are studied. Due to the large surface-to-volume ratio and low Reynolds number, heat conduction to the walls and viscous losses play a significant role in determining thrust. Geometrical parameters like nozzle length and angle, and flow parameters such as power, pressure, and flow rate can be used to optimize the thrust.
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