Due to their simplicity, low thrust cold-gas propulsion systems have the potential to provide orbital maneuvering capability for small, micro- and even nano-satellites. Each specific mission where cold gas thrusts will be used places a unique set of requirements on the system. For example, micro-spacecraft with masses of 1 - 50 kg, will require thrust levels for typical orbital maintenance maneuvers of 0.1 - 1OmN. Missions which require precise attitude control, where the most important factor is a very low thrust will require thrust levels between 10 - 100 micro N. To obtain these low thrust values, small nozzle dimensions and low chamber pressures are usually used.
Computational Modeling of Low Reynolds Number Micronozzle Performance
1999
14 pages
Report
No indication
English
Fluid Mechanics , Algebra, Analysis, Geometry, & Mathematical Logic , Computations , Propulsion systems , Reynolds number , Maintenance , Mathematical models , Low power , Orbits , Temperature , Maneuverability , Attitude control systems , Manufacturing , Quantity , High pressure , Mass flow , Flow rate , Missions , Precision , Nozzles , Maneuvers , Losses , Viscosity , Low rate , Thrust , Chambers , Radius(Measure) , Cold gases
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