IMECH-IR  > 等离子体与燃烧中心(2009-2011)
Experimental study on energy dissipation in a 1 kW arcjet thruster
Huang HJ(黄河激); Pan WX(潘文霞); Wu CK(吴承康)
Source Publication13th Asian Congress of Fluid Mechanics.Dhaka, Bangladesh.2010-11-17~2010-11-21.
Conference Name13th Asian Congress of Fluid Mechanics
Conference Date2010-11-17~2010-11-21
Conference PlaceDhaka, Bangladesh
AbstractAs a simple and reliable propulsion system, arcjet thrusters have been used in multiple satellite missions. In order to improve the efficiency of arcjet thrusters, energy dissipation study was carried out in a 1 kW arcjet thruster with pure N2, H2-N2 and H2 as the propellant. Using a 698 nm interference filter, thermal radiation was isolated from arc and plume emissions and the internal nozzle temperature was obtained by converting the thermal radiation signals. Results show that the addition of hydrogen leads to higher nozzle temperature, which is the determining factor for the mode of arc root attachment. At lower nozzle temperatures, constricted type attachment with unstable motions of the arc root was observed, while a fully diffused and stable arc root was observed at elevated nozzle temperatures. Output energy distribution analysis shows that losses from frozen flow and exhaust thermal losses are the main parts in limiting the efficiency of arcjet thrusters.
Keyword arcjet Thruster Performance Energy dissipation
Indexed By其他
Document Type会议论文
Corresponding AuthorHuang HJ(黄河激)
Recommended Citation
GB/T 7714
Huang HJ,Pan WX,Wu CK. Experimental study on energy dissipation in a 1 kW arcjet thruster[C]13th Asian Congress of Fluid Mechanics.Dhaka, Bangladesh.2010-11-17~2010-11-21.,2011.
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