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小田 靖久; 坂本 慶司; 小紫 公也*
プラズマ応用科学, 18(2), p.177 - 181, 2010/12
A thrust generation model of microwave beaming thruster was studied. The model was proposed based on shock wave propagation driven by atmospheric plasma on the analogy of a pulse detonation engine (PDE), because pressure histories measured in the thruster tube were resembling to those in a PDE. Furthermore, both the shock propagation speed and ionization front propagation speed were found to be nearly constant and identical in the tube when they propagated at a supersonic speed with a high microwave power density. Based on the model, thrust impulse was estimated from the pressure history. Estimated thrust showed a good agreement with the result of the flight experiment.