Applied-Field Magnetoplasmadynamic Thrusters, Part 2: Analytic Expressions for Thrust and Voltage

摘要: THEassumptionthatthemainaccelerationme… by the applied-fi eld magnetoplasmadynamic (MPD) thruster is theconversionofazimuthalkineticenergytous… expansion through a magnetic nozzle was the basis for all previous theoretical efforts. 1، 3 These models, however, were not able to capture the general trends displayed by experiments. Further, as of today only one analytic model exists that attempts to predict thrust and voltage. This was a result of a mainly experimentalwork by Fradkin4 with a lithium propellant thruster. He …