Results 21 to 30 of about 2,323,028 (381)
The Limitation Analysis of Two Dimensional Magnetic Field Configuration in Annular Ion Thruster
International Journal of Aerospace Engineering, 2022 In this paper, the limitations of two-dimensional magnetic field configuration for an annular ion thruster are analyzed theoretically and numerically.
Guangqing Xia +3 more
doaj +1 more source
Modeling of a retarding potential analyzer and comparison with Express-A in-flight measurements
Frontiers in Physics, 2022 In-flight data from the retarding potential analyzers (RPAs) on the Russian geostationary telecommunication satellite Express-A #3 are used to validate electric thruster plume simulations.
L. Nicolle +4 more
doaj +1 more source
Microwave power absorption to high energy electrons in the ECR ion thruster [PDF]
Plasma Sources Science & Technology, 2018 The microwave power absorption efficiency of the μ10 ECR ion thruster, utilized in the Japanese asteroid explorers Hayabusa and Hayabusa2, is investigated in order to allow performance measurement and provide information for its improvement.
G. Coral +3 more
semanticscholar +1 more source
Ground-Based Experiment for Electric Propulsion Thruster Plume—Magnetic Field Interaction
Aerospace, 2023 Electric space propulsion is a technology which is employed on a continuously increasing number of spacecrafts. While the current focus of their application area is on telecommunication satellites and on space exploration missions, several new ideas are ...
Andreas Neumann, Nina Sarah Mühlich
doaj +1 more source
EPJ Techniques and Instrumentation, 2022 Methods based on laser-induced fluorescence spectroscopy are widely used for spatially resolved non-intrusive diagnostics of atomic or molecular densities and velocity distributions in plasma applications.
Christoph Eichhorn +6 more
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On the limitations of hybrid particle-in-cell for ion thruster plume simulations
Physics of Plasmas, 2019 A commonly used approach to simulate ion thruster plumes is a hybrid particle-in-cell (PIC) with the Boltzmann relation to model electrons. The limitations of such an approach are investigated by benchmarking hybrid PIC against fully kinetic PIC ...
Joseph Wang, Yuan Hu
semanticscholar +1 more source
Physics of Plasmas, 2019 This work analyzes the discharge characteristics of water plasma for a miniature microwave discharge ion thruster via three-dimensional particle-in-cell simulations with Monte Carlo collisions. It incorporates the negative ions (H−, O−, and OH−) into the
Kengo Nakamura +3 more
semanticscholar +1 more source
Evaluation of Ion Beam Behavior in 50 W Class RF Ion Thruster
International Journal of Aerospace Engineering, 2021 Phenomenological behavior of ion beam acceleration through the grid system in 50 W class RF ion thruster has been investigated using PIC simulation and evaluated by experimental test using Faraday probe.
Huong T. T. Nguyen +2 more
doaj +1 more source
Frontiers in Physics, 2015 A spatiotemporal study of neutral gas temperature during the first 100 s of operation for a radio-frequency electrothermal plasma micro-thruster operating on nitrogen at 60 W and 1.5 Torr is performed to identify the heating mechanisms involved.
Amelia eGreig +2 more
doaj +1 more source
Force probes for development and testing of different electric propulsion systems
EPJ Techniques and Instrumentation, 2022 Diagnostics with force probes in plumes of electric propulsion systems for spacecraft (thrusters) are presented. This contribution focuses on showing example measurements with force probes for the most common gridless ion thruster types.
Alexander Spethmann +7 more
doaj +1 more source