Experimental and theoretical characterization of a hall thruster. The effect of discharge voltage on plume divergence was also investi gated. The nasa hall effect rocket with magnetic shielding hermes 12. Reference herein to any specific commercial product, process, or service.
Pdf the total operation time of a hall effect thruster het, i. Ion and hall thrusters march 2008 the research described in this publication was carried out at the jet propulsion laboratory, california institute of technology, under a contract with the national aeronautics and space administration. We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services. This paper presents the challenges in the ground testing of hall effect thrusters for plasma spacecraft propulsion applications. Study of a hall effect thruster working with ambient atmospheric gas. Pdf hall effect thruster erosion mechanism and the thruster. An alternate form of electric propulsion, the hall effect thruster, was studied. In spacecraft propulsion, a halleffect thruster is a type of ion thruster in which the propellant is accelerated by an. Experimental performance of field emission microthrusters pdf. In comparisons with conventional xenon propellant, the. Pdf polarauroral charging of the space shuttle and eva. This is a very similar concept in many ways to the ion drive, in that it uses the electrostatic effect to accelerate propellant, but the mechanism is very different.
This paper provides the description of the development approach and the status of the project. This causes the electrons to transfer their axial momentum into the. Our website provides a free download of winthruster 1. The 20 kwclass hall thruster available at sitael, the socalled ht20k, resulted from the activities performed at sitael between april 2015 and june 2017 in the framework of esa trp very highpower hall effect thruster for exploration. Simple analytical laws are also used to analyze the effect of propellant mass on thruster performance. Very highpower hall effect thruster for exploration, sitael is developing, designing, manufacturing and testing a new 20kw class hall effect thruster, the ht20k, together with the associated high current hollow cathode, the hc60. Estublier, the smart1 hall effect thruster around the. When the us was beginning to investigate the gridded ion drive, the soviet union was investigating the hall effect thruster het. Characterization of a 20 kw class hall effect thruster. Hall effect thrusters by virtue of their high specific impulse can. Elementary scaling laws for the design of low and high power hall. The program supports registry cleaning, software uninstalling and malware removing. Pdf a comprehensive modeling package for determining halleffect thruster het.
An ion thruster or ion drive is a form of electric propulsion used for spacecraft propulsion. Hall thruster plume expansion was also characterized using a numerical plume simulation. Pdf a halleffect thruster plume and spacecraft interactions. Remove unnecessary files and processes slowing down the startup and work of a personal computer by scanning the system and checking available options for optimization.
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