Development and Validation of Simplied 1D Models for Hollow Cathode Analysis and Design

Aerotecnica Missili & Spazio

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Field Value
Title Development and Validation of Simplied 1D Models for Hollow Cathode Analysis and Design
Creator Panelli, Mario
Smoraldi, Antonio
De Simone, Valeria
Battista, Francesco
Subject Space Propulsion
Space Propulsion; Hollow Cathode; Model
Description This paper presents a preliminary design tool for oriced hollow cathodes. Two physical models compose the tool: aplasma model and a thermal model. A time-independent, volume-averaged model has been developed to determineplasma properties in the emitter and orice regions. A Lumped Element Thermal Model has been also developed tocompute temperature distributions and the respective gradients within the main cathode's element. The study, conductedto validate the results of the models, shows that there is a good agreement with values and trends found in the availableliterature. The tool is able to estimate performances of new devices by the calculation of cathode working conditions fordierent geometries given device operating condition and insert material.
Publisher Associazione Italiana di Aeronautica e Astronautica (AIDAA)
Date 2018-07-24
Type info:eu-repo/semantics/article
Peer-reviewed Article
Numerical; Simulation
Format application/pdf
Source Aerotecnica Missili & Spazio; Vol 97, No 2 (2018); 49-59
Language eng
Rights Copyright (c) 2018 Aerotecnica Missili & Spazio

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