Effect of magnetic field on current colection on bare tether in LEO

Onishi, Tatsuo; Martínez-Sánchez, Manuel; Cooke, D.L. y Sanmartín Losada, Juan Ramón (2002). Effect of magnetic field on current colection on bare tether in LEO. En: "38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit", 7 - 10 Jul 2002, Indianapolis, Indiana. ISBN 978-1-62410-115-1.

Descripción

Título: Effect of magnetic field on current colection on bare tether in LEO
Autor/es:
  • Onishi, Tatsuo
  • Martínez-Sánchez, Manuel
  • Cooke, D.L.
  • Sanmartín Losada, Juan Ramón
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit
Fechas del Evento: 7 - 10 Jul 2002
Lugar del Evento: Indianapolis, Indiana
Título del Libro: AIAA/ASME/SAE/ASEE 38th Joint Propulsion Conference and Exhibit: : proceedings of the conference
Fecha: 2002
ISBN: 978-1-62410-115-1
Materias:
Escuela: E.T.S.I. Aeronáuticos (UPM) [antigua denominación]
Departamento: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

An eiectrodynamic Tether is a long thin conductive string deployed from a spacecraft. A part of the ED tether near one end, which is rendered positive by the Electromotive force (EMF)along the tether, collects electrons from the ambient plasma. In the frame of reference moving with theter, ions flow toward the tether, get deflected near the tether by its high positive potential and create a wake. Due to the asymmetry of plasma distribution and the weak but significant Geomagnetic field, the conventional probe theory becomes almost inapplicable. Computational work for the prediction of current collection is thus necessiated.. In this paper, we analyze effects of magnetic field on velocity distribution funtion at a point that is far from the tether, and discuss a new way to treat electrons at computational boundary. Three cases with different magnetic field are simulated and compiled so as to provide a part of the pre-flight prediction of the space experiment by NASA ProSEDS, which is planned September 2002.

Más información

ID de Registro: 30696
Identificador DC: http://oa.upm.es/30696/
Identificador OAI: oai:oa.upm.es:30696
Depositado por: Biblioteca ETSI Aeronauticos
Depositado el: 06 Ago 2014 16:55
Ultima Modificación: 01 Oct 2014 10:52
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