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Las descargas superficiales en los dieléctricos naturales en el sistema solar
Science (New York, N.Y.)
|August 11, 1989
Resumen
Las partículas cargadas de energía pueden causar descargas eléctricas en naves espaciales y superficies naturales. Estas descargas superficiales son especialmente probables en entornos como Júpiter.
Área de la Ciencia:
- Física del espacio Física del espacio
- Ciencias planetarias Ciencias planetarias.
- Ciencia de los materiales Ciencia de los materiales.
Sus antecedentes:
- La electrónica de las naves espaciales y las superficies naturales están expuestas a partículas cargadas energéticas.
- Las descargas eléctricas pueden ocurrir en materiales dieléctricos en entornos espaciales.
- Tales descargas plantean riesgos para el funcionamiento de las naves espaciales y los procesos de la superficie planetaria.
Objetivo del estudio:
- Investigar el fenómeno de las descargas eléctricas en superficies dieléctricas causadas por partículas cargadas energéticamente.
- Identificar las condiciones y entornos propicios para las descargas superficiales en el sistema solar.
- Para resaltar ambientes planetarios específicos donde estas descargas son probables.
Principales métodos:
- Análisis de los datos de exposición de las naves espaciales a flujos de partículas energéticas.
- Modelado de la iniciación de la descarga eléctrica en materiales dieléctricos.
- Identificación de entornos extraterrestres favorables basados en el flujo de partículas y las propiedades del material.
Principales resultados:
- Las partículas cargadas energéticamente inducen descargas eléctricas en componentes de naves espaciales como placas de circuitos y paneles solares.
- Descargas similares pueden ocurrir en materiales planetarios naturales expuestos a altos flujos de partículas.
- Las magnetosferas de los planetas gigantes, como la luna Io de Júpiter, presentan condiciones particularmente favorables para las descargas superficiales.
Conclusiones:
- Las descargas de superficie son un peligro significativo para las naves espaciales que operan en entornos de alta radiación.
- Las superficies dieléctricas naturales en los cuerpos celestes pueden experimentar descargas eléctricas.
- Se requieren más investigaciones sobre las condiciones magnetosféricas de Júpiter para comprender los procesos de la superficie de Io.
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