End effect in Langimur probe reponse under ionospheric satellite conditions

Sanmartín Losada, Juan Ramón (1972). End effect in Langimur probe reponse under ionospheric satellite conditions. "Physics of Fluids", v. 15 (n. 6); pp. 1134-1143. ISSN 0031-9171.

Description

Title: End effect in Langimur probe reponse under ionospheric satellite conditions
Author/s:
  • Sanmartín Losada, Juan Ramón
Item Type: Article
Título de Revista/Publicación: Physics of Fluids
Date: 1972
Volume: 15
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Física Aplicada a la Ingeniería Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A theory is presented for an end effect in the current response of a highly negative, cylindrical Langmuir probe in a collisionless plasma flow. Under conditions where the ratio of probe radius to debye length is small and the ion-acoustic Mach number is large, the current exhibits a strong peak when the probe axis is brought into alignment with the flow direction. Closed formulas are given for the maximum and angular half-width of the peak, and universal graphical results are presented for the entire peak structure. The theory shows very good agreement with experimental data. The use of the end effect for diagnostic purposes, in particular, for the determination of the ion temperature, is discussed.

More information

Item ID: 21322
DC Identifier: http://oa.upm.es/21322/
OAI Identifier: oai:oa.upm.es:21322
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 11 Oct 2013 07:21
Last Modified: 21 Apr 2016 11:31
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