Variational principle for optimal accelerated neutralized flow

A. Fruchtman, Nathaniel J. Fisch

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

Minimizing the energy deposited in the electron current in neutralized flows, such as in the Hall thruster, is examined. Modifying the electron current along the channel by inserting emitting electrodes, can enhance the efficiency. By employing variational methods, an optimal electron current distribution is found. The efficiency enhancement due to this effect, however, is shown to be small.

Original languageEnglish (US)
Pages (from-to)56-58
Number of pages3
JournalPhysics of Plasmas
Volume8
Issue number1
DOIs
StatePublished - Jan 1 2001

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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