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Experimental and numerical study of fast gas heating and O atom production in a capillary nanosecond discharge

  • LPP
  • LPP
  • Moscow State University
  • University of Michigan, Ann Arbor

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

6 Citations (Scopus)

Abstract

A nanosecond repetitively pulsed discharge in a quartz capillary filled with flowing synthetic air was investigated as a benchmark to address the mechanism of fast gas heating for conditions of up to complete dissociation of O2and heating of a few thousand K occurring during the near afterglow phase. Electric current, electric field, gas temperature, energy deposition, and O atom concentrations were measured with respect to time. A 2-dimensional model was used to simulate discharge initiation and early breakdown, while a detailed 0D kinetic model was used to address the afterglow phase and fast gas heating. The high oxygen dissociation degree enables investigation of the key role played by O atoms in the fast gas heating chemistry.

Original languageEnglish
Title of host publication52nd Aerospace Sciences Meeting
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624102561
DOIs
Publication statusPublished - 1 Jan 2014
Externally publishedYes
Event52nd Aerospace Sciences Meeting 2014 - National Harbor, United States
Duration: 13 Jan 2014 → 17 Jan 2014

Publication series

Name52nd Aerospace Sciences Meeting

Conference

Conference52nd Aerospace Sciences Meeting 2014
Country/TerritoryUnited States
CityNational Harbor
Period13/01/14 → 17/01/14

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