TITLE

Finite element analysis of ring-shaped emission profile in plasma bullet

AUTHOR(S)
Sakiyama, Yukinori; Graves, David B.; Jarrige, Julien; Laroussi, Mounir
PUB. DATE
January 2010
SOURCE
Applied Physics Letters;1/25/2010, Vol. 96 Issue 4, p041501
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Using a one-way coupled model of neutral gas flow and plasma dynamics we report a mechanism to explain the ring-shaped emission pattern that has been observed experimentally in plasma bullets at atmospheric pressure. We solve a fluid model with the local field approximation in one-dimensional cylindrical coordinates, corresponding to a cross-section of a plasma bullet. Pulselike uniform electric field is assumed to be applied perpendicular to the simulation domain. Time and spatially resolved spectroscopic measurements support the simulation results.
ACCESSION #
47807490

 

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