Gordon-Kenan Research Seminar on Plasma Processing Science, Colby-Sawyer College, New London, NH, 7/10-11, 2010

1. MODELING ATMOSPHERIC-PRESSURE PLASMA
Fa-Gung Fan
Mechanical Engineering Sciences Laboratory (MESL), New York
Fluid Model Positive DC Wire-Cylinder Corona
Wire-
�n e �
� � � (ne u e ) � ne
� Continuity of electron
�t
density
� �
n e u e � � n e � e E � � ( n e De ) Electron flux
�ni �
� � � ( ni u i ) � ni
� Continuity of ion/metastable densities
�t
� � Ion/metastable flux
ni u i � � ni � i E � �( ni Di ) (+ for positive ions, - for negative ions)
� � (��� ) � � e(� Z i n i � ne ) Electrical potential (Poisson’s equation)
i
Negative DC Wire-Cylinder Corona
Wire- Streamer in Coplanar DBD
Summaries
� Positive DC Coaxial Wire-Cylinder Corona
� Negative DC Coaxial Wire-Cylinder Corona
� Coplanar Dielectric Barrier Discharge (DBD) -
Streamer
Gordon-Kenan Research Seminar on Plasma Processing Science, Colby-Sawyer College,
MESL http://www.mesl-inc.com New London, NH, 7/10-11, 2010 E-mail: Fa-Gung.Fan@mesl-inc.com