MODELING ATMOSPHERIC-PRESSURE PLASMA
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MODELING ATMOSPHERIC MODELING ATMOSPHERIC- PRESSURE PLASMA PRESSURE PLASMA Fa-Gung Fan Mechanical Engineering Sciences Laboratory (MESL), New York � Positive DC Coaxial Wire-Cylinder Corona � Negative DC Coaxial Wire-Cylinder Corona � Coplanar Dielectric Barrier Discharge (DBD) - Streamer Summaries Summaries e e e e n u n t n � � � � � � � � ) ( Continuity of electron density ) ( e e e e e e D n E n u n � � � � � � � Electron flux i i i i n u n t n � � � � � � � � ) ( Continuity of ion/metastable densities ) ( i i i i i i D n E n u n � � � � � � � Ion/metastable flux (+ for positive ions, - for negative ions) ) ( ) ( e i i i n n Z e � � � � � � � � � Electrical potential (Poisson’s equation) Fluid Model Fluid Model Positive DC Wire Positive DC Wire- Cylinder Corona Cylinder Corona Negative DC Wire Negative DC Wire- Cylinder Corona Cylinder Corona Streamer in Coplanar DBD Streamer in Coplanar DBD MESL http://www.mesl-inc.com E-mail: [email protected] Gordon-Kenan Research Seminar on Plasma Processing Science, Colby-Sawyer College, New London, NH, 7/10-11, 2010
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Gordon-Kenan Research Seminar on Plasma Processing Science, Colby-Sawyer College, New London, NH, 7/10-11, 2010
Transcript of MODELING ATMOSPHERIC-PRESSURE PLASMA
MODELING ATMOSPHERICMODELING ATMOSPHERIC--PRESSURE PLASMAPRESSURE PLASMAFa-Gung Fan
Mechanical Engineering Sciences Laboratory (MESL), New York
� Positive DC Coaxial Wire-Cylinder Corona
� Negative DC Coaxial Wire-Cylinder Corona
� Coplanar Dielectric Barrier Discharge (DBD) -
Streamer
Summaries Summaries
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)( Continuity of electron density
)( eeeeee DnEnun ������
� Electron flux
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)( Continuity of ion/metastable densities
)( iiiiii DnEnun ������
�Ion/metastable flux(+ for positive ions, - for negative ions)
)()( eii
i nnZe ������ ��� Electrical potential (Poisson’s equation)
Fluid ModelFluid Model Positive DC WirePositive DC Wire--Cylinder CoronaCylinder Corona
Negative DC WireNegative DC Wire--Cylinder CoronaCylinder Corona Streamer in Coplanar DBDStreamer in Coplanar DBD
MESL http://www.mesl-inc.com E-mail: [email protected] Research Seminar on Plasma Processing Science, Colby-Sawyer College, New London, NH, 7/10-11, 2010
