Abstract—The propagation of plasmas through porous materials is one extreme example of a packed-bed reactor. Mechanisms for atmospheric-pressure plasmas flowing through porous dielectric films are computationally investigated. Images of this plasma flow are discussed. Index Terms—Photoionization, plasma functionalization. ATMOSPHERIC-PRESSURE plasmas (APPs) in dielectric barrier discharge (DBD) configurations are widely used for remediation of toxic gases. One such configuration is a packed-bed reactor where the plasma flows along the surface of high-dielectric-constant (ε) beads where electric fields are intensified by the gradient in ε . Typical DBD plasmas operate in air at atmospheric pressure at a few to tens of kilohertz, having electrode separations of a few millimeters to a centimeter. One extreme example of a packed-bed DBD reacto
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