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Review on physics of plasma jets and interaction with surfaces
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Plasma jets are sources of repetitive and stable ionization waves, meant for applications (biomedical, surface treatment…) where they interact with surfaces of different characteristics. As such, plasma jets provide an ideal testbed for the study of transient reproducible streamer discharge dynamics, particularly in inhomogeneous gaseous mixtures, and of plasma–surface interactions. Anne Bourdon and Olivier Guaitella (LPP) and their international collaborators have been studying these discharges numerically and experimentally in the past years and have been invited to write a topical review in the journal Plasma Sources Science and Technology.
This review addresses the physics of plasma jets and their interactions with surfaces through a pedagogical approach. The state-of-the-art of numerical models and diagnostic techniques to describe helium jets is presented, along with the benchmarking of different experimental measurements in literature and recent efforts for direct comparisons between simulations and measurements. The review is focussed on the most fundamental physical quantities determining discharge dynamics, such as the electric field, the mean electron energy and the electron number density, as well as the charging of targets.
Contacts at LPP:
Anne Bourdon and Olivier Guaitella
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