What is it about?

This article proposes an equivalent electric model of a DBD (dielectric barrier device) where a cold atmospheric plasma is specifically generated for the treatment of agricultural seeds. This article provides a better understanding of the issues related to the contact points and to the influence of seeds capacitances on the plasma electrical properties. Finally the effects of plasma on the seeds biological parameters are detailed.

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Why is it important?

Although packed-bed dielectric barrier devices (PB-DBD) are commonly utilized as sources for various applications (in particular gas valorization), few experimental works are dedicated to their utilization in the framework of agriculture applications. For the first time, in this article, we propose an easy-to-hande and powerful model to understand how seeds behave in this PB-DBD configuration. Moreover, it makes it possible to deduce electrical parameters of seeds such as capacitances by considering only the Lissajous curves.

Perspectives

We hope this equivalent electric model could be a valuable tool for anyone wishing to better understand the plasma/seeds interactions.

Dr Thierry Dufour

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This page is a summary of: Seed-packed dielectric barrier device for plasma agriculture: Understanding its electrical properties through an equivalent electrical model, Journal of Applied Physics, July 2020, American Institute of Physics, DOI: 10.1063/1.5139889.
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