title: Ionization fronts in negative corona discharges.
abstract: We use a hydrodynamic minimal streamer model to study negative corona discharge. By reformulating the model in terms of a quantity called a shielding factor, we deduce laws for the evolution in time of both the radius and intensity of the ionization fronts. We also compute the evolution of the front thickness under the conditions for which it diffuses due to the geometry of the problem and show its self-similar character.
authors.affiliation: Departamento de Matemáticas y Física Aplicada, Universidad Rey Juan Carlos, Móstoles, Madrid, Spain.
authors.forename: Manuel
authors.initials: M
authors.lastname: Arrayás
authors.forename: Marco A
authors.initials: MA
authors.lastname: Fontelos
authors.forename: José L
authors.initials: JL
authors.lastname: Trueba