Modelling of electromagnetic interferences produced by a railgun

Author

Canavero, F. ; Cardelli, E. ; Raugi, M. ; Tellini, A.

Author_Institution

Dipartimento di Elettronica, Politecnico di Torino, Italy

Volume

29

Issue

1

fYear

1993

fDate

1/1/1993 12:00:00 AM

Firstpage

1125

Lastpage

1130

Abstract

The electromagnetic fields radiated by a railgun during its operation are evaluated at different points around the launcher. The radiation is determined, assuming a temporal and spatial form of the current in the plasma arc, and integrating the Maxwell equations directly in the time domain. In general the evaluation of the electromagnetic field expressions requires a numerical integration, while when it is possible to assume particular spatial and temporal form of the arc current, analytical expressions are derived. The results show that unacceptable electromagnetic disturbances can be produced during the arc ignition of a railgun

Keywords

arcs (electric); electromagnetic interference; electromagnetic launchers; plasma guns; Maxwell equations; arc current; arc ignition; electromagnetic interferences; plasma arc; radiated EM fields; railgun; spatial form; temporal form; Electromagnetic analysis; Electromagnetic fields; Electromagnetic interference; Electromagnetic modeling; Electromagnetic radiation; Electromagnetic radiative interference; Ignition; Maxwell equations; Plasmas; Railguns;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.195739

Filename

195739