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Modelling of electromagnetic interferences produced by a railgun

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1993 Italy Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Magnetics, volume 29, pages 1,125-1,130 (issn: 0018-9464, eissn: 1941-0069,

Authors: F. CANAVERO; CARDELLI, Ermanno; M. RAUGI; A. TELLINI;

doi: 10.1109/20.195739

handle: 11583/2426376 , 11568/22735 , 11391/949391

Modelling of electromagnetic interferences produced by a railgun

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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. >

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Italy

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Keywords

Electromagnetic analysis; Electromagnetic fields; Electromagnetic interference; Electromagnetic modeling; Electromagnetic radiation; Electromagnetic radiative interference; Ignition; Maxwell equations; Plasmas; Railguns

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