A Hybrid Simulation Model for Electromagnetic Launchers Including the Transient Inductance and Electromotive Force

Nail Tosun (Corresponding author), Hakan Polat, Doga Ceylan, Mustafa Karagoz, Baran Yildirim, Ibrahim Gungen, Ozan Keysan

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Although electromagnetic launchers (EMLs) are superior to classical gun-powder-based launchers, they have to withstand extreme electrical and mechanical conditions. Therefore, the optimal design and precise simulations of these devices are crucial. In this article, a new simulation strategy for EMLs is proposed in order to achieve high accuracy and reduced complexity. The inductance and electromotive force (EMF) variations in the transient, which have a considerable influence on the launch process, are modeled using the finite element method (FEM) coupled with electrical circuit simulation. The proposed method has a good agreement with the experimental results of two EMLs (EMFY-1 and EMFY-2), which have 25- and 50-mm square bores and 3-m-length launchers. The study showed that the hybrid model with transient inductance and EMF calculations showed a good agreement with experiments that have 625 kJ-3.241-MJ input energies.
Original languageEnglish
Pages (from-to)3220-3228
JournalIEEE Transactions on Plasma Science
Volume48
Issue number9
DOIs
Publication statusPublished - 27 Jul 2020

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