The induced current in parallel wires over an imperfect ground from an incident EMP
Conference
·
OSTI ID:6472779
The current that is induced in infinitely long, finitely conducting, and parallel wires over a finitely conducting plane earth from an incident electromagnetic pulse is investigated. Frequency-domain expressions for this current are derived. Time-domain results are obtained for the case of two wires at the same height above the earth for several wire spacings and ground parameters. It was found that the maximum current was about 8 kA for grazing incidence (theta = 6/degree/) when the wire spacing is large, corresponding to the single wire case. When the wire spacing is small, the current approaches one-half the value above (4 kA) as it should. This suggest the use of multiple wires in a cage arrangement for reducing the induced current. 5 refs., 10 figs.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 6472779
- Report Number(s):
- CONF-8904111-4; ON: DE89007209
- Country of Publication:
- United States
- Language:
- English
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