Conductivity Effects on Electromagentic Emissions (EME) from Ice Fracture
Abstract
Discrete electromagnetic pulses have been recorded by scouring the surface of ice samples manufactured with significantly different concentrations of NaCl. Rise and fall times are statistically distinct and the higher the conductivity, the shorter the times recorded. As all other conditions were constant, it is concluded that EME signals are conductivity dependent. This supports the charge separation mechanism postulated for EME generation in rock and ice.Discrete electromagnetic pulses have been recorded by scouring the surface of ice samples manufactured with significantly different concentrations of NaCl. Rise and fall times are statistically distinct and the higher the conductivity, the shorter the times recorded. As all other conditions were constant, it is concluded that EME signals are conductivity dependent. This supports the charge separation mechanism postulated for EME generation in rock and ice.
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Journal Title
Journal of Electrostatics
Volume
36
Issue
3
Subject
Engineering