An Electro Breakdown Damage Model for Granite and Simulation of Deep Drilling by High-Voltage Electropulse Boring

<div>Equivalent circuit of high-voltage pulsed granite breaking: <i>C</i> = total equivalent capacitance; <i>S</i> = discharge switch; <i>R</i><sub>z</sub> = circuit resistance; <i>L</i><sub>in</sub> = inductive inductance; and <i>R</i><sub>td</sub> = plasma channel resistance.</div>

Shock and Vibration

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Figure 5

Figure 5: An Electro Breakdown Damage Model for Granite and Simulation of Deep Drilling by High-Voltage Electropulse Boring 