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

Figure 8

Plasma channel waveforms: (a) Voltage; (b) current; (c) power; (d) energy; (e) radius; and (f) shock wave.

(a)

(b)

(c)

(d)

(e)

(f)