Research Article

A New Measurement Based on HPB to Measure the Wall Pressure of Electric-Spark-Generated Bubble near the Hemispheric Boundary

Table 2

The relative errors of peak pressure between the Hopkinson bar and pressure transducer.

γ = 0.33γ = 0.67

Hopkinson bar (MPa)56.70242.294
Pressure transducer (MPa)55.59741.575
Relative error (%)1.91.7