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Shock and Vibration
/
2020
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Article
/
Tab 2
/
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
= 0.33
γ
= 0.67
Hopkinson bar (MPa)
56.702
42.294
Pressure transducer (MPa)
55.597
41.575
Relative error (%)
1.9
1.7