Shock and Vibration / 2018 / Article / Tab 1

Research Article

Scale Effect on the Anisotropy of Acoustic Emission in Coal

Table 1

The variation of cumulative AE counts in the specimens with different sizes.

Specimen diameter (mm)25385075

Average value (105)4.806.308.4313.95
Coefficient of variation0.1510.1330.1160.057

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