Table 3 Material parameters of coal.
From: Numerical and experimental study on monitoring coal cracks with PZT sensor
Specimen | Density (kg/m3) | Elastic modulus (Mpa) | Poisson ratio |
|---|---|---|---|
Coal | 1800 | 5000 | 0.25 |
From: Numerical and experimental study on monitoring coal cracks with PZT sensor
Specimen | Density (kg/m3) | Elastic modulus (Mpa) | Poisson ratio |
|---|---|---|---|
Coal | 1800 | 5000 | 0.25 |
