Table 3 Material properties of host beam and piezoelectric patch for validating the energy harvester model.
Piezoelectric material properties (PZT-5A) | Host material (metal beam) |
|---|---|
\({C}_{11}^{E}={C}_{22}^{E}=120.3 \mathrm{GPa}\) | Young’s Modulus \(E=100 \mathrm{GPa}\) |
\({C}_{33}^{E}=110.9 \mathrm{GPa}\) | Mass Density = \(\rho =7165 \mathrm{kg}/{\mathrm{m}}^{3}\) |
\({C}_{12}^{E}=75.2 \mathrm{GPa}\) | |
\({C}_{13}^{E}={C}_{23}^{E}=75.1 \mathrm{GPa}\) | Poisson’s ratio = \(\nu =0.3\) |
\({C}_{66}^{E}=22.7 GPa\) | |
\({e}_{31}^{E}={e}_{32}^{E}=-5.2 (\mathrm{C}/{\mathrm{m}}^{2})\) | Rayleigh coefficients |
\({e}_{33}^{E}=15.9 \left(\mathrm{C}/{\mathrm{m}}^{2}\right)\) | \(\alpha =4.886 \mathrm{rad}/\mathrm{s}\) |
Mass density = \(\rho =7800 \mathrm{kg}/{\mathrm{m}}^{3}\) | \(\beta =1.2433\times {10}^{-5} (\mathrm{s}/\mathrm{rad})\) |
Permittivity = \({\epsilon }_{r}=15.94 \left(\mathrm{nF}/\mathrm{m}\right)\) |
