Influence of Shape and Piezoelectric-Patch Length on Energy Conversion of Bluff Body-Based Wind Energy Harvester

Table 1

Parameters of PVDF piezoelectric patch.

Parameter	Value
Thickness tolerance	±3%∼±5%
Piezoelectric strain constant d31	17 ± 2.1PC/N
Piezoelectric strain constant d33	21 PC/N
Relative dielectric constant	9.5 ± 1.0
Young’s modulus	2500 MPa
Density ρ	1.78 × 10^3 kg/m^3