Design, Modeling, and Experiments of the Vortex-Induced Vibration Piezoelectric Energy Harvester with Bionic Attachments

Table 3

Material parameters involved in the system.

Material parameter	value
Elastic coefficient (Keff)(N·m^−1)	34.07
Capacity (Cp)(nF)	15.7
Active diameter (Da)(mm)	32
Active height (H)(mm)	118
Active mass (mc)(g)	2.48/2.90
Equivalent mass (Meff)(g)	6.44/6.86
Density (ρ)(kg·m^−3)	27.38/31.25
System damping (Ceff)(N·s·m^−1)	0.0098
Piezoelectric coupling coefficient (θ )(N·V^−1)	1.183×10^−5