Analytical, FEA, and Experimental Comparisons of Piezoelectric Energy Harvesting Using Engine Vibrations

Table 1

Beam geometry and material properties of aluminum and piezo PZT-5A.

Properties	Aluminum	PZT-5A	Substrate
Length	𝐿𝑏 = 350 mm	𝐿 = 64 mm	𝐿=64 mm
Width	𝑏 = 32 mm	32 mm	32 mm
Thickness	ℎ = 0.8 mm	Δ = 0.19 mm	Δ = 0.13 mm
Density	2700 kg/m^3	7500 kg/m^3	8600 kg/m^3
Relative permittivity		1700∗8.85𝑒−12 Fm^−1
Modulus of elasticity	2.1 * e11 N/m^2	5e10 N/m^2	9.7e10 N/m^2
Poisson’s ratio	0.33	0.31	0.31