Maximum Obtainable Energy Harvesting Power from Galloping-Based Piezoelectrics

Table 3

Nomenclature.

Symbol	Description
A
B
C
Cb	2ζωn/ϕ^2 (Lt)
M	1/ϕ^2 (Lt)
K	ωn^2/ϕ^2 (Lt)
Θ	χ/ϕ (Lt)
	Air density
L	Length of the beam
Ftip
Mtip
Mbase
btip	Width of the tip body
Ltip	Length of the tip body
a1, a3	Aerodynamic force coefficients
R	Load resistance
Q	Quality factor
ξ	Damping ratio of the structure
	Mode shape of the structure
	Electromechanical coefficient of piezoelectric material
	Yield strength of piezoelectric material
Cp	Capacity of piezoelectric layer
U	Wind velocity
V	Piezoelectric voltage
Ω	Angular velocity of the motion
χ	First natural angular velocity of the cantilever beam
ω
	Cantilever-beam displacement