Piezoelectric Wind Energy Harvesting from Self-Excited Vibration of Square Cylinder

Table 1

Properties of electromechanical system.

Symbol	Property	Value
	Mass of the cylinder per unit length	0.44 kg
	Stiffness per unit length	854 N/m
	Damping per unit length	19.2 Nm/s
	Side length of the cylinder	1.5 cm
	Damping ratio	0.0013
	Natural frequency	7.006 Hz
	Capacitance	120 nF
	Electromechanical coupling	N/V