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

Figure 9

Measured piezoelectric energy harvester data (no resistance): (a) peak voltage versus wind speed of 3-column hemisphere protrusion; (b) peak voltage versus wind speed of 4-column hemisphere protrusion; (c) peak voltage versus wind speed of 5-column hemisphere protrusion; (d) peak voltage versus wind speed of 6-column hemisphere protrusion.

(a)

(b)

(c)

(d)