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

Figure 7

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

(a)

(b)

(c)

(d)