A broadband flow energy harvester induced by the wake of a bluff body Tian-Yi Wu, Wen-An Jiang, Li-Qun Chen and Qin-Sheng Bi Eur. Phys. J. Plus, 137 6 (2022) 650 Published online: 02 June 2022 DOI: 10.1140/epjp/s13360-022-02864-8