... the following equation, Sustainable Energy Harvesting Technologies – Past, Present and Future 50Barrero-Gil, A.; Alonso, G. & Sanz-Andres, A. (2 010) . Energy harvesting from transverse ... magnet and coil Magnetization angle Sustainable Energy Harvesting Technologies – Past, Present and Future 60length of permanent magnet are Ap and lp respectively as shown in figure ... new energy harvesting system based on the wake galloping phenomenon, In: Smart Materials and Structures, Vol.20, 055022 (10pp), ISSN 0964-1726 Sustainable Energy Harvesting Technologies – Past, ...