Wind energy harvesting performance of tandem circular cylinders with triangular protrusions

摘要: Abstract This study evaluated the performance of wind energy harvesters with multiple shape-optimized circular cylinders in tandem via computational fluid dynamics simulations. The were optimized by attaching triangular protrusions on their surface. circumferential location protrusion plays a crucial role efficiency this kind harvester. at angles α = 60°and 90°significantly extend velocity range remarkable generation. When reduced is lower than 10, harvester three plain generates most power. However, when speed higher power generated having 60°. Therefore, low environment, superior to other tested configurations, whereas high 60°in outstands from configurations. associated flow mechanisms are detailed as well.