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![a) Horseshoe and wake vortex around cylindrical bridge pier [7]. (b)... | Download Scientific Diagram a) Horseshoe and wake vortex around cylindrical bridge pier [7]. (b)... | Download Scientific Diagram](https://www.researchgate.net/publication/346512501/figure/fig1/AS:1024050721722368@1621164126077/a-Horseshoe-and-wake-vortex-around-cylindrical-bridge-pier-7-b-Horseshoe-and-wake.png)