Comparison between hydraulic and structural based anti-vortex methods at intakes Morteza Monshizadeh, Ahmad Tahershamsi, Hassan Rahimzadeh and Hamed Sarkardeh Eur. Phys. J. Plus, 132 8 (2017) 329 Published online: 03 August 2017 DOI: 10.1140/epjp/i2017-11608-4