Numerical study on effect of reservoir vortex on velocity distribution profile in pipe Amirhossein Taghizadeh, Hamed Sarkardeh and Ebrahim Jabbari Eur. Phys. J. Plus, 138 6 (2023) 521 Published online: 12 June 2023 DOI: 10.1140/epjp/s13360-023-04161-4