Numerical identification of blade exit angle effect on the performance for a multistage centrifugal pump impellerOsman Babayigit, Osman Kocaaslan, Muharrem Hilmi Aksoy, Kursad Melih Guleren and Muammer OzgorenEPJ Web of Conferences, 92 (2015) 02003DOI: https://doi.org/10.1051/epjconf/20159202003