PEPT: An invaluable tool for 3-D particle tracking and CFD simulation verification in hydrocyclone studiesYu-Fen Chang, Tom C.H. Adamsen, Gleb I. Pisarev and Alex C. HoffmannEPJ Web of Conferences, 50 (2013) 05001DOI: https://doi.org/10.1051/epjconf/20135005001