Turbulent shear flow downstream of a sphere with and without an o-ring located over a plane boundaryMuammer Ozgoren, Abdulkerim Okbaz, Sercan Dogan, Besir Sahin and Huseyin AkilliEPJ Web of Conferences, 25 (2012) 01066DOI: https://doi.org/10.1051/epjconf/20122501066