Tavasoli, Valiallah.2009-03-202009-03-2019891989Source: Masters Abstracts International, Volume: 40-07, page: .9780315563414http://hdl.handle.net/10393/5866http://dx.doi.org/10.20381/ruor-10969Engineering, General.The effect of a central hub on the onset of flow reversal in a swirling sudden expansion flow.Thesis