Vibrations of an Axisymmetric Body in a Cavitating Leakage Flow

Experimental Investigations of Supersonic Flow around a Long Axisymmetric Body

A series of supersonic wind tunnel tests on an ogive-cylinder body were performed to investigate the pressure distribution, the boundary layer profiles, and the flow visualization at various angles of attack. All tests were conducted in the trisonic wind tunnel of the Imam Hossein University. The theoretical shock angle at different model positions compared well with those we obtained via Schi...

Experimental Investigations of Supersonic Flow around a Long Axisymmetric Body

A series of supersonic wind tunnel tests on an ogive-cylinder body were performed to investigate the pressure distribution, the boundary layer profiles, and the flow visualization at various angles of attack. All tests were conducted in the trisonic wind tunnel of the Imam Hossein University. The theoretical shock angle at different model positions compared well with those we obtained via Schi...

Investigations of Supersonic Flow around a Long Axisymmetric Body

Flow Instabilities in Cavitating and Non-Cavitating Pumps

It is well known that flow instabilities called rotating stall and surge may occur in non-cavitating turbomachines at flow rates smaller than design. Rotating stall is a local instability at the turbomachinery which is basically not dependent on the hydraulic system in which the turbomachine is installed. The stalled region rotates faster than impeller. Surge is a system instability in a hydrau...

effect of sub-grid scales on large eddy simulation of particle deposition in a turbulent channel flow

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