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A two-dimensional viscous, incompressible, unsteady flow past a bluff cylinder with sharp edges is simulated using a purely deterministic Lagrangian model incorporating viscous effects (diffusion and no-slip boundary condition). The method applied is based on a combination of the discrete vortex and the panel method. The viscous diffusion effect is simulated by means of the diffusion velocity method...
The paper presents two key mathematical models of transient cavitating pipe flow, i.e. column separation model (CSM) and bubbly cavitation model (BCM). Both models investigated in the paper take into account unsteady frictional loss models. The equations describing the CSM and BCM models have been solved using first the method of characteristics and then the finite differences method. The results...
This paper deals with the computational fluid dynamics investigation of the flow in a one-stage radial flow blower-aggregate. The main aim of this numerical study is to compute the relevant operating characteristics of the blower and to determine detailed information about the flow characteristics inside it. The distributions of these flow characteristics in the blower determined by the commercial...
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