An Investigation on Vortex Breakdown Phenomena in a Vertical Cylindrical Tube

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Fluid Dynamics in a Copper Converter: an Investigation on Mixing Phenomena in an Experimental Model

In this study, the mixing phenomena and fluid dynamics in a copper converter have been experimentally investigated using a physical model. The physical model is a 1:5 horizontal tank made of Plexiglas. The mixing phenomena have been characterized by experimentally measuring the mixing time using a tracer dispersion technique. Moreover, the effects of the air flow rate and lance submergence on t...

An Investigation of the Brazier Effect of a Cylindrical Tube under Pure Elastic-Plastic Bending

The Brazier effect of originally straight cylindrical tubes under pure elastic-plastic bending is investigated by the deformation theory based on some deformation assumptions agreeing with numerous experiments. The expressions for bending moment and flattening ratio in terms of curvature are finally obtained

Axisymmetric Vortex Breakdown in a PipeS

A recent theory of the nearly axisymmetric vortex breakdown in a pipe is presented. We study the motion of an axisymmetric and inviscid swirling ow in a pipe with certain boundary conditions that may reeect the physical situation. The theory is built of global analysis of solutions of the Squire-Long equation and linear stability analysis of these solutions. The theory uniies the major previous...

Mixing in a vortex breakdown flow