Chapter 15    Swirling flow

 

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Introduction

 

The stability of swirling flow

 

The forced vortex

 

Generating a forced vortex

 

Applications of the forced vortex

 

The free vortex

 

Condition for a free vortex

 

Uniform inward radial flow

 

The free spiral vortex

 

Application of the spiral vortex

 

Real swirling flow

 

The effects of the viscosity and density of real fluids on swirling flow

 

The real spiral vortex

 

Eddies

 

Endnote

 

Worked examples on vortices etc.