What is the purpose of draft tube in francis turbine? - Quora
Sketch of the non-embedded part of the draft tube | Download Scientific Diagram
Energies | Free Full-Text | Research on the Vortex Rope Control Techniques in Draft Tube of Francis Turbines
Experimental investigation of the sloshing motion of the water free surface in the draft tube of a Francis turbine operating in synchronous condenser mode | SpringerLink
Francis turbine Working Principle | Function of Draft tube, Runner Blades, Spiral casing - YouTube
The flow deteriorations in course of the partial load operation of the middle specific speed Francis turbine
Figure 2 from Analysis of the Cavitating Draft Tube Vortex in a Francis Turbine Using Particle Image Velocimetry Measurements in Two-Phase Flow | Semantic Scholar