Draft tube,function of draft tube and types of draft tube

In this video, I Explained definition of Draft tube, Function of Draft tube, Types of draft tube. And I also explained in which turbine draft tube is used and why it is used in reaction turbine. Video link: Hydraulic Turbine: Classification of pelton wheel turbine:    • Classification of turbine   Pelton wheel turbine.    • Pelton Wheel Turbine   Velocity Triangle, Work done, efficiency and maximum efficiency of pelton wheel turbine :    • Velocity Triangle, Work done, efficiency a...   Design Aspect of pelton wheel turbine:    • important parameter for design of pelton w...   Specific Speed of turbine:    • Specific speed of turbine   Draft tube and types of draft tube :    • Draft tube,function of draft tube and type...   = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Impact of Jet Introduction of Impact of Jet :    • Introduction of impact of jet   Impact of Jet on Fixed vertical Plate :    • Impact of jet on fixed vertical plate   Impact of Jet on Fixed Inclined Plate :    • Impact of Jet on Fixed Inclined Plate   Impact of Jet on Fixed Curved Plate (Jet Strikes at the centre) :    • Impact of Jet on Fixed Curved Plate at Centre   Impact of Jet on Fixed Curved Plate (Jet Strikes at tangentially) :    • Impact of jet on Fixed Curved Plate Jet St...   Impact Of jet on Hinge Plate :    • Impact of jet on hinged plate   Impact of Jet on Moving Vertical Flat Plate :    • Impact of Jet on Moving Vertical Flat Plate   Impact of Jet on Moving Inclined Plate :    • Impact of jet on moving inclined plate   Moving curved plate when jet strike at center:    • impact of jet on moving curved plate when ...   Impact Of Jet On Moving Curved Plate Strikes One End Of The Tip Tangentially :    • Impact Of Jet On Moving Curved Plate Strik...   Impact Of Liquid Jet On Series Of Flat Plate Mounted On A Wheel :    • Impact Of Liquid Jet On Series Of Flat  Pl...   Jet propulsion :    • Jet Propulsion   Propulsion of ship :    • propulsion of ship   ========================================================================================= Every mechanical Engineer need to know Difference between COP and Efficiency:    • Difference Between COP and Efficiency.   Meaning of a in R134a in Refrigerant :    • Meaning of a in R134a   Sensible And Latent Heat :    • Sensible And Latent Heat   How to make water from air:    • हवा से पानी कैसे बनाते हैं how to make wat...   Difference Between Cooling and Refrigeration:    • Difference Between Cooling and Refrigeration   = = = = = = = = = = = = = = = = = = = = == == = = = = = = = = = = = = = = == == == = = = = == = == = = = Hydraulic Ram :    • Hydraulic Ram   Hydraulic intensifier    • Hydraulic intensifier