Question
Download Solution PDFWhich of the following water turbines does not require a draft tube?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
- The draft tube is a conduit that connects the runner exit to the tailrace where the water is being finally discharged from the turbine.
- The primary function of the draft tube is to reduce the velocity of the discharged water to minimize the loss of kinetic energy at the outlet.
- This permits the turbine to be set above the tailwater without any appreciable drop of the available head.
- A clear understanding of the function of the draft tube in any reaction turbine, in fact, is very important for the purpose of its design.
- The draft tube is an integral part of a reaction turbine.
Last updated on Jul 1, 2025
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