What Are the Ideal Parameters for Designing a Pelton Wheel?

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Discussion Overview

The discussion revolves around the ideal parameters for designing a Pelton wheel, specifically in the context of building a hydropower turbine model. Participants seek information on various design aspects such as bucket width, width to length ratio, number of buckets, and nozzle diameter.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant requests links to information on ideal parameters for designing a Pelton wheel, referencing a previous school project.
  • Another participant provides links to resources that may contain relevant information about Pelton wheels.
  • A question is raised regarding the relationship between the number of buckets and the diameter of the wheel, particularly whether it is related to the speed of the wheel.
  • A participant mentions having a paper from a turbomachinery class that contains the desired information but is currently unable to locate it.
  • A suggestion is made to consult a specific book, "The Micro-Hydro Pelton Turbine Manual," which is said to cover comprehensive details on building a Pelton turbine, including theory and design parameters.
  • A participant expresses gratitude for the responses received so far, indicating that they find the information helpful.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on specific parameters or relationships, as questions remain about the number of buckets and their relation to wheel speed. Multiple viewpoints and requests for information are present, indicating an ongoing exploration of the topic.

Contextual Notes

Some limitations exist regarding the availability of specific design parameters and the clarity of relationships between different design aspects, as participants seek further information and resources.

Who May Find This Useful

This discussion may be useful for students, hobbyists, or engineers interested in hydropower turbine design, particularly those focusing on Pelton wheels and related turbomachinery concepts.

bigislander72
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Would like to replicate a project we did in school for Turbomachinery class, which was to build a functioning hydropower turbine model. We were given the varous ideal parameters like bucket width, width to length ratio,number buckets and nozzle diameter based on size of wheel. Anyone know of any good links that have this info?
 
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Anyone know the relationship between number of buckets for a wheel of particular diameter? Is it related to speed of wheel?
 
I had a paper from a turbomachinery class but I can't seem to find it. It had pretty much all you're looking for, damn clutter. I'll keep an eye out.
 
bigislander72 said:
Would like to replicate a project we did in school for Turbomachinery class, which was to build a functioning hydropower turbine model. We were given the varous ideal parameters like bucket width, width to length ratio,number buckets and nozzle diameter based on size of wheel. Anyone know of any good links that have this info?

Search Amazon or your favorite book store for this:

"The Micro-Hydro Pelton Turbine Manual," by Jeremy Thake.

This will tell you everything you need to know to build your own Pelton turbine - from scratch - of any size. The book was written to assist people trying to bring hydro power to the third-world, using the manufacturing capabilities available on location. The book includes some theory, sizing information, efficiency calcs, details of water jet design/control, bucket shape/size/orientation/material, and so on. Very complete.

Cheers -

Mitch Patrie
 
Thanks for all the responses so far. Very helpful!
 

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