The Micro-hydro Pelton Turbine Manual: Design, Manufacture and Installation for Small-scale Hydro-power Paperback – 1 Jan 2000
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About the Author
Jeremy Thake, a mechanical design engineer, has worked for a technology organization, DCS, in Nepal for six years in micro-hydro systems. He currently works for a renewable energy consultancy, IT Power.
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Top Customer Reviews
It first deals with the history of hydro power, and reviews various types of small hydro system. Pelton turbine selection is considered next, covering (with several worked examples) the choice of both single and multi-nozzle, vertical- and horizontal-axis options. The basic and improved 3-dimensional flow theories needed for estimating losses and designing nozzles, spear-valves, Pelton wheel buckets and runners, the casing and tail-race are then all presented, using formulae derived the appendices. The main (55 page) section on design then follows, giving optimised recommendations for the bucket profile and its attachment to the runner, as well as comprehensive data and practical recommendations on materials and manufacturing methods. Detailed mechanical and structural design guidelines are also provided, covering mechanical loading, strength calculations, welding, joints, shafts, bearings, seals, generators and load-control systems. There follows a section dealing with practical manufacture, aimed particularly at those with limited facilities (the author's experience was mainly in developing countries with only basic resources). He discusses casting and welding techniques, bolted, welded or one-piece runners, balancing, shaft-runner hub joints (including Ringspann-type locking assemblies), housings and bearing assemblies.Read more ›
Most Helpful Customer Reviews on Amazon.com (beta)
For the person that only wants to get a general overview of a Pelton turbine instalation, they can skip the tech part and still get and excellent apraisal of their situation and potential, even if they want only to know how to order the equipment from a manufacturer, it will show what to look for and the alternatives that you can search for.
Excellent buy for anyone looking to install a Pelton Turbine
It is titled micro, but much of the book is about what I would consider medium sized installations (maybe they are not in industry). It does not disregard tiny sub-1KW turbines though (what I call micro). The information applies universally for the most part.
If you are looking to build or install an impulse turbine, this is a must have reference.
I am an engineer who builds small hydro power projects for a living (typically in the 5 MW size range) and this book still even helps for that size (eg trying to convince a client to buy a 5 nozzle turbine instead of six, etc)
If you want to build any project using anything larger than those tiny micro turbine for sale (eg the water baby or harris turbine Co), you need this book.
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