Learn how and when to remove this template message Faraday disc The first homopolar generator was developed by Michael Faraday during his experiments in It is frequently called the Faraday disc or Faraday wheel in his honor. It was the beginning of modern dynamos — that is, electrical generators which operate using a magnetic field. It was very inefficient and was not used as a practical power source, but it showed the possibility of generating electric power using magnetism, and led the way for commutated direct current dynamos and then alternating current alternators. The Faraday disc was primarily inefficient due to counterflows of current.
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Kazishicage How can the back torque or armature reaction be diminished or counteracted? Home Contact Us Help Free delivery worldwide. He is a Consulting Fellow of the World Innovation Foundation and has several books and articles in print.
What does the torque push against when the hadbook spins with the disk? Visit our Beautiful Books page and find lovely books for kids, photography lovers and more. Homopolar Handbook : Thomas Valone : User Review — Flag as inappropriate I would recommend this book for anyone who wants to build homkpolar one-piece Faraday unipolar or homopolar generator.
Thomas Valone is an engineering physicist with 25 years of experience in emerging energy sciences. Account Options Sign in. Selected pages Title Page. These and other burning questions are answered in the only book of its kind on the subject of homopoolar generators. We can notify you when this item is back in stock.
The Stelle Homopolar Machine. He also includes the work of others, such as the Stelle group and Bruce DePalma. What does the torque push against when the magnet spins with the disk? These and other burning questions are answered in the only book of its kind on the subject of homopolar generators. In his tests, he maximizes the magnetic flux density at the co-rotating copper disk, although he shows the flux in the remaining circuit is important.
Tom discussed the the theory and homopo,ar range of issues from special relativity to brush resistance, as well as detailed descriptions of the tests he did with the generators he built, including measurements of efficiency, net power output and back torque.
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The Homopolar Handbook