The Jonval turbine is a horizontal waterwheel. The water descends through fixed curved guide vanes which direct the flow sideways onto curved vanes on the runner.Jonval Water Turbine. English heritage thesaurus . It is named after Feu Jonval, who invented it. The Jonval incorporated ideas from European mathematicians and engineers, including the use of curved blades.Huge Gears, Silent 94 Years, Get New Duties: Telling the Tale of How Humans Affect Nature This new turbine failed to satisfy the public interest in seeing the water wheels in action, which was likely accepted as a minor drawback at that time.
