Help us to make future videos for you. Make LE's efforts sustainable. Please support us at Patreon.com ! https://www.patreon.com/LearnEngineering Working of Francis turbine is explained in this video in a step by step logical manner, with help of animation. Francis turbines are the most commonly used Hydro turbines. Here importance of turbine runner, runner blade shape, spiral casing and draft tube are explained.