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The runner of the small water turbine. A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now, they are mostly used for electric power generation.
The Gorlov helical turbine (GHT) is a water turbine evolved from the Darrieus turbine design by altering it to have helical blades/foils. Water turbines take kinetic energy and translate it into electricity. It was patented in a series of patents from September 19, 1995 [1] to July 3, 2001 [2] and won 2001 ASME Thomas A. Edison.
The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. [1] The process of arriving at the modern Francis runner design took from 1848 to approximately 1920. [1]
Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. The power extracted from the water depends on the volume and on the difference in height between the source and the water's outflow. This height difference is called the head. A large pipe (the "penstock") delivers water from the ...
Between 2004 and 2010, [1] Lodewyk Botha and Marek Sredzki developed an inflow turbine that captures water's potential energy in addition to its kinetic energy. Principal patents [2] [3] for the technology were registered and published between 2005 and 2011. The first full-scale water wall turbine project was completed in 2016 by Water Wall ...
A Bonneville Dam Kaplan turbine after 61 years of service. The Kaplan turbine is a propeller-type water turbine which has adjustable blades. It was developed in 1913 by Austrian professor Viktor Kaplan, [1] who combined automatically adjusted propeller blades with automatically adjusted wicket gates to achieve efficiency over a wide range of flow and water level.
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Different turbine inclinations are possible. Water is fed to the Steffturbine through an inlet channel. The inflow of water loads the paddles. The power thus exerted onto the paddles causes the chain, which is mounted to run on roller bearings, to move. In turn, the circulating chain imparts a rotational motion to the drive wheels.
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