Steam Turbine : As that steam flows through the spinning blades of the turbine, the steam expands and cools. The potential energy of steam is thus converted into kinetic energy in the blades of a rotating turbine. Since steam turbines generate rotary motion, they are particularly suitable for driving electric generators to produce electrical energy.
Turbines are connected to generators with an axle, which in turn generates energy through a magnetic field that generates an electric current. In the previous sections, we gave you examples of steams engine, which shows you the role of steams in steams engine.
But there are differences between the performances of steams engines and today’s steam turbines that define how a steam turbine works. In simple words, a steam turbine works by using heat sources such as gas, coal, nuclear, or solars to heat waters to extremely high temperatures until it is converted into steam.
As that steam flows through the spinning blades of the turbine, the steam expands & cools. The potentials energy of steams is thus converted into kinetic energy in the blades of the rotating turbine. Since steam turbines generate rotary motion, they are particularly suitable for driving electric generators to produce electrical energy .
The First Steam Turbine
The first modern steam turbine was developed by Sir Charles A. Parsons in 1884. This turbine was used for lighting an exhibition in Newcastle, England and produced merely 7.5 KW of energy. Now, steam turbine generators can produce over 1,000 MW of energy in large-scale power plants. While generation capacity has increased immensely since Parsons, the design has remained the same. But, as intuitive as Parsons’ design is, it isn’t as simple as steam moving across blades. It was based on the Second Law of Thermodynamics and Carnot’s Theorem (), which claims that with greater steam temperature comes greater power plant efficiency. Let’s dive into how steam helps power most
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