Wind Energy

5 Main Renewable Energy Sources, you must know about

#EngineeringHub #energysources
Energy means the power to do work. A human body needs the energy to do work so the machines also.

Hence you can say power is nothing but the rate of flow of energy. We need the power to drive our machines, tools, appliances and also engineering utilities.

The geothermal energy has its own limitations so; you have to find out new sources.

In every era, man has been striving to explore more and more sources available in nature. Till date, our scientist and engineers are trying to develop new sources.

So, Below are the Most Important Natural Energy Sources
01) Hydraulic Energy
Water will possess potential energy is available at a certain height. So, many hydroelectric power stations are the best examples of this type of source.

So, this is converted into kinetic energy by bringing water to lower level. Water turbine will convert this into Mechanical. Hence, we know this as hydroelectric energy.

02) Solar Energy / Solar POwer
In a tropical climate solar rays have been used directly for the generation of power. This is done by employing a parabolic mirror to concentrate the rays on to a boiler or the cylinder of hot air engine.

Fuel stock will be consumed rapidly and it will available for next 200 years or so, to meet this challenge solar is the best alternative we have.

04) Fuels
They exist in the form of

A) Solid
B) Liquid
C) Gaseous
The chemical energy which fuel contains is being transferred into heat energy by their combustion. The heat can further be converted into another form by a thermal prime mover. Hence we may call it as thermal energy.

05) Wind Energy / Wind Power
Unequal heating of the atmosphere by the sun produces air currents which when deflected through an angle produces a force.

This force had been used to drive the windmill to produce electric power.

06) Nuclear Energy
This is the recent discovery and also one of the outstanding achievements of mankind. In 1938 Hann and Strassman separated the uranium atom successfully by nuclear fission.

Fission of heavy nuclei is an exothermic process. In which an enormous amount of heat is liberated.

This heat produced by nuclear fission hence utilized by special heat exchangers for the generation of steam which is used to drive turbo generators to generate power.

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