Energy Transformation Example
Physics / / July 04, 2021
Energy is the ability to do work. In the world there are various manifestations of energy, such as Wind Energy, Chemical Energy, Thermal Energy, Electric Energy, Mechanical Energy; but not all of them come naturally or spontaneously so that we can use them. It is necessary that a transformation of the energies that are within reach takes place, in order to have the one that will carry out the work that must be done.
The Energies that are usually within our reach, or that are the result of the action of natural phenomena, are Wind Energy, Chemical Energy, Thermal Energy, for example. From them, it is possible to obtain Mechanical, Electrical Energy and even an increase in the existing Thermal.
Examples of Energy Transformation
A study about the connections between the different types of Energy is essential to predict which one will be useful for a certain stage of the process to be consolidated. Examples of the sequences that Energies can present when involved in work will be explained below.
Operation of a Car
Everything begins in the Battery, which contains an electrolytic solution, which with Chemical Energy generates ions prepared to sustain a flow of Electric Energy. Turning the key in the cab starts the power supply to the engine. The spark reaches the piston through the spark plug, and causes the gasoline to react, generating the outbreak of combustion, and this in turn, the movement of the piston upwards; in the end, the last one is dragged down again with the Mechanical Energy of the other pistons that are going through the same process. This cycle generates the power to communicate Mechanical Energy from the engine to the tires.
The sequence is described as: Chemical Energy -> Electric Energy -> Mechanical Energy, taking into account the corresponding action sites: Battery -> Spark plug -> Engine, Tires.
Obtaining Electricity with a Wind Farm
In an area of several hectares (a hectare is a square area defined by sides of one hundred meters), the elements of a wind field are installed, which are masts with a propeller at the top, positioned with the proper orientation to optimally receive the force of the currents of air. The propellers rotate due to the impact of the wind, and thus a winding is made to revolutionize in the vicinity of a stator, generating a flux of electrons between the two, which will be stored as Electric Energy, to supply a Rural Community, as it is in most of the cases. If a stable or a field is the main beneficiary of this energy, it is possible to activate the machinery that prepares the raw material or the finished product.
The sequence is described as: Wind Energy -> Mechanical Energy -> Electric Energy -> Energy Mechanics, taking into account the corresponding action sites: Wind -> Propeller -> Stator -> Machinery.
Movement of a Turbine in a Thermoelectric Power Plant
The process of a Thermoelectric Power Plant uses a wide range of Energies for its operation. The example that uses fuel oil as a fuel for steam generation will be used as an example. It begins with the heating of the fuel oil, vaporizing it enough to make it burn. Here the Thermal Energy is involved as initiator; then the Chemical Energy is activated during combustion, and at the end the Thermal Energy arises again to a greater extent, now with the contribution of Fuel Oil. Such energy heats the water in the boiler, to generate superheated steam that will come out at a sufficient pressure that will support the movement of the plant's turbines. Here Mechanical Energy intervenes. The turbines will provide their movement to the electric power generators, which is the finished product.
The sequence is described as: Thermal Energy -> Chemical Energy -> Thermal Energy -> Mechanical Energy -> Energy Electrical, taking into account the corresponding action sites: Heat source -> Fuel oil -> Boiler -> Turbine -> Generators
Operation of a Blender
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In a blender, the participation of the Electric Energy that feeds it for its activation is appreciated, and that is transformed into Mechanical Energy through the mechanism that rotates the blades.
The sequence is described as: Electric Power -> Mechanical Power, taking into account the corresponding action sites: Plug -> Blades.
Harvesting energy in solar panels
Solar panels, which are one of the most innovative agents for energy transformation, are responsible for capturing the Radiant Energy of the Sun, translating it into a generation of Electric Power in all its composition, to supply an industrial warehouse, an office building or a home perfectly. Depending on the energy need of the construction, it is the number of panels that are going to be installed.
The sequence is described as: Radiant Energy -> Electric Energy, taking into account the corresponding action sites: Sun, Panels -> Building.